AT&T E5643B Cordless Telephone User Manual


 
Appendix
44
Appendix
Technical specifications
RF Frequency Band
(Handset to base)
2400 MHz — 2483.5 MHz
Output Power Handset: 19 dBm (nominal)
Base: 29 dBm (nominal)
Sensitivity -96 dBm
Modulation GFSK
RF Frequency Band
(Base to handset)
5725 MHZ — 5850 MHz
Channels 95
Channel Spacing 864 KHz
Operating Temperature 32°F — 122°F
0°C — 50°C
Base Unit Voltage
(AC Voltage, 60Hz)
96 — 130 Vrms
Base Unit Voltage
(AC Adapter Output)
9VDC @600mA
Handset Voltage 3.2 — 4.7 VDC 700mAH
Charger Voltage
(AC Adapter Output)
9VDC @200mA
Replacement Battery Model 27910
3.6V 600mAh
91-000353-060-000_E5640 MK3B CIB_R2.qxd 2/13/1950 7:21 PM Page 44