VTech VC7151 User Manual page 74

Frequency control Crystal controlled PLL synthesizer
Transmit frequency 1921.536-1928.448 MHz
Channels 5
Sensor operating -18°C (0°F) to 55°C (130°F)
temperature
Nominal effective Maximum power allowed by FCC and IC.
range Actual operating range may vary according to
environment conditions at the time of use.
Power Handset: 2.4V 400mAH 2xAAA Ni-MH battery
requirements
Telephone base: 6V DC @ 600mA
Charger: 6V DC @ 400mA
Sensor: 2xAAA batteries
Memory Phonebook:
50 memory locations, up to 30 digits and
15 characters
Caller ID log:
50 memory locations; up to 24 digits and
15 characters
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