User Guide
Page 66
... frequency Channels Nominal effective range Crystal controlled PLL synthesizer Handset: 1921.5361928.448 MHz Telephone base: 1921.5361928.448 MHz Bluetooth: 2402.0002480.000 MHz DECT channel: 5 Bluetooth channel: 79 Maximum power allowed by FCC.
... frequency Channels Nominal effective range Crystal controlled PLL synthesizer Handset: 1921.5361928.448 MHz Telephone base: 1921.5361928.448 MHz Bluetooth: 2402.0002480.000 MHz DECT channel: 5 Bluetooth channel: 79 Maximum power allowed by FCC.