ITEM NAME:CC1101 Wireless Module Long Distance Transmission Antenna 868MHZ SPI Interf BX Multi-channel transceiver @ 868MHz support FSK, GFSK, ASK / OOK and MSK configurable data rate: 1.2k to 500kps independent 64-byte RX and TX data FIFOs support radio wake supports automatic clear channel assessment efficient SPI Interface low power supply (1.8V-3.6 V) Package Included: 1 x  CC1101 Wireless Module Long Distance Transmission Antenna 868MHZ M115.1 x CC1101 Wireless Module Long Distance Transmission Antenna 868MHZ M115. Multi-channel transceiver @ 868MHz. efficient SPI Interface. support radio wake.