The RF-BM-ND10 from RF-star is a RF Module with Frequency 2402 to 2480 MHz, Data Rate 125 Kbps to 1 Mbps, Supply Voltage 1.7 to 3.6 V, Current Receiving 6 mA (Peak), Current Transmitting 6 to 15.5 mA (Peak). More details for RF-BM-ND10 can be seen below.