This waterproof receiver uses the new AFHDS 2.4GHz ANT frequency technology and has a very compact design with a size of 22.6*20.6*25.5mm. - Racingline RC
Flysky FS i6 AFHDS 2A 2.4GHz 6CH System Fernsteuerung Sender Für RC Hubschrauber 798881690914 | eBay