The 308 MHz/315 MHz/418 MHz/433.92 MHz low power FSK Superheterodyne Receiver adopts high integrated, low power, CMOS Superheterodyne RF receiver chips in MAXT042,with a sensibility range from -110 dBm to -109 dBm ,receiving a FSK data which speed up to 66 kbps(NRZ) (33 kbps Manchester code). This paper introduces the main performance and internal structure,...