MRF24J40MD is a 2.4 GHz IEEE 802.15.4 radio transceiver module intended for longer range applications. The MRF24J40MD has an integrated PCB antenna, matching circuitry, and supports the ZigBee®, MiWi™ and MiWi P2P protocols. The MRF24J40MD module connects to hundreds of PIC® microcontrollers via a 4-wire SPI interface and is an ideal solution for AMR/AMI metering, wireless sensor networks, home automation, building automation and consumer applications.