Parameter: Modulation:ASK/AM Frequency:315/433.92MHz （other frequency available） Voltage:3~5V Data Rate:4.8Kbps Sensitivity:-112dbm Current:10~12mA Operate Temperature: -20 to +85 Centi Degrees Channel Spacing : +/-220 KHz IF frequency: 10.7MHz Size:31*13.5mm Pin assignment: GND DATA DATA VDD VDD GND GND ANT