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Appendix
Technical specifications
RF Frequency Band
(Handset to Base)
2401.056 MHz — 2482.272 MHz
Output Power 20 dBm
Sensitivity -96 dBm
Modulation GFSK
RF Frequency Band
(Base to Handset)
2401.056 MHz — 2482.272 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)
9V DC @700 mA
Handset Voltage 3.2 — 4.7V DC @700 mAh
Handset Battery AT&T model 2420 (80-5542-00-00)
3.6V DC @700 mAh
91-000040-010-000_E2120ManualMP_R0Aug0904.qxd 8/9/2004 10:06 AM Page 28