Checked to work on 40mhz 4 Channel Helicopter Radios. Works with Futaba and copies (re-branded rcs etc). Please Note: This will not work with all 40mhz kits. If when purchasing the item doesnt work you may return it. Details below.
Small Parts. Recommended use age 14 or above.
BSP RC 40 MHZ 40.725 FM Crystal TX & RX Receiver 40MHZ - B00GJWALPW