RETEVIS RB17P Two Way Radio User Manual

June 6, 2024
RETEVIS

RB17P
Two Way Radio
User’s Manual 

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 each product link to download it.

Unpack and check the device

Please take the walkie-talkie out of the package carefully. We recommend that check all the accessories as the below table list before you discard the package. If you find any accessories is missing or damaged, please contact your local seller.

Accessories

Item Quantity
Antenna 1
Sling 1
Belt Clip 1
Charger 1
Battery 1
Manual 1

Charging battery

Please use the specified charger to charge the battery: the indicator light of the charger can show the charging status.

Charging status Indicator Show
Battery charging mode The Red Light is on
Full battery The Green Light is on

About Radio

The parts of the radio
1. PTT Button:
A: Press PTT can talk
2.Programmable Side button
A :Set as the CTCSS/DCS menu: Short press will switch: OFF -> CTCSS -> DCS N -> DCS I -> OFF
B :Short press activate the function you set.Optional Function: scan, vox, sub-channel transmit, NOAA, Monitor(Cancel squelch) ;
C :Long press activate Monitor Function (Cancel squelch )
3. Antenna
A: Receive and transmit signal
4. Alarm button
A: In the standby state, press this top Alarm button to activate the Alarm. The Alarm mode can be programmed by its software. (local or local+ remote)
B: When an alarm is on. No key operation will work. After sending the alarm bell for the 20s, standby 10s and repeat again and again.
C: Press the PTT button to exit the alarm
5. Speaker
A: Output Audio
6. Menu button
A: Press will into Menu setting
7. Up
A: In the programming setting, press the up button.
B: In channel mode standby, switch scan direction in scan mode.
C: Long press to achieve quick rollover
8. Confirm Button
A: In menu operation, short press to confirm;
B: In standby, long press to open or close the keyboard lock.
9. Down
A: In the programming setting, press the down button.
B: In channel mode standby, switch scan direction in scan mode.
C: Long press to achieve quick rollover
10. Back Butto n
A: Short press during menu operation to return to the previous level, short press during standby to switch the main frequency to A or B;
B: Long press to start scanning; Activate NOAA channel scan when NOAA is on. When NOAA is off or on standby, press to activate radio scan.
11. Status indicator
A: The red light is on when transmitting, and the green light is on when receiving.
12. Power/volume switch
A: Turn on or off the walkie-talkie/ Adjust the volume of the walkie-talkie.
13. MIC/SP jack
A: It is used for external earphones, and can also be connected to the programming cable to program your radio
14. Battery pack
A: Supply power for your walkie talkie

LCD Display

No. Icon Describe
1 Sav1: 4 Save Mode 1:4
2 KeyTone
3 Battery status
4 CTC CTCSS/DCS
5 N Narrowband
6 **** Companding function
7 462.61250 A band working frequency
8 033/044 Current Channel Number
9 H High power
10 MAIN Current working Channel
11 462.63750 B band working frequency
6 NOAA
7 **** Keypad Lockout
8 MENU Menu
9 A/B A/B band switch

Basic Operations

  1.  Power On :
    A: When the radio is off, turn the power/volume switch knob clockwise to power on the walkie-talkie.

  2. Power off:
    A: In the power-on state, turn the power/volume switch knob counterclockwise to power off.

  3. Adjust the volume
    A: When turned on, turn the power/volume switch knob clockwise to increase the volume; turn the power/volume switch knob counterclockwise to decrease the volume.

Functions and Operation

A: In standby, press the button into the menu; the LCD display shows menu introduction and settings.
B: Press button choose the menu you want, press to confirm into setting
C: Press button to choose the setting you want, press to confirm your setting.
D: Press the button to exit the menu.

Battery

A: When the battery is fully charged, the green battery icon will be displayed on the upper right corner of the LCD display
B: When the battery is low, the battery is marked yellow.
C: When the battery is low power, the battery is marked with red; and the red flashed and voice prompts: “low power”
D: When the battery is about to run out, the radio will automatically shut down. The LCD display will show: “please charge!” before shutting down.

NOAA function

A: When activating the NOAA, the squelch is also turned on. The state will be maintained for 300 seconds(5 minutes) to return back to Channel Mode.
B: In NOAA working mode, radio can’t receive and transmit signals.
C: When the NOAA watch function is enabled: In both NOAA and channel mode, you need to receive 1050Hz signaling to enable NOAA reception, otherwise you cannot  switch to NOAA mode
D: In NOAA and Channel mode dual watch duty: At 1050Hz, it will switch to the receiving state after the “beep, beep” tone is emitted.

Squelch level

A: This function can filter out incoming signals that are not strong enough to produce clear emissions to eliminate unwanted noise.
B: Squelch level 0~9 can be selected, under normal circumstances, the default setting is: 5; users can set the appropriate squelch mode according to their needs.

CTCSS/DCS

You can set CTCSS/DCS. Select the CTCSS/DCS to encode or decode from the existing list.( For specific CTCSS/DCS value, please refer to the following CTCSS/DCS tables)
A: Decode: The walkie-talkie at the receiving end needs to decode the subtones sent by the walkie-talkie at the sending end. When the subtone set here matches the subtone from the sender, the speaker will be turned on and the voice will be output;
B: Encode: The radio at the transmitting end encodes the sub-tones before sending the voice and adds the code to the voice and sends it out through the carrier. The receiver will turn on the speaker and output the voice when it receives a match with the sub-tone set here.

Switch working channel

The current working interface can be set to different frequencies of the A/B band, and the A/B band will be standby working when the dual watch function is turned on. Press the key to switch between A/B. In the upper right corner of the current working frequency band, display.
1. Power saving mode
Enabling this function can make the walkie-talkie automatically enter the power-saving mode. The power-saving mode can extend the battery standby time, but it will also cause a delay in response time. The user can set the wake-up time ratio when the machine enters the power-saving mode. You can choose 1:4, 1:8, and off. The smaller the ratio, the more obvious the radio enters the power-saving mode. The default power-saving mode:

2. Key tone
Allow users to turn on and off the key tone through the menu. The icon is displayed when it is turned on, and it is not displayed when it is turned off.
3. Companding function
This function is an audio companding function that can improve the signal-to- noise ratio of the received audio signal, make the subject’s voice clearer and reduce background noise. Show when turned on: No icon will be displayed when turned off.

4. Power selection
Allows the user to adjust the high/low of the radio transmission power through the menu. High power display: H, low power display: L.
5. Keyboard lock
Allow users to lock the keyboard through the menu. The keyboard lock screen displays. In the keyboard lock, except PTT and side keys, no other key operations can be performed; long press to unlock and lock operations.

CTCSS Table

CTCSS

No.

| Frequency [Hz]| CTCSS

No.

| Frequency [Hz]| CTCSS

No.

| Frequency [Hz]| CTCSS

No.

| Frequency [Hz]
---|---|---|---|---|---|---|---
1| 67.0| 14| 103.5| 27| 159.8| 40| 199.5
2| 69.3| 15| 107.2| 28| 162.2| 41| 203.5
3| 71.9| 16| 110.9| 29| 165.5| 42| 206.5
4| 74.4| 17| 114.8| 30| 167.9| 43| 210.7
5| 77.0| 18| 118.8| 31| 171.3| 44| 218.1
6| 79.7| 19| 123.0| 32| 173.8| 45| 225.7
7| 82.5| 20| 127.3| 33| 177.3| 46| 229.1
8| 85.4| 21| 131.8| 34| 179.9| 47| 233.6
9| 88.5| 22| 136.5| 35| 183.5| 48| 241.8
10| 91.5| 23| 141.3| 36| 186.2| 49| 250.3
11| 94.8| 24| 146.2| 37| 189.9| 50| 254.1
12| 97.4| 25| 151.4| 38| 192.8| |
13| 100.0| 26| 156.7| 39| 196.6| |

CDCSS Standard Table

CDCSS

NO

| Encode| Decode| CDCSS

NO

| Encode| Decode| CDCSS

NO

| Encode| Decode
---|---|---|---|---|---|---|---|---
1| D023N| D023I| 29| D174N| D174I| 57| D445N| D445I
2| D025N| D025I| 30| D205N| D205I| 58| D464N| D464N
3| D026N| D026I| 31| D223N| D223I| 59| D465N| D465N
4| D031N| D031I| 32| D226N| D226I| 60| D466N| D466I
5| D032N| D032I| 33| D243N| D243I| 61| D503N| D503I
6| D043N| D043I| 34| D244N| D244I| 62| D506N| D506I
7| D047N| D047I| 35| D245N| D245I| 63| D516N| D516I
8| D051N| D051I| 36| D251N| D251I| 64| D532N| D532I
9| D054N| D054I| 37| D261N| D261I| 65| D546N| D546I
10| D065N| D065I| 38| D263N| D263I| 66| D565N| D565I
11| D071N| D071I| 39| D265N| D265I| 67| D606N| D606I
12| D072N| D072I| 40| D271N| D271I| 68| D612N| D612I
13| D073N| D073I| 41| D306N| D306I| 69| D624N| D624I
14| D074N| D074I| 42| D311N| D311I| 70| D627N| D627I
15| D114N| D114I| 43| D315N| D315I| 71| D631N| D631I
16| D115N| D115I| 44| D331N| D331I| 72| D632N| D632I
17| D116N| D116I| 45| D343N| D343I| 73| D654N| D654I
18| D125N| D125I| 46| D346N| D346I| 74| D662N| D662I
19| D131N| D131I| 47| D351N| D351I| 75| D664N| D664I
20| D132N| D132I| 48| D364N| D364I| 76| D703N| D703I
21| D134N| D134I| 49| D365N| D365I| 77| D712N| D712I
22| D143N| D143I| 50| D371N| D371I| 78| D723N| D723I
23| D152N| D152I| 51| D411N| D411I| 79| D731N| D731N
24| D155N| D155I| 52| D412N| D412I| 80| D732N| D732N
25| D156N| D156I| 53| D413N| D413I| 81| D734N| D734I
26| D162N| D162I| 54| D423N| D423I| 82| D743N| D743I
27| D165N| D165I| 55| D431N| D431I| 83| D754N| D754I
28| D172N| D172I| 56| D432N| D432I| | |

Frequency Table

Channel RX TX GMRS CTCSS/DCS
Power bandwidth
1 462.5625 462.5625 HIGH 12.5KHz
2 462.5875 462.5875 HIGH 12.5KHz
3 462.6125 462.6125 HIGH 12.5KHz
4 462.6375 462.6375 HIGH 12.5KHz
5 462.6625 462.6625 HIGH 12.5KHz
6 462.6875 462.6875 HIGH 12.5KHz
7 462.7125 462.7125 HIGH 12.5KHz
8 467.5625 467.5625 LOW 12.5KHz
9 467.5875 467.5875 LOW 12.5KHz
10 467.6125 467.6125 LOW 12.5KHz
11 467.6375 467.6375 LOW 12.5KHz
12 467.6625 467.6625 LOW 12.5KHz
13 467.6875 467.6875 LOW 12.5KHz
14 467.7125 467.7125 LOW 12.5KHz
15 462.5500 462.5500 HIGH 12.5KHz
16 462.5750 462.5750 HIGH 12.5KHz
17 462.6000 462.6000 HIGH 12.5KHz
18 462.6250 462.6250 HIGH 12.5KHz
19 462.6500 462.6500 HIGH 12.5KHz
20 462.6750 462.6750 HIGH 12.5KHz
21 462.7000 462.7000 HIGH 12.5KHz
22 462.7250 462.7250 HIGH 12.5KHz
23 467.5500 462.5500 HIGH 12.5KHz
24 467.5750 462.5750 HIGH 12.5KHz
25 467.6000 462.6000 HIGH 12.5KHz
26 467.6250 462.6250 HIGH 12.5KHz
27 467.6500 462.6500 HIGH 12.5KHz
28 467.6750 462.6750 HIGH 12.5KHz
29 467.7000 462.7000 HIGH 12.5KHz
30 467.7250 462.7250 HIGH 12.5KHz

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

ATTENTION!

| 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.
---|---

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 about 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 assure compliance with established RF exposure limits:http://www.who.int/en/
Local Government Regulations
When two-way radios are used as a consequence of employment, the Local Government Regulations requires 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
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. For 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 departments 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 not 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.
NOTE:

  • 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.
  • 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 receiver.
    —Connect the equipment into 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 or manual section.

  • ****Disposal The crossed-out wheeled bin symbol on your product, literature, or packaging reminds you that in the 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:
License-exempt radio apparatus
This device contains license-exempt transmitter(s)/receiver(s) that comply with Innovation, Science, and Economic Development Canada’s license-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 Information

  • 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 an 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 user and the device or its antenna shall be at least 2.5 cm.
  • Mobile Device, during operation, the separation distance between the user and the antenna subjects 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.
  • 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”.

RF Exposure Compliance and Control Guidelines and Operating Instructions
To control your exposure and ensure compliance with the occupational/controlled environment exposure limits, always adhere to the following procedures. Guidelines:

  • User awareness instructions should accompany the device when transferred to other users.

  • Do not use this device if the operational requirements described herein are not met.
    Operating Instructions:

  • 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 50% of the time, or less, is important because the radio generates measurable RF energy exposure only when transmitting in terms of measuring for standards compliance.

  • 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.

  • 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.

Hand-held Mode

  • 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
  • When placing or receiving a phone call, hold your radio product as you would a wireless telephone. Speak directly into the microphone. 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:
WARNING

  • 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, 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:
WARNING 

  • 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 care with the earphone 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

WARNING

  • 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 the conductive material such as jewelry, 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 another container with metal objects

Long transmission

  • When the transceiver is used for long transmissions, the radiator and chassis will become hot.
    Safety Operation

Forbid
WARNING

  • Do not use 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 airbag 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 airbag 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
WARNING

  • Contact Retevis for assistance regarding repairs and service.
  • The adapter shall be installed near the equipment and shall be easily accessible
  • This radio meets the RF exposure guidelines when used with the Retevis accessories supplied or designated for the product. The 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

WARNING
MODIFICATION OF THIS DEVICE TO RECEIVE CELLULAR RADIOTELEPHONE SERVICE SIGNALS IS PROHIBITED UNDER FCC RULES AND FEDERAL LAW.

Guarantee

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

Remarks:

  1. This guarantee card should be kept by the user, no replacement if lost.

  2. Most new products carry a two-year manufacturer’s warranty from the date of purchase. 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.

http://www.retevis.com/?utm_source=box&utm_medium=qr_codes

Shenzhen Retevis Technology co., Ltd

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

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