- Retevis RT43 is a DMR radio in the UHF frequency range. Users can program the channel according to their needs.
- High/Low power switch according to your call environment.
- Connect to the repeater to extend the communication distance.
- NOTE: Programming software: please click "support" to download
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UHF Full-Frequency Radio
Frequency range: UHF 400.000-480.000MHz. which is convenient for commercial users to write the required operating frequency.
Digital and analog are compatible.
Support DMR digital and analog two communication modes to ensure that the original analog products smooth transition to digital products to meet different communication needs.
Digital signaling function.
Rich calling modes that support DMR protocol, including single call, group call, and all call; supports remote inhibit function and other applications.
High sound quality.
This digital two-way radio uses advanced AMBE +2TM voice processing technology to achieve higher quality.
High/low power switch.
5W/1W power switch, Meeting the power requirements of different call distances to save more energy.
Supports the use of the repeater.
Side buttons can be customized without changing the user’s operating habits.
Spec
Main technological specification
| Frequency range | UHF:400-470MHz |
| Channel Capacity | 16CH |
| Channel Spacing | 12.5KHz |
| Operating Temperature | -25℃~+60℃ |
| Operating Voltage | DC 7.4V |
| Antenna Impedance | 50Ω |
| Microphone Impedance | 2.2KΩ |
| Battery | Li-ion DC7.4V 1400mAh |
| Dimension | 116×54×35mm ( no including antenna) |
| Weight | 316g |
Transmission
| Output power | High:5W Low:1W |
| FM modulation | 25/16K¢F3E 12.5K/8K¢F3E |
| 4FSK digital modulation | 12.5KHz for data:7K60FXD 12.5KHz for data and voice :7K60FXE |
| Vocoder type | AMBE++or SELP |
| Digital Protocol | ETSI-TS102 361-1,-2, |
| Harmonic | ≥70dB |
| Signal-to-noise Radio(wide/narrow) | 25K≤-45 dB 12.5≤-40 dB |
| Rated audio Distortion | ≥5% |
| Frequency Stability | ±2.5ppm |
| Max Frequency Stability | 12.5K≤-40dB |
Reception
| Sensitivity (12dB SINAD) | Analog 25K≤-121dB 12.5K≤-119dB |
| Digital 0.3μV/BER5% | |
| Signal-to-noise Radio | 25K≥45 dB 12.5K≥40dB |
| Adjacent channel selectivity | 25K≥65 dB 12.5K≥60dB |
| Intermediation (Wide/ narrow) | 25K≥60 dB 12.5K≥55dB |
| Spurious Response Rejection | ≥65 dB |
| Audio power | 1W |
| Audio distortion | <5% |
| Frequency Stability | ±2.5ppm |
| Battery life under 5-5-90duty | 14.8 hours(with 1600mAh Li-ion battery) |
| 20.9 hours(with 1600mAh Li-ion battery) |
Feature
●UHF Full-Frequency Radio
Frequency range: UHF 400.000-480.000MHz
●Digital and analog compatible
Support DMR digital and analog two communication modes to ensure that the original analog products smooth transition to digital products to meet different communication needs
●Digital signaling function
Rich calling modes that support DMR protocol, including single call, group call, and all call; supports remote inhibit function and other applications
●High sound quality
This digital two-way radio uses advanced AMBE +2TM voice processing technology to achieve higher quality
●High/low power switch
5W/1W power switch, Meeting the power requirements of different call distances to save more energy
●Supports the use of a repeater
●Side buttons can be customized without changing the user’s operating habits
Product Reviews
Support
Firmware/Software
Firmware/Software
- RT43-softwareV1.0
Unzip: Windows 64bits：https://www.7-zip.org/a/7z2201-x64.exe
- win11-DriverInstaller
The win11 driver is compatible with win10, win8 and win7 systems.
- RT43-Firmware-FW1.0