... (with selectable pre-emphasis, squelch, and audio amplifier). Two-point modulation for good low-frequency response used in the radio makes ... power: 1W - 5W Programmable Channel Spacings:25KHz,12.5KHz programmable Modulation type :16K0F3E ,8K5F3E Intermediate Frequency: 45.1MHz&455KHz Number of ... °C Dimension: 120*60*20mm(Length * width * height) Data radio transmitter and receiver