VTech VH621 - Technical Specifications

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