Mobile radio refers to wireless communications systems and devices which are based on radio frequencies(using commonly UHF or VHF frequencies), and where the path of communications is movable on either end. When you are considering to buy a DMR ham radio for your car, I think the first choice should be a mobile radio. For our Retevis brand mobile ham radio, here have 3 choices, Retevis RT95 is an analog ham mobile radio, but Retevis RT90 and Retevis RT73 are DMR ham mobile radio. Today, let us talk about the difference between RT90 and RT73.
|Mode||Digital / Analog||Digital / Analog|
|Band||Dual band / VFO||Dual Band / VFO|
|Power||H：20W L:5W||L:25W H:50W (VHF)
L:25W H:45W (UHF)
|Rated Voltage||DC 13.8V||DC 13.8V
|Support talkgroups||20,000 talk groups||10,000 talk groups|
|Screen||1.77inch LCD Display||Color LCD Display|
|Brightness Adjust||Adjustment screen brightness||No|
|Digital vocoder type
|Record||built-in record functio.
can record 200hours
|need to update record firmware.|
|Digital contacts||200,000 DMR Contacts||120,000 DMR Contacts|
|Emergency||4 Kinds of alram type||4 Kinds of alram type|
|TimeSlot||True time slot, DCDM||True time slot, DCDM|
|GPS||Built-in GPS, comes with external GPS antenna||Built-in GPS|
|APRS||Support Digital APRS via Brandmeister Serve, and Analog APRS||Support Digital APRS via Brandmeister Serve，No ananlog APRS|
|Scan||3 scan modes||3 scan modes|
|Group Match (Promiscuous )||“Promiscuous” on RT73||Group Match on RT90|
Affordable price is an important thing you need to consider when choosing a DMR ham mobile radio.