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Retevis RT43 is a 5W DMR digital 2 way radio with a compact and portable body. It supports digital and analog communication modes to meet different communication needs.
Depending on the real test, RT43 DMR two way radio can reach up to 2.4 km in the urban area. With the ability to connect to repeaters via channel settings, the RT43 significantly extends its transmission range over 8 km.
The RT43 DMR handheld radio is built for rugged use. Its robust design provides excellent resistance to drops and friction, ensuring reliable performance even after a 1-meter fall. This durability, combined with a strong outer shell, makes it ideal for both outdoor adventures and demanding commercial environments.
The dual time slot (DCDM) functionality allows for two simultaneous conversations on a single frequency, increasing communication efficiency.
Utilizing advanced AMBE + 2TME voice processing technology, the RT43 delivers exceptionally clear and high-quality audio, eliminating the need for strained communication. The included earpieces help improve the sound quality and also ensure the call information privacy.
The integrated VOX (Voice Operated Exchange) feature enables voice-activated transmission, freeing your hands for other tasks.
There are no buttons and display screens in Retevis RT43 DMR Radio, which can prevent workers from accidentally touching the buttons during work. The structure is simple and easy to operate. And the side buttons can be set as a function shortcut for the user's operating habits.
Retevis RT43 DMR radio operating temperature is -25℃~+60℃; for the working environment of -10℃~ -20℃ in cold storage, Retevis RT43 can be used normally in the cold storage environment.
Frequency range | UHF:400-480MHz |
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 (excluded 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 | Analog Mode: 14.8 hours (with a 1400mAh Li-ion battery) |
Digital Mode: 20.9 hours (with a 1400mAh Li-ion battery) |
● 32 Channels (2 Zones), 64 Contacts (Digital)
● Digital and Analog Mode
● Single/Group/All Call
● Encryption (Normal/Enhanced)
● High/Low Power Switch
● Wide/Narrow Band Selectable
● Repeater/Talk Around
● Time Out Timer (TOT)
● Tail Elimination
● VOX Hands-Free
● Scan / Monitor
● QT/DQT
I facilitated a bulk purchase/programming of the #RetevisRT43 for my brothers church. That was 2-1/2 years ago and the radios are still going strong for their security team & special events.
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.