2m/70cm
Bands
20 W
Output
Frequency136-174 MHz (VHF) and 400-480 MHz (UHF)
TX power20 W (Ultra-compact dual-band analog/DMR mobile, 20 W. Built-in GPS; two-way DMR-APRS and TX-only analog APRS. 4000 channels, 200,000 contacts. AMBE vocoder.)
ModesFM (analog), DMR Tier II (digital), DMR-APRS + analog APRS
Connectors
antennaSO-239
micfull-keypad DTMF hand mic
dataGPS
power req13.8 V DC.
Ultra-small (122 x 64 x 39 mm) dual-band DMR mobile 20 W on 2m and 70cm DMR Tier II with AMBE vocoder Built-in GPS; two-way DMR-APRS + TX analog APRS 4000 channels, up to 200,000 contacts Full-keypad DTMF hand mic for front-panel control
Strengths

Fits anywhere; genuine 20 W dual-band DMR; GPS and APRS built in; keypad mic for programming on the fly.

Weaknesses

20 W (not 50 W); small speaker; code-plug programming; single-slot APRS quirks.

Verdict

The go-anywhere DMR mobile - the RT73's tiny chassis, 20 W output and built-in GPS/APRS make it ideal for compact vehicle and go-box installs.

The Retevis RT73 is an ultra-compact (122 x 64 x 39 mm) dual-band analog and DMR Tier II mobile with 20 W output, built-in GPS, two-way DMR-APRS and a full-keypad DTMF hand mic. It holds 4000 channels and up to 200,000 contacts.

Compare the higher-power Connect Systems CS800D or the tri-band AnyTone AT-D578UV III.