Beware with the orange gr300 recievers they are great but you need to check the standard your transmitter use's
The Orange recievers use dsm2, some of the spectrum trannies use DSM and wont work with the orange recievers
I use orange recievers with my DXR4S tranny and find them great as well as cheap as chips.
HTH,
Shiny.
BTW they are norm cheaper from hobbyking than ebay just make sure they are in uk warehouse.
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