The RFD900X Combo Set allows an additional instance of a Ground Control Station (GCS) to be connected to PRISM in addition to the EchoSky Mobile GCS. Often, this is either a tablet or a laptop. The RFD900X transmitter operates on a lower frequency of 900mhz, allowing a long distance communication link, in addition to the EchoSky Mobile's 2.4ghz link.
- RFD900X Air Unit (with Pre-Installed Telemetry & Power Wires specifically created for PRISM which allows a plug and play experience)
- RFD900X Ground Unit with Antennas