ITEM NAME:E07-868MS10 Wireless Module CC1101 868MHz SPI 10dBm 1000m RF Transceiver Description: CC1101 chip imported originallyà ¯Ã‚ ¼Ã… ’Industrial grade components Stable performance, strong diffraction, Minimum size, for various embedded development, can be connected with spring antenna or external antenna. Working frequency: 868MHz (Default) Transmitting power: 10 dBm Max. Power (10mW) Receiving sensitivity: -109 dBm Air data rate: 0.6kbps Test distance: 1000m Size: 19 x 13 x 2mm Communication interface: SPI Power supply: 1.8-3.6V Package Includes: 1 Piece RF Transceiver Module.CC1101 chip imported originallyà ¯Ã‚ ¼Ã… ’Industrial grade components. Working frequency: 868MHz (Default). Test distance: 1000m. 1 Piece RF Transceiver Module. Communication interface: SPI.