VTech DM221-2 Manual - Manual (Page 36)

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Appendix
Frequency control Crystal controlled PLL synthesizer
Transmit frequency Baby unit: 1921.536-1928.448 MHz
Parent unit: 1921.536-1928.448 MHz
Channels 5
Nominal effective range Maximum power allowed by FCC and IC. Actual operating
range may vary according to environmental conditions at
the time of use.
Power requirements Parent unit: 2.4V Ni-MH battery
Baby unit adapter: Input: 100-120V AC 60Hz
Output: 6V DC @ 400mA
Parent unit adapter: Input: 100-120V AC 60Hz
Output: 6V DC @ 400mA
Technical specifications