The RF-TI1352B1 from RF-star is a RF Module with Frequency 868 to 928 MHz/2402 to 2480 MHz, Data Rate 50 Kbps to 2 Mbps, Supply Voltage 1.8 to 3.8 V, Current Receiving 5.8 to 6.9 mA, Current Transmitting 7.1 to 24.9 mA. More details for RF-TI1352B1 can be seen below.