- American Telephone & Telegraph User Manual 5.8 GHz Cordless Telephone/Answering System with Caller ID/CallWaiting E5943B, E5944B

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Appendix
Technical specifications
RF frequency band
(Handset to base)
2400 MHz — 2483.5 MHz
RF frequency band
(Base to handset)
5725 MHz — 5850 MHz
Channels 95
Operating temperature 32°F — 122°F
0°C — 50°C
Telephone base voltage
(AC Voltage, 60Hz)
96 — 130 Vrms
Telephone base voltage
(AC adapter output)
9VDC @600mA
Handset voltage 3.2 — 4.7 VDC 700mAh
Charger voltage
(AC adapter output)
9VDC @200mA
Replacement battery Battery pack (part number 80-5848-
00-00) 3.6V 700mAh