I really dont know if the reciever is selectable ,its a R600 made by JR channel # 40 and my Radio is a standard Futaba skysport with the same crystal channel #40
TRANSMITTER T4YF
(2 sticks, 4 channels, FM transmitter)
Transmitting frequency: 29, 35, 36, 40, 41,
50, 60, 72, 75 MHz
Modulation method: FM (Frequency Modulation)
Power requirement: 12V (penlight battery
x8) or 9.6V nicd battery
Current drain: 180mA
SERVO S3003/S3004
(Standard servo)
Power requirement: 4.8V or 6V (common
with receiver)
Current drain: 8mA (idle)
Output torque: 3.2kg-cm (4.8V)
Operating speed: 0.23sec/60 degree (4.8V)
Size: 40.4x19.8x36mm
Weight: 37.2g
RECEIVER R136F(not for USA)
(6 channels, FM receiver)
Receiving frequency: 29, 35, 36, 40, 41, 60,
72 MHz
Intermediate frequency: 455kHz
Receiver image
http://static.rcgroups.net/forums/at...P101005250.jpg