36
Appendix
Technical specifications
RF frequency band
1921.536MHz - 1928.448MHz
Channels
5
Operating temperature
32°F - 122°F
0°C - 50°C
Headset charger voltage
(AC adapter output)
6VDC @400mA
6VDC @300mA
Headset voltage
3.2VDC - 4.2VDC
Battery
3.7V 140mAH