ITEM NAME:CC1101 Wireless RF Transceiver 315/433/868/915MHZ SMA Antenna Mo FT Description: Continuous frequency band extension: CC1100: 400-464 MHz and 800-928 MHzï ¼â€º CC1101: 387-464 MHz and 779-928 MHzï ¼â€º Basic Features 1. Working voltage :1.8-3.6V 2. Operating frequency:(Module:387-464MHZ)  Default working frequency: 433Mhz 3. Instantaneous maximum working current: