This is the ideal solution for long range telemetry or communications.  Two RFD868+ modems with antennas for all antenna ports.

The kit consists of:

2 x RFD868+ Radio Modems

1 x Antenna, 868-900MHz Quarter wave monopole 2.1dBi

1 x Antenna, 868-900MHz Right Angle Quarter wave monopole 2.1dBi

4 x Antennas, 868-900MHz Half wave dipole 3dBi

1 x FTDI USB cable

You get a cheaper price when purchasing a whole kit !