- RT73 is a DMR Ham mobile radio for Amateurs.
- The mini size occupies the space of a palm.
- Analog and digital mode combined, can help you connect to more radios.
- GPS gives you a clear idea of your location even in the wild.
Note: 25 kHz channel space is not available in USA because of FCC Narrowbanding Requirements. - NOTE: Programming software: please click "support" to download
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20000 call groups. 200,000+contacts(complete worldwide database from DMR-MARC). for extremely complex organizational communications.
Analog and digital mode combined, and support Mixed receive. It allows you to easily transition from an analog to a digital system.
GPS gives you a clear idea of your location even in the wild. Use it to find your way or to help others find you.
Super small size, power up to 20W,be convenient for installation on any devices.
Spec
Two-way radio mobile car radios are designed to be installed into a vehicle and connected to an external antenna mounted outside the automobile.
| General | |
| Product number | RT73 |
| Frequency range | UHF：400-480MHzVHF：136-174MHz |
| Channel number | 4000 (250 Channels / Zone) |
| Channel spacing | 12.5KHz/25KHZ |
| Standby current | 160mA |
| Operating temperature range | -20℃~+50℃ |
| The antenna impedance | 50Ω |
| Overall dimensions | 121.5*65.5*42.5mm |
| Rated Voltage | DC-13.8V |
| Transmitter | |
| Rf power | 5-20W |
| Modulation restriction | ±2.5dB@12.5kHz / ±5.0dB@25kHz |
| FM hum& noise | -40dB@12.5kHz / -45dB@25kHz |
| Conducted/radiated emission | -36dBm＜1GHz / -30dBm＞1GHz |
| Adjacent channel selectivity | -60dB@12.5kHz / -65dB@25kHz |
| Audio Response | +1~-3dB |
| Audio Distortion | 3% |
| Emission current | 3A |
| RECEIVER | |
| Frequency stability | +/-1.5ppm |
| Analogue sensitivity | 0.3μV / 0.25μV |
| Digital sensitivity(5% BER) | 0.25μV / 0.2μV |
| Intermodulation | 65dB |
| Adjacent channel selectivity | 60dB@12.5kHz / 65dB@25kHz |
| Spurious rejection | 65dB |
| Rated audio | 500mw |
| FM hum &noise | -40dB@12.5kHz / -45dB@25kHz |
| Audio response | +1~-3dB |
| Receive current | 350-460mA |
Feature
- 200,000+contacts(complete worldwide database from DMR-MARC).
- 20000 call groups.
- 250 text messages.
- 4000-channel (250CH/Zone, 16 zones）
- Built-in GPS.
- The true 2-time slot allows for 2 talk paths one a frequency.
- Dual-band, dual display, and dual standby.
- AMBE vocoder, Crystal sound quality.
- Super small size, power up to 20W, be convenient for installation on any device.
- Definable keys to ensure shortcut operation.
Product Reviews
Support
Firmware/Software
Firmware/Software
- Retevis-RT73-CPS-V9.1.195
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.
- RT73-FW-20210923