The TDA7200/7210 are low-power ASK/FSK wireless receivers operating in the 434/868MHz ISM bands., RF Frequency Ranges: 400 to 440MHz (TDA7200, TDA7210), 810 to 870MHz (TDA7210), ISM band. Receiver Sensitivity: -106dBm @ 4800bps ASK. Modulation: FSK or ASK