Clearance of transmitters. The TGY9X/Receivers, Turnigy 5X/Receivers work well. The other electronics haven't been used in years.
Included in the package are:

1 X Turnigy TGY9X 9 Chanel
7 X Turnigy 9X C2 Receivers - 8 Channel
2 X Hobby King HK T4A - 4 Channel Transmitter
16 X Hobby King Receivers TRA 6A
3 X Turnigy 5X Transmitter - 5 Channel
2 X Turnigy TGY 5A Receiver - 4 channel
1 X W-Fly WFT06X-B - 4 Channel Transmitter
1 X W-Fly Receiver - 4 Channel
4 X Corona Synthesised 36MHz Receivers - 6 Channel