The Viking TBB-1B boosts talk battery voltage up to 48VDC and boosts the current up to 26mA on single analog line extension behind a phone system or electronic key system. Thie Viking TBB-1Bis helpful for powering line powered devices like touch tone dialers and emergency phones on a low voltage and/or low loop current extension.
The extra bright power LED lights up to show activity when the Viking TBB-1B is being used. The Viking TBB-1B is not compatible with Pulse/Rotary dialing.
Note: Not compatible with pulse/rotary dialing.
|Warranty||2 Year Limited Warranty|