Xbee Pro 900

This is the exact model we are using. An xbee is just a wireless transmitter which takes its input from a UART interface.

Needs 2.1dB dipole antennas to get a maximum of 200 Kbps at 5km range.

Needs a maximum of 229 mA @ 3.6V (for transmitting, less for receiving)

Find the datasheet here: https://www.digi.com/pdf/ds_xbeepro900hp.pdf 

Find the real datasheet here: https://www.digi.com/resources/documentation/digidocs/pdfs/90000903.pdf