Synapse Wireless 2.4G Transceiver RF220SU Module

The 2.4G Transceiver RF220SU Module is an IEEE 802.15.4, highly-reliable solution for embedded wireless control and monitoring networks that require great range and low power. 20 GPIO with up to 7 A/D inputs; 128k flash, 58.5k free for over-the-air uploaded user apps; Two UART ports for control or transparent data; Three low power modes