Futaba R604FS 4-Channel 4Ch 2.4GHz FHSST Receiver For 4PK 4PKS 4PX 7PX

Futaba R604FS-E 4-Channel 2.4Ghz FASST Telemetry Receiver EP 4PK 4PKS 4PX 7PX

Futaba R614FF Receiver 2.4GHz 4CH FASST for 4PK 4PKS 4PX 7PX

Vintage 2008 Futaba R604FS-E 2.4GHz 4CH FASST Receiver for EP 4PK 4PKS 4PX 7PX !

Vintage Futaba R604FS 2.4GHz 4CH FASST C2 Diversity Receiver 4PK 4PKS 4PX 7PX OS

Vintage 2008 Futaba R604FS-E 2.4GHz 4CH FASST Receiver for EP 4PK 4PKS 4PX 7PX R

Futaba R614FF 2.4GHz FASST 4 Channel Receiver - Tested working

Futaba R617FS 7-Channel FASST Receiver