1) Scrambler Function: others can't hear your talking if they have not set Scrambler ON even if the frequency and sub tone is same.
2) With Frog Sound (Rogger tone): The receive radio will hear a Rogger tone (Frog Sound) when end of transmit
Radtel RT-470L 5W Full Band Amateur Radio
6 Bands
1) 136-180MHz(RX/TX)
2) 200-260MHz(RX/TX)
3) 350-400MHz(RX/TX)
4) 400-520MHz(RX/TX)
5) 108-136MHz (AM RX) - Air Band Receive Only
6) 66-108MHz (FM RX)- FM RADIO
Features:
1. Support NOAA U.S Weather Channel Receive
2. One key copy frequency (Auto frequency capture) without PC programming
3. Output Power 5w
4. Transmission time out
5. Frequency hopping function
6. 8 steps: 2.5k, 5k, 6.25k, 10k, 12.5k, 20k, 25k, 50k
7. Power saving mode
8. VOX
9. Support Voice encryption.
10. The channel is busy and the transmission is prohibited
11. Low battery warning, battery voltage display, high and low point forbidden
12. Automatic backlight
13. Three channel display modes (frequency, channel number, channel name)
14. Three scanning methods (time, carrier, search)
15. The frequency difference direction is selectable in frequency mode
16. In frequency mode, the frequency difference frequency can be selected between 0-99.9995MHz
17. Channel parameters can be edited and stored in frequency mode
18. 256 storage channels (128x2 groups)
19. Emergency alarm
20. Voice Encryption function
21. DTMF code function
22. Support boot interface customization
23. FM Radio
24. Computer programming
25. Dual frequency point waiting