I'm trading in all of my 72MHZ equipment for 2.4GHZ equipment. Both radios are in working condition, but will require new batteries: JR PCM 10X (Airplane version) JR X-347 (The radios will require new batteries) 3 gyros: G400 gyro NEJ 900 gyro G640T gyro (new in box) 2 electrodynamic servo isolators 4 FMA coreless servos (3551s) 6 receivers: 1 6ch CH 35 NER 226X 1 10ch CH 19 R950S 1 10ch CH 19 R950S clipped antennae with screw post 1 10ch CH 19 PCM10 910X7 1 NER 327X w/ no crystal 1 9ch CH 56 Galaxy receiver