I have two of the KDS 7ch Radio and RX willing to sell for 65$(per) + shipping they are like new and only used twice. I now have a Aurora 9 and dont need this many radios. they are not the best radios but will fly helis and airplanes.
Some pecs taken from KDS Site
KDS-7XII 2.4GHz CONTROL SYSTEM UNITS ADVANCED ELECTRONIC DEVICE, AND FEATURES WIDE USE. It can support multi-users and multi-equipment simultaneously, and features quick response, high precision, and strong capability for anti-jamming.
KDS-7XII 2.4GHz supports one transmitter and several receivers, and makes it possible that single radio can control several models simultaneously.
KDS-7XII 2.4GHz supports different brand gyro
KDS-7XII 2.4GHz reacts quickly and precisely
7 models parameters store supported
Support 5 points throttle(THR) curve on(in)
NORMAL mode and IDLE mode.
Support 5 points pitch(PIT) curve on(in) NORMAL
mode, IDLE mode and HOLD mode.
Support HELI(helicopter) mode and AERO mode.
Following mode (modes) is (are) supported in
HP1: Normal helicopter with 1 servo
HP2: Swash helicopter with 2 servos
Hp3: CCPM 120swash helicopter with 3 servos AERO mode
A/P:Normal aero plane
elta wing plane
7 channels standard servo signal output
7Dual rate (DR) control supported
Throttle hold supportedã€‚
Gyro sensitivity adjusting supported
Beep low voltage warning supported
(vltage can be set).
Down timer relate to throttle
No signal protection supported.