RETEVIS RT628S Walkie Talkies for Kids User Manual

RETEVIS RT628S Walkie Talkies for Kids

Product Information

• Specifications
  • Product Name: Wireless Radio RT628S
  • Model: EN(01~12)
  • Power Source: 3 x AA alkaline batteries (can be replaced with NI-MH battery)
  • Volume Levels: 1-16
• Key Functions
  • PTT: Push-to-talk button
  • Menu/Power Key: Access menu and power on/off the device
  • SCAN/UP Key: Scan channels or increase volume
  • Speaker: Output audio
  • Accessories/Charging Jack: Connect accessories or charge the device
  • LCD Display: Display information and function icons
  • Safe Mode Key: Enable/disable safe mode
  • Call Tone/Key Lock: Activate call tone or lock/unlock device settings
  • Monitor/DOWN Key: Monitor channel or decrease volume
  • Microphone: Input audio
  • Antenna: Transmit and receive signals
• Display Icon Instructions
  • Battery Indicate: Indicates battery power level
  • Key Lock: Indicates whether key lock is enabled or disabled
  • Roger Beep: Indicates roger beep function status
  • Scan: Indicates scan function status
  • Channel Number: Displays the current channel number
  • Call Tone: Indicates call tone function status
  • CTCSS/DCS Code: Displays the current CTCSS/DCS code
  • Power Transmitting/Receiving: Indicates power transmitting/receiving status
  • VOX: Indicates VOX (voice-activated transmission) function status
• Battery Installation and Function
  • Place the back of the device towards you and locate the hidden buckle to turn on/off the battery cover.
  • Install 3 x AA alkaline batteries as shown inside the battery case.
  • Reinstall the battery cover and lock it down. The batteries can be replaced with NI-MH batteries.
• Battery Power Measurement
  • The battery capacity is indicated by the battery icon on the display. When the battery icon shows full, the battery power is high. When the battery icon displays 1 grid, the device is in low battery mode and emits a low battery warning sound.
• Note:
  • Take out the battery from the radio if not using it for an extended period to prevent corrosion damage.
  • Do not mix old/new or alkaline/NI-MH batteries together.
  • Charge the provided NI-MH battery every 3 months when not using the radio.
• Turn ON/OFF the Device
  • After installing the batteries, the device is turned on automatically and displays all function icons briefly on the LCD.
  • It then shows the available channel and CTCSS/DCS. Press the Power key to turn off the radio.
• Set Volume
  • Press the UP key to increase the volume.
  • Press the DOWN key to decrease the volume.
  • The volume level is indicated by the displayed number (1-16).
• Set Channel
  • Shortly press the Menu key and the current channel number will flash on the display.
  • Press the UP key or DOWN key to choose the desired channel number.
  • Press the PTT key to confirm and save the channel settings.
• Communication
  • To communicate with other devices, ensure that all devices in the group are set to the same channel number and CTCSS/DCS code.
  • When transmitting, keep a distance of 2-3 inches between the device and your mouth. Press the PTT key to talk and release it to receive.
• Featured Functions
  • TOT (Time-Out Timer) To prevent accidental transmission or occupying a channel for a long time, if you press the PTT key continuously for 60 seconds, the device will emit a continuous warning tone and stop transmitting.
• Key Lock
  • To prevent accidentally changing the settings of the radio, press and hold the CALL/Key Lock button for 3 seconds or until the key lock icon is displayed. When locked, you can still turn on/off the radio, adjust the volume, receive/transmit calls, and monitor channels. Other functions are locked.
  • To unlock the device, press and hold the CALL/Key Lock button for 3 seconds or until the key lock icon disappears.
• Scan Channel
  • Use the scan function to monitor the receiving of a channel or find people who accidentally change the channel in your group.
  • Press and hold the SCAN key for 3 seconds and the scan icon will appear on the display. The radio will start scanning for channel activities. When a transmission is detected, you will hear the receiving.
  • To answer the transmission, press the PTT key within 5 seconds and the channel will be confirmed.
• FAQ
  • Q: What type of batteries does the Wireless Radio RT628S use?
  • A: The Wireless Radio RT628S uses 3 x AA alkaline batteries. However, you can also replace them with NI-MH batteries.
  • Q: How often should I charge the provided NI-MH battery if I’m not using the radio?
  • A: It is recommended to charge the provided NI-MH battery every 3 months when not using the radio.
  • Q: How can I lock/unlock the device to prevent accidental settings changes?
  • A: To lock the device, press and hold the CALL/Key Lock button for 3 seconds or until the key lock icon is displayed. To unlock, press and hold the CALL/Key Lock button again until the key lock icon disappears.

Key Functions

1. PTT
2. Menu/Power Key
3. SCAN/UP Key
4. Speaker
5. Accessories/Charging Jack
6. LCD Display
7. Safe Mode Key
8. Call Tone/Key Lock
9. Monitor/DOWN Key
10. Microphone
11. Antenna

Display Icon Instructions

Battery Installation

Battery Installation and Function

Your device uses 3 x AA alkaline batteries.

1. Place the back of the device to you, there is a hidden buckle to turn on/off the battery cover.
2. Install 3 x AA alkaline batteries as shown inside the battery case.
3. Reinstall the battery cover and lock it down, the batteries can be replaced with NI-MH batteries.

Battery Power Measurement

• The battery capacity is full, the battery power is high .
• When the battery displays 1 grid, the device is in low battery mode and makes a low battery warning in the form of a prompt.

Note:
Take out the battery from the radio to save it. The battery may become corrosion over time and do the forever damage to your device.

• Don’t mix the old/new/alkaline/ NI-MH batteries together to use.
• Charge the provided NI-MH battery every 3 months when not using the radio.

Turn ON/OFF the Device

After installing the batteries, the device is turned on and has a prompt. The LCD display will briefly display all function icons, then it will display the available channel and CTCSS/DCS. Press the Power key, the radio is turned off.

Set Volume

• Press UP key to increase the volume.
• Press the DOWN key to decrease the volume.
• The magnitude of the volume is indicated by the displayed numbers 1-16.

Set Channel

1. Shortly press the Menu key and the current channel flashes.
2. Press the UP key or DOWN key to choose the channel number.
3. Press the PTT key to confirm and save channel settings.

Communication

• When communicating, all the devices of the group set the same channel number and CTCSS/DCS code;
• When Nyou start to communicate, please keep 2-3inch between the device and the mouth. Press the PTT key to talk.
• When you finish talking, release the PTT key. (Press the key to transmit, and release the key to receive).

Featured Function

CTCSS/DCS Code
The distribution of the CTCSS/DCS code can decrease the interference between radios, but radios can’t communicate with each other with different CTCSS/DCS codes. To ensure your private communication, each channel has 0-121 CTCSS/DCS codes to be set.

1. Shortly press the NENU/Power key twice or until the CTCSS/DCS code starts to flash.
2. Press the UP key or DOWN key to choose code 0-121 or 121-0.
3. Press the PTT key to save code settings.
   • You can use the procedure to set different CTCSS/DCS codes for each channel.
   • Note: if you want to communicate with the other device without setting CTCSS/DCS codes, you must set your CTCSS/DCS code to 0.

TOT

• To prevent accidental transmission or occupying the channel for a long time, if you press the PTT key to continuously transmit for the 60s, the device will make a continuous warning tone and stop transmitting.

Key Lock

• To prevent accidentally changing the setting of the radio, press the CALL/Key Lock for 3s or until the key lock icon is displayed. At this time, you can turn on/off the radio, adjust the volume, receive, transmit, transmit call tone and monitor the channel. But other functions are locked.
• To unlock the device, press the CALL/Key Lock for 3s or until the key lock icon is not displayed.

Scan Channel

• Use scan to monitor the reeving of the channel or find the people who accidentally change the channel in your group.
• Press the SCAN key for 3s and the scan icon appears, and the radio starts to scan.
• When detecting the channel activities, you can hear the receiving. To answer, press the PTT key in 5s and the channel will be confirmed.

Enter the Scan Again

• If the scan stops on the unwanted channel, press the SCAN key, and the scan restores and enters the next effective channel scan.

Set and Send Call Tone

• Your device can send different call tones to other devices in your group to remind the people you want to communicate.

Set Call Tone

1. Press the MENU key until the call tone number flashes.
2. Press the UP key or DOWN key to choose the needed call tone.
3. Press the PTT key to confirm the selected call tone.
   • Send to call tone other devices, the device needs to set the same channel and CTCSS/DCS codes as yours, then press the call tone key to call.
   • Note: the call tone is set to 0, all call tones are ineffective.

VOX Function

• The VOX function allows the user to start transmitting towards the microphone without pressing the PTT key.
• To turn on the VOX function, press the MENU key until the VOX icon appears, and the current setting flashes (OF,1,2,3).
• Press the UP key or DOWN key to choose OFF or sensitivity level.
• Press the PTT key to choose the new level.

L3 = High sensitivity

L2 = Middle sensitivity
L1 = Low sensitivity
L0 = Turn off the VOX function

Set Dual Standby Channel

1. Press the MENU key until the CH icon appears and the current setting flashes (OF, 1-21).
2. Press the UP key or DOWN key to choose the monitor channel.
3. Press the PTT key to save the dual channel settings.
4. Two channels display alternatively.

Check Channel Before Transmitting

• Your device has 21 channels and they display with the cyclic method. To achieve uninterrupted communication, please don’t communicate on the channel if other people are communicating on that channel.
• To check channel activities before communication, long press the MON/DOWN key, the channel can be used if you listen to the white noise.

Set Squelch Level

1. Press the MENU key until the SQL icon appears, and the current level number will flash (1-6).
2. Press the UP key or DOWN key to choose the needed squelch level: 01=high receive sensitivity, 02-05=middle receive sensitivity, 06=low receive sensitivity

Set Transmitting Power

1. Press the MENU key until the PR icon appears. The current setting power level flashes (HI or LO).
2. Press the UP key or DOWN key to choose high/low power.
3. Press the PTT key to save the new setting of the transmitting power and the corresponding power icon displays.

Set Safe Mode

• Press the SAFE-M key for 3s until the SF icon appears, and the device enters the safe mode. Press the SAFE-M
• key for 3s again, the device exits the safe mode.
  • Note: in the safe mode, other functions can’t be used except the PTT function and volume adjustment.

Frequency List

This FRS device is approved for USA

Channel| Frequency (MHz)| Max Power Out put| Channel| Frequency (MHz)| Max Power Out put
1| 462.5625| 1W| 12| 467.6625| 0.5W
2| 462.5875| 1W| 13| 467.6875| 0.5W
3| 462.6125| 1W| 14| 467.7125| 0.5W
4| 462.6375| 1W| 15| 462.5500| 1W
5| 462.6625| 1W| 16| 462.5750| 1W
6| 462.6875| 1W| 17| 462.6000| 1W
7| 462.7125| 1W| 18| 462.6250| 1W
8| 467.5625| 0.5W| 19| 462.6500| 1W
9| 467.5875| 0.5W| 20| 462.6750| 1W
10| 467.6125| 0.5W| 21| 462.7000| 1W
11| 467.6375| 0.5W| 22| 462.7250| 1W

CTCSS 38

EXPOSURE AND PRODUCT

RF ENERGY EXPOSURE AND PRODUCT SAFETY GUIDE FOR TWO-WAY RADIOS

ATTENSION: Before using this radio, read this guide which contains important operating instructions for safe usage and RF energy awareness and control for compliance with applicable standards and regulations.

• User instructions should accompany the device when transferred to other users.
• Do not use this device if the operational requirements described herein are not met.
• This two-way radio uses electromagnetic energy in the radio frequency (RF) spectrum to provide communications between two or more users over a distance.
• RF energy, which when used improperly, can cause biological damage.

All Retevis two-way radios are designed, manufactured, and tested to ensure they meet government-established RF exposure levels. In addition, manufacturers also recommend specific operating instructions to users of two- way radios. These instructions are important because they inform users of RF energy exposure and provide simple procedures on how to control it. Please refer to the following websites for more information on what RF energy exposure is and how to control your exposure to ensure compliance with established RF exposure limits: http://www.who.int/en/. When two-way radios are used as a consequence of employment, the Local Government Regulations require users to be fully aware of and able to control their exposure to meet occupational requirements. Exposure awareness can be facilitated by the use of a product label directing users to specific user awareness information. Your Retevis two-way radio has an RF Exposure Product Label. Also, your Retevis user manual, or separate safety booklet includes information and operating instructions required to control your RF exposure and to satisfy compliance requirements.

Radio License(only applicable to licensed radio)

• Governments keep the radios in classification, business two-way radios operate on radio frequencies that are regulated by the local radio management departments (FCC, ISED, OFCOM, ANFR, BFTK, Bundesnetzagentur…).
• To transmit on these frequencies, you are required to have a license issued by them.
• The detailed classification and the use of your two radios, please contact the local government radio management departments.
• Use of this radio outside the country where it was intended to be distributed is subject to government regulations and may be prohibited.

Unauthorized modification and adjustment

• Changes or modifications not expressly approved by the party responsible for compliance may void the user’s authority granted by the local government radio management departments to operate this radio and should not be made.
• To comply with the corresponding requirements, transmitter adjustments should be made only by or under the supervision of a person certified as technically qualified to perform transmitter maintenance and repairs in the private land mobile and fixed services as certified by an organization representative of the user of those services.
• Replacement of any transmitter component (crystal, semiconductor, etc.) not authorized by the local government radio management department equipment authorization for this radio could violate the rules.

FCC Requirements:

• This device complies with part 15 of the FCC Rules. Operation is subject to the condition that this device does ot cause harmful interference. (Licensed radios are applicable);
• This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (Other devices are applicable)

1. This device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.

(Only Applicable to GMRS radio station):
A valid individual license is required to operate a GMRS station. To obtain an individual license, an applicant must be eligible and follow the applicable rules and procedures established by FCC. The applicant must pay the required application and regulatory fees. Each individual license in the GMRS will normally have a term of ten years from the date of grant or renewal and may be renewed pursuant to the procedures of the FCC. To obtain a GMRS operator license, you need FCC Form 605 & 159, we suggest visiting the FCC website at https://www.fcc.gov/wireless/support/fcc-form-605, which includes necessary instructions. For more questions about the license application, please contact the FCC at 1-888-225-5322 or go to the FCC’s website: http://www.fcc.gov.
According to FCC rules, any individual who holds an individual license may allow his or her immediate family members to operate his or her GMRS station or stations. Immediate family members are the licensee’s spouse, children, grandchildren, stepchildren, parents, grandparents, stepparents, brothers, sisters, aunts, uncles, nieces, nephews, and in-laws. (Only applicable to the industrial environment)This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. (Only applicable to home)This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

CE Requirements:
(Simple EU declaration of conformity) Shenzhen Retevis Technology Co., Ltd. declares that the radio equipment type is in compliance with the essential requirements and other relevant provisions of RED Directive 2014/53/EU and the ROHS Directive 2011/65/EU and the WEEE Directive 2012/19/EU; the full text of the EU declaration of conformity is available at the following internet address: www.retevis.com.
Restriction Information

• This product can be used in EU countries and regions, including Belgium (BE), Bulgaria (BG), Czech Republic
• (CZ), Denmark (DK), Germany (DE), Estonia (EE), Ireland (IE), Greece (EL), Spain (ES), France (FR), Croatia
• (HR), Italy (IT), Cyprus (CY), Latvia (LV), Lithuania (LT), Luxembourg (LU), Hungary (HU), Malta (MT),
• Netherlands (NL), Austria (AT), Poland (PL), Portugal (PT), Romania (RO), Slovenia (SI), Slovakia (SK),
• Finland (FI), Sweden (SE) and United Kingdom (UK).
• For the warning information of the frequency restriction, please refer to the package.

Disposal

• The crossed-out wheeled bin symbol on your product, literature, or packaging reminds you that in European Union, all electrical and electronic products, batteries, and accumulators (rechargeable batteries) must be taken to designated collection locations at the end of their working life.
• Do not dispose of these products as unsorted municipal waste. Dispose of them according to the laws in your area.

IC Requirements

Licence-exempt radio apparatus

• This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and

Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions:

1. This device may not cause interference.
2. This device must accept any interference, including interference that may cause undesired operation of the device.

RF Exposure Compliance and Control Guidelines and Operating Instructions

• Occupational/Controlled Radio, this radio is designed for and classified as “Occupational/Controlled Use Only”, meaning it must be used only during the course of employment by individuals aware of the hazards, and the ways to minimize such hazards; NOT intended for use in a General population/uncontrolled environment.
• General population/uncontrolled Radio, this radio is designed for and classified as “General population/uncontrolled Use”.
• To control your exposure and ensure compliance with the occupational/controlled environment exposure limits, always adhere to the following procedures. When operating in front of the face, worn on the body, always place the radio in a Retevis-approved clip, holder, holster, case, or body harness for this product. Using approved body-worn accessories is important because the use of Non-Retevis approved accessories may result in exposure levels, which exceed the IEEE/ICNIRP RF exposure limits.
• Transmit no more than the rated duty factor of 50% of the time. To Transmit (Talk), push the Push to Talk (PTT) button. To receive calls (listen), release the PTT button. Transmitting necessary information or less, is important because the radio generates measurable RF energy exposure only when transmitting in terms of measuring for standards compliance.
• DO NOT operate the radio without a proper antenna attached, as this may damage the radio and may also cause you to exceed RF exposure limits. A proper antenna is the antenna supplied with this radio by the manufacturer or an antenna specifically authorized by the manufacturer for use with this radio, and the antenna gain shall not exceed the specified gain by the manufacturer declared.
• DO NOT transmit for more than 50% of total radio use time, more than 50% of the time can cause RF exposure compliance requirements to be exceeded.
• During transmissions, your radio generates RF energy that can possibly cause interference with other devices or systems. To avoid such interference, turn off the radio in areas where signs are posted to do so.
• DO NOT operate the transmitter in areas that are sensitive to electromagnetic radiation such as hospitals, aircraft, and blasting sites.
• Portable Device, this transmitter may operate with the antenna(s) documented in this filing in Push-to-Talk and body-worn configurations. RF exposure compliance is limited to the specific belt-clip and accessory configurations as documented in this filing and the separation distance between the head and the device or its antenna shall be at least 2.5 cm.
• In Mobile Device, during operation, the separation distance between the user and the antenna is subject to actual regulations, this separation distance will ensure that there is sufficient distance from a properly installed externally-mounted antenna to satisfy the RF exposure requirements.
• Transmit only when people outside the vehicle are at least the recommended minimum lateral distance away from a properly installed according to installation instructions, externally mounted antenna.

Hand-held Mode(if applicable)

• Hold the radio in a vertical position with the microphone (and other parts of the radio including the antenna) at least 2.5 cm (one inch) away from the nose or lips.
• The antenna should be kept away from the eyes. Keeping the radio at a proper distance is important as RF exposure decreases with increasing distance from the antenna.

Phone Mode(if applicable)

• When placing or receiving a phone call, hold your radio product as you would a wireless telephone. Speak directly into the microphone. Do not use the equipment when you are driving

Electromagnetic Interference/Compatibility

• NOTE: Nearly every electronic device is susceptible to electromagnetic interference (EMI) if inadequately shielded, designed, or otherwise configured for electromagnetic compatibility

Avoid Choking Hazard

• Small Parts. Not for children under 3 years.

Turn off your radio power in the following conditions:

• Turn off your radio before removing (installing) a battery or accessory or when charging the battery.
• Turn off your radio when you are in a potentially hazardous environment: Near electrical blasting caps, in a blasting area, or in explosive atmospheres (inflammable gas, dust particles, metallic powders, grain powders, etc.).
• Turn off your radio while taking on fuel or while parked at gasoline service stations.
• To avoid electromagnetic interference and/or compatibility conflicts
• Turn off your radio in any facility where posted notices instruct you to do so, hospitals or health care facilities (Pacemakers, Hearing Aids and Other Medical Devices) may be using equipment that is sensitive to external RF energy.
• Turn off your radio when on board an aircraft. Any use of a radio must be in accordance with applicable regulations per airline crew instructions.

Protect your hearing:

• Use the lowest volume necessary to do your job.
• Turn up the volume only if you are in noisy surroundings.
• Turn down the volume before adding a headset or earpiece.
• Limit the amount of time you use headsets or earpieces at high volume.
• When using the radio without a headset or earpiece, do not place the radio’s speaker directly against your ear
• Use carefully with the earphones may be possible excessive sound pressure from earphones and headphones can cause hearing loss
  • Note: Exposure to loud noises from any source for extended periods of time may temporarily or permanently affect your hearing.
• The louder the radio’s volume, the less time is required before your hearing could be affected. Hearing damage from loud noise is sometimes undetectable at first and can have a cumulative effect.

Avoid Burns

• Antennas
  • Do not use any portable radio that has a damaged antenna. If a damaged antenna comes into contact with the skin when the radio is in use, a minor burn can result.
• Batteries (If appropriate)
  • When conductive material such as jewellery, keys or chains touch exposed terminals of the batteries, may complete an electrical circuit (short circuit the battery) and become hot to cause bodily injury such as burns.
  • Exercise care in handling any battery, particularly when placing it inside a pocket, purse or other container with metal objects
• BATTERY WARNING: KEEP OUT OF REACH OF CHILDREN
  • Store spare batteries securely
  • If the battery compartment (if applicable) does not close securely, stop using the product and keep it away from children
  • If you think batteries might have been swallowed or placed inside any part of the body, seek immediate medical attention
  • Dispose of used batteries immediately and safely
• Long transmission
  • When the transceiver is used for long transmissions, the radiator and chassis will become hot.

Safety Operation

• Forbid
  • Do not use the charger outdoors or in moist environments, use only in dry locations/conditions.
  • Do not disassemble the charger, which may result in a risk of electrical shock or fire.
  • Do not operate the charger if it has been broken or damaged in any way.
  • Do not place a portable radio in the area over an air bag or in the airbag deployment area.
  • The radio may be propelled with great force and cause serious injury to occupants of the vehicle when the air bag inflates.
• To reduce risk
  • Pull by the plug rather than the cord when disconnecting the charger.
  • Unplug the charger from the AC outlet before attempting any maintenance or cleaning.
  • Contact Retevis for assistance regarding repairs and service.
  • The adapter shall be installed near the equipment and shall be easily accessible
• Approved Accessories
  • This radio meets the RF exposure guidelines when used with the Retevis accessories supplied or designated for the product.
  • Use of other accessories may not ensure compliance with the RF exposure guidelines and may violate regulations.
  • For a list of Retevis-approved accessories for your radio model, visit the following website: http://www.Retevis.com.
• For downloading further resources:
  • Brochures, Software/Firmware, Manual etc, Pls contact your direct reseller first OR go to website retevis.com and check “support” in the each product link to download it.

Guarantee

• Model Number:
• Serial Number:
• Purchasing Date:
• Dealer:
• User’s Name:
• Country:
• Post Code:
• Telephone:
• Telephone:
• Address:
• Email:

Remarks:

1. This guarantee card should be kept by the user, with no replacement if lost.
2. Most new products carry a two-year manufacturer’s warranty from the date of purchase. For further details, pls read http://www.retevis.com/after-sale/.
3. The user can get a warranty and after-sales service as below:
   • Contact the seller where you buy.
   • Products Repaired by Our Local Repair Center
4. For warranty service, you will need to provide a receipt proof of purchase from the actual seller for verification

Exclusions from Warranty Coverage:

1. To any product damaged by accident.
2. In the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs.
3. If the serial number has been altered, defaced, or removed.

CONTACT

• Shenzhen Retevis Technology Co., Ltd.
• Web:www.retevis.com.
• 7/F, 13-C, Zhonghaixin Science&Technology Park, No.12 Ganli
• E-mail:kam@retevis.com.
• Facebook:facebook.com/retevis.
• 6th Road, Jihua Street, Longgang District, Shenzhen, China

References

• RETEVIS - We are together
• Retevis.com After-sale service
• World Health Organization (WHO)
• FCC Form 605 | Federal Communications Commission

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