Micro RC Receiver C4FA
https://www.rc-corona.com/
The model R820FA is Mini fasst receiver. 2.4GHz Spread Spectrum FASST Compatible Receiver is designed to use with FUTABA FASST 2.4GHz transmitters, such as TM7, TM8, TM10, TM14 or T6EX-2.4G, 7C-2.4G, 8FG, 10CG, 12FG,14SG,18MZ. The model R820FA is rather small in all receivers. The weight is about 2g and the size is L*W*H=30mm*14mm*3mm. To protect the circuit board of the receiver R820FA, we use shrink films on it. We pack the receivers in the plastic bag and fix the card board with our logo on the plastic bag’s seal.