About this deal
Whether responding to an emergency where seconds count, coordinating a mobile workforce, or communicating critical information, your radio is essential and its battery key to your operation. Fortunately, hazards that kill other two-way radio batteries do not affect ours. While other organizations use batteries from third-parties for their devices, we build superior batteries specifically for Retevis radios.
To consider the RA85, the RA685 has more choices, you can use it in many scenarios like ham activities, business use, outdoor activities, or even you can talk to your friends who live far away from you within 4.5 miles. First, the frequency is different, RA85 is GMRS radio, so the frequency is fixed, the users cannot change the frequency. But TA685 is ham radio, the frequency is VHF+UHF, from 144-146MHz, and 430-440MHz. And you can only receive the date if you are in another frequency range. When this symbol appears in frequency mode, it means that the transmitting frequency is the receiving frequency plus a frequency difference frequency. The frequency difference frequency is set in menu 26 If you use unauthorized accessories without authorization, all consequences caused by this are the responsibility of the user. Hold the PTT button and cumber 5 buttons to turn on your radio, the screen will display Amateur, then you are in an amateur band.Channel mode to initiate a call: After selecting a channel, press and hold the [PTT] key to initiate a call to the current channel. Speak into the microphone in a normal tone. When a call is initiated, the red LED light is always on.
Sweep: Short press [SK1] key to turn on the sweep function, and directly measure the frequency of other devices. When this symbol appears in frequency mode, it means that the transmitting frequency is the receiving frequency minus a frequency difference frequency. The frequency difference frequency is set in menu 26
RA685 offers the full keypad, so you can program your RA685 by its keypad. Very easy and convenient to set your radios when you are out.