RETEVIS RB35 Two Way Radio User Manual

: June 5, 2024
: RETEVIS

Table of Contents

RETEVIS RB35 Two Way Radio
Charging the Battery
BASIC OPERATION
Technical Parameters
Local Government Regulations
FCC Requirements
References
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RETEVIS RB35 Two Way Radio

RETEVIS RB35 Two Way Radio PRODUCT

Charging the Battery

The battery is not charged in the factory, please charge the battery under the environmental temperature 5—40℃ before using.
After purchasing or long-term storage(more than two months),charging the battery for the first time can not reach its saturation capacity, repeat charge/discharge for twice or three times to make battery capacity achieve the best state.
Before charging, please power off the transceiver, using the transceiver during charging may affect correct charging.
If the battery has been charged fully, please do not charge it
again, otherwise the service life of the battery may be shorten or may be damaged.

If the service time is significantly reduced even after completely correct charging, the battery can not be used any more, please replace a new battery.

BASIC OPERATION

Power/Volume Button
Rotate the power button, you can turn on/off the radio.
When radio is turn on, Rotate it again, you can adjust the radio’s Volume
Channel Selection
Short press 【UP/DOWN】 keys to adjust the channels.
PTT
Press this button you can talk to others.
Monitoring
When “Side Key 2” in the software is programmed to the monitoring function, long press 【DOWN】 key for two seconds to enter into the monitor mode, release it to exit.
Torch
Press 【UP】 key for two seconds to turn on the flashlight, press 【 UP】 key to turn it off.
Channel Lockout
Press both 【UP】【DOWN】 keys to lock; Operate them again to unlock.
Scanning
It is convenient for the user to search for calls from other channels. When defined the side key down button on the software with the scan function, long press down button for 2 seconds, radio will active the scan function. Radio will start scanning from current channel. When radio scan the signals from other channels, it will stay, if you don’t press PTT within 4 seconds, it will continue scanning.
Note:
At least to add 2 channels with scan function, or you can not use the scan function.
Carrier Scan: When the radio detects a signal it will stop scanning and will stay on the same frequency and will resume scanning after 4 seconds when the signal ends.
Emergency Alarm
When “Side Key 2” in the software is programmed to the alarm function, long press 【DOWN】 key for two seconds to alarm; Press PTT key to exit.
High/Low Power
You can choose the High/Low power on the programming software.
Chinese/English Voice Prompt
You can choose the Chinese/English voice by hand. Switch to Channel 16, turn off the radio, then press 【UP】 key and meanwhile turn on the radio to switch between the Chinese and English.
VOX
This function can be voice activated so the user doesn’t have to press the PTT key. Switch to Channel 7, turn off the transceiver, then press the 【 UP】 key and turn on the transceiver at the same time to switch between the ON and OFF of the VOX function.
You can set the VOX level by its software, level from 1-9
Busy Channel Lockout
The function can prevent interference from other transceivers using the same channel.
Battery Power Saving
If there is no signal or operation, the radio will reduce its power consumption. The battery power-saving function activates when the channel is unoccupied or has not been in operation.
Low Battery Warning
If the battery power falls to the predetermined value during transmission, the transceiver will give out a voice prompt: please charge in time.
Time Out Timer(TOT)
The purpose of the TOT is to prevent any single person from using a channel for an extended period of time. An alarm will sound if the transmission continues beyond the set time. The transceiver will stop transmission if this occurs. To stop the alarm, release the PTT key and the transceiver will return to standby.
CTCSS/DCS
The transceiver has 50 CTCSS and 208 DCS, also non-standard sub audio can be programmed!
Special Signaling
Special Signaling refers to the CDCSS on the channels is special processed codes. Only when the transceivers in the same company are programmed the same frequency point with the same CDCSS and meanwhile special signaling is programmed, then they can talk to each other.

Technical Parameters

SPECIFICATIONS

Co/Differ-frequency

Simplex Communication

We May Change The Specifications For Technical Improvement Without Prior Notice.
RF ENERGY EXPOSURE AND PRODUCT SAFETY GUIDE FOR PORTABLE TWO-WAY RADIOS
RETEVIS RB35 Two Way Radio 01
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://ww-w.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 a 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. 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)

This device may not cause harmful interference, and
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:
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:

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

ًRF Exposure Information

DO NOزٍT 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 document-ed in this ﬁling and the separation distance between user and the device or its antenna shall be at least 2.5 cm.
Mobile Device, during operation, the separation distance between 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

Turn oﬀ your radio power in the following conditions:
Protect your hearing:
Avoid Burns
Safety Operation
Approced Accessories

Guarantee

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

Remarks:

This guarantee card should be kept by the user, no replacement if lost.
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/
The user can get warranty and after-sales service as below:
- Contact the seller where you buy.
- Products Repaired by Our Local Repair Center
For warranty service, you will need to provide a receipt proof of purchase from the actual seller for verification

Exclusions from Warranty Coverage:

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