Arduino RFD900 Shield
If you need long range communications for your Arduino project, this will make connecting the RFD900x to an Arduino easy !
It has switchable serial source, from either the hardware serial port, or software serial.
It has the standard Arduino form factor and uses only power, TX, RX and GND pins on the header.
Also available is a user-selectable jumper to allow a separate power supply to the modem.
The RFD900x Shield requires a RFD900x modem which can be purchased separately.
Also available are cables, antennas and modem variants. Please call if what you want is not listed.