Teleguard Privacy Phone, Fax, and Data System

Features
Line powered
Modular or punch-down installable
One and two line devices
Compatible with analog lines with 12V DC or higher talk battery
Transparent operation

Specifications
Power: Telephone line powered (PC-7, PC-RJ14, PJ-14, TG-1, TG-2: 25V-100V DC "on-hook" talk battery, 10ma-100ma - TG-3: 12V-24V DC "on-hook" talk battery, 10ma-100ma)
Connections: Available in RJ-11and RJ-14 configurations as well as punch-down installations
Environmental: 0 degC to 32 degC (32 degF to 90 degF) with 5% to 95% non-condensing humidity