Wifi Bee v2.0 is the update version of Wifi Bee v1.0. We replace transceiver module MRF24WB0MA which is SPI interface with RN-171 used UART interface. Wifi Bee v2.0 module incorporates 802.11 b/g radio, 32 bit processor, TCP/IP stack, real-time clock, crypto accelerator, power management unit and analog sensor interface. It can directly plug into the Bee sockets and use the UART port for communication. You can also use AT command for advanced configuration to meet your unique requirement. Specification Compatible with any Bee socket Host interface： UART Transmit power: 0dBm to 12dBm Frequency：2402~2480 MHz Channal：0~13 Integrated TCP / IP protocol stack On-board Multilayer Chip Antenna