The HUM-900-PRO from Linx Technologies is a RF Transceiver with Data Rate 38.4 Kbps, Output Power(dBm) -5 to 9 dBm, Rx Sensitivity -100 to -97 dBm, Supply Voltage 2 to 3.6 V, Rx Current 23.5 mA. Tags: Surface Mount, Module. More details for HUM-900-PRO can be seen below.