HM-R
2.5V to 5V, 433 / 868 / 915MHz, FSK modulation, -109dBm Sensitivity, Low power consumption, 0.3kb/s to 100kb/s RF Receiver Module

RFM01
2.2V to 5.4V, Low power, Standby <0.3uA, Tuning free, FSK modulation, PLL and Zero IF, Fast PLL lock with 2.5KHz step, 115.2Kb/s, Differential antenna input, Automatic antenna tuning, Programmable receiver bandwidth, ARSSI/DRSSI, AFC/DQD, SPI interface RF Receiver Module

RFM31
1.8V to 3.6V, 433 / 868 / 915MHz, FSK / GFSK / OOK modulation, -118dBm Sensitivity, Low power consumption, 1kb/s to 128kb/s, Ultra low power shutdown mode, Digital RSSI, AFC RF Receiver Module

RFM31B
1.8V to 3.6V, 433 / 868 / 915MHz, FSK / GFSK / OOK modulation, -121dBm Sensitivity, Low power consumption, 0.123kb/s to 256kb/s, Ultra low power shutdown mode, Digital RSSI, AFC RF Receiver Module

RFM80
4.5V to 5.5V, 315 / 433MHz, ASK modulation, -110dBm Sensitivity, Low power consumption, 0.1kb/s to 5kb/s RF Receiver Module

RFM83
4.5V to 5.5V, 315 / 433MHz, ASK / OOK modulation, -110dBm Sensitivity, Low power consumption, 0.1kb/s to 10kb/s, Shutdown pin, Wakeup output RF Receiver Module

RFM83X
4.5V to 5.5V, 315 / 433MHz, ASK / OOK modulation, -110dBm Sensitivity, Low power consumption, 0.1kb/s to 10kb/s, Shutdown pin RF Receiver Module

RFM84
4.5V to 5.5V, 315 / 433MHz, ASK modulation, -95dBm Sensitivity, Low power consumption, 0.1kb/s to 5kb/s RF Receiver Module