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The Retevis RT43 UHF DMR Radio with Earpiece combines reliable UHF communication with the convenience of hands-free operation. Ideal for security, business, and event coordination, it supports both digital and analog modes and features clear audio quality for efficient communication. The included earpiece ensures private, uninterrupted conversations. Frequency range: UHF 400.000-480.000MHz, which is convenient for commercial users to write the required operating frequency.


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.

Rich calling modes that support DMR protocol, including single call, group call, and all call; supports remote inhibit function and other applications.

This digital two-way radio uses advanced AMBE +2TM voice processing technology to achieve higher quality.

5W/1W power switch, Meeting the power requirements of different call distances to save more energy.

| Frequency range | UHF:400-470MHz |
| Channel Capacity | 32CH (2 Zones) |
| 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 |
| 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 |
| 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 1400mAh Li-ion battery) |
| 20.9 hours(with 1400mAh Li-ion battery) |
● 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 operating habits
The Retevis RT43 UHF DMR Radio with Earpiece combines reliable UHF communication with the convenience of hands-free operation. Ideal for security, business, and event coordination, it supports both digital and analog modes and features clear audio quality for efficient communication. The included earpiece ensures private, uninterrupted conversations. Frequency range: UHF 400.000-480.000MHz, which is convenient for commercial users to write the required operating frequency.


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.

Rich calling modes that support DMR protocol, including single call, group call, and all call; supports remote inhibit function and other applications.

This digital two-way radio uses advanced AMBE +2TM voice processing technology to achieve higher quality.

5W/1W power switch, Meeting the power requirements of different call distances to save more energy.

| Frequency range | UHF:400-470MHz |
| Channel Capacity | 32CH (2 Zones) |
| 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 |
| 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 |
| 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 1400mAh Li-ion battery) |
| 20.9 hours(with 1400mAh Li-ion battery) |
● 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 operating habits
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If you do not like the product you can return it within 15 days - no questions asked. This excludes bodysuits, swimwear and clearance sale items. We have an easy and hassle free return policy. Please look at our Delivery & Returns section for further information.
With over 16 years of innovation and growth, RETEVIS has crafted a wide range of two way radio walkie talkies, include industrial grade radios , long range radios, radio for construction site, business band radios, radio repeaters and wireless radio communication solutions. Trusted by millions of users worldwide, RETEVIS ensures reliable, clear, and instant communication across over 170 countries and regions, serving industries like construction, security, manufacturing, emergency response, and more.
At RETEVIS, we prioritize quality, with all radios or repeaters meeting international certifications like FCC and CE. Our R&D department continuously innovates to offer advanced radio solutions that meet the unique communication needs of our customers. Backed a professional staff group, we provide specialized technical support and customer service, ensuring a seamless experience for both individuals and businesses.View More
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