You can find information about compatible controllers for aeroflyRC7 here:
http://aeroflyrc.com/input-devices.html

For Spektrum radios, you will need to get the following:

1) usb interface for RC7 (Ikarus p/n 3031010)
2) y- adapter cable (ikarus p/n 31036)

Customers can order these online from http://shop.ikarus.net/ if based in Europe,
or http://shop.ikarus-usa.com/ if based in the USA.

For wireless connection with a Spektrum receiver, you will need the Ikarus RC SimConnector (Ikarus p/n 3031100)
Customers can order this online from http://shop.ikarus.net/en/aeroflyrc7...-receiver.html if based in Europe,
or http://shop.ikarus-usa.com/en/home/7...-receiver.html if based in the USA. You may download the manual for the RC SimConnector here http://www.ikarus.net/downloads/manu...ikarus-usa.pdf