AT&T 1070 - Technical Specification

80
Technical specification
Operating temperature 32°F — 122°F
0°C — 50°C
Power adapter input AC120V 60Hz
Power adapter output DC12V 500mA
Backup battery
(purchased separately)
Alkaline 9V, size 1604A
Headset jack 2.5mm, 32 - 150ohm
Wiring limitation No more than 600 feet
REN 0.3B
System signal carrier
frequency
1.7 MHz