Door Answer Device – Single

– Single door answering device- Provides two-way communication (does not provide door unlock capability)- Built-in talkback amplifier- Ring generator- Transmit and receive volume control- Includes a VC-VP-324 power supply- Compatible with all Valcom doorplate speakers- Access: PBX loop starttrunk port, electronic or 1A2 line key (line cardrequired), or dedicated single line phone set-Input impedance: 600 ohm- Ouput impedance: 45 ohm- Weight 3.4lbs- Dimensions: 8.25″H x 4.5″W x 2.35″D- VALCOM POWER UNITS (N/A power included)