Viking TBB-1B 48V DC Boost Talk Battery and Loop Current to Line Powered Devices

  TBB-1B Features: Boost talk battery voltage up to 48VDC Boost talk battery loop current up to 26mA Power LED also displays activity Passes original ringing through to the device Passes caller ID data Passes hook switch flash Passes CPC signals Compatible with touch tone dialing UL listed power adapter provided Run line powered devices such as handsfree phones, touch tone hot-line dialers, digital announcers, etc. Increase maximum loop length on analog PABX/KSU stations Use with wireless doorbox devices Increase phone line voltage / current for alarm panels Manufacturer Warranty: 2 Year Limited Warranty Note: Not compatible with pulse/rotary dialing. Product Manual