Focus on the series of blogs to learn what are the functions and features of the new RB22 Amateur radio, how to operate it on both radio and software, some expert reviews from influential hams and the real feedback, and some Q&A about the RB22 from our customers. If you have any questions about RB22 Amateur radio, please leave them in the comments.
We will start with the basic information and the functions of RB22.
RB22 radio is a DMR ham radio with a half-keyboard and a clear color screen. And you can receive analog calls and digital calls at the same time in VFO mode.
Other functions like roaming function, encryption, message, private/group/all call, FM radio, recording, emergency alarm, key lock, TDMF signaling, remote kill, TOT, scanning functions.
| RB22 Basic information | |||
| Channels | 4000Channels 250Zone*16Channels/Zone | Channel space | 12.5kHz/25.0kHz |
| Frequency range | UHF: 400mHz-480mHz | Working temperature | -20℃~ +60℃ |
| Tx Power | High: 5W / Low: 1W | Size | 102x54x35mm |
| Battery capacity | 1900mAh | Weight | 233.9g |
Next, let’s start with the Function shortcut keys.
6 buttons on the front panel
| Menu | Standby | short press | main menu |
| long press for 3s | lock or unlock | ||
| In menu | short press | OK | |
| Back | standby | short press | Open Zone list |
| In menu | short press | Back to the last page | |
| VFO | short press | Programming the parameters |
| Green | Standby | short press | Enable custom functions |
| long press for 3s | Enable custom functions | ||
| Red | Anytime | short press | Cancel or return |
| VFO | short press | Adjust channels according to arrows | |
| Standby | long press for 3s | Enter or return VFO mode |
| UP | Standby | short press | turn up |
| long press for 3s | Start scanning and channel up | ||
| In menu | short press | choose functions | |
| Down | Standby | short press | turn down |
| long press for 3s | Start scanning and channel down | ||
| In menu | short press | choose functions |
There are also 2 side buttons that allow you to select features based on your habits and preferences in the software. Please focus on Part 2: Software to customize the functions if you need help.
And then, let us know what function each symbol represents.
Look at the photo:
At the top, we can check the volume, time, and battery.
On the main screen, the channel number(CH14), zone number(Zone 1), mode(DN-digital mode), H/L power(Red The longer the progress bar, the higher the power), standby mode(White progress bar), and receiving(Green progress bar).
Menus and areas are accessible at the bottom of the screen.
This screen is in the VFO mode, there is a green hand to indicate where you are working. And there is a VFO logo in the upper left corner.
And in the VFO mode, the back button is the function, and enter the function, you can adjust the transmit and receive frequency, the H/L power, and the color code, and you can even turn off the channel.
That’s the end of the first part of the sharing, if you have any questions or concerns want to know, please do not hesitate to leave in the comments, or you can email us at support@retevis.com for a solution or a discount. And please follow our official website to get a discount retail price, follow our Facebook page to get the latest news and sharing.
Thanks.
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