Retevis RT3S DMR Ham Radio
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The Retevis RT3S is a dual-band DMR handheld radio that supports both digital and analog modes, includes built-in GPS with APRS functionality, and is compatible with the popular open-source OpenGD77 firmware. It operates on MOTOTRBO Tier I and II networks with TDMA support, making it a versatile entry point into the DMR digital radio world. Overall, it offers an impressive feature set for its price range, though some users may find the stock firmware and programming software require a learning curve.
Key Features & Specs
| Mode Support | Dual-mode Digital DMR and Analog FM operation with TDMA time-slot support |
|---|---|
| Channels | 3000 programmable channels for extensive frequency storage and organization |
| GPS & APRS | Built-in GPS receiver with APRS support for real-time position reporting and tracking |
| Compatibility | Works with MOTOTRBO Tier I and Tier II networks and supports OpenGD77 open-source firmware |
| Band Coverage | Dual-band VHF and UHF coverage for flexible amateur radio operation |
| Power | Rechargeable lithium-ion battery pack with standard charging cradle included |
| Form Factor | Compact handheld walkie-talkie design in black, sold as a single unit |
Best for: Amateur radio operators who want an affordable dual-band DMR handheld with GPS and APRS capabilities, especially those interested in flashing OpenGD77 firmware for enhanced features and community support.