The ATA8204 from Atmel Corporation is a Receiver with Frequency 431.5 to 436.5 MHz, Sensitivity -113 to -107 dBm, Gain 20 mV/dB( RSSI Output), Noise figure 5 dB, Data Rate 1Kbit/s to 10Kbit/s. Tags: Surface Mount. More details for ATA8204 can be seen below.