Best for IO Linepassing
With SPI & UARTcan be used as S1 or S2
2.4GHz long Range
FTDI Chip3.3v logic
2.4GHZ WIRELESS SERIAL REPLACEMENT pair
4 BIT ENCODER/DECODER WITH RF 433MHZ TX/RX
pre configured ZigBee replace
Handy explorer board with USB.Used for configuration as well as connection.