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We have a variety of receivers on our website, like 4CH R4FA,6CH R6FA, 8CH R8FA, 4CH R4SF, 6CH R6SF, 8CH R8SF, 14CH R14FA. We named them as their features. R means receiver; FA means 2.4G Fasst; 4/6/8/14 means channels; SF means 2.4G S-FHSS. All the receivers with 2.4G Fasst or S-FHSS modulation are compatible with Futaba. The two receivers R6FA-SB and R4FA-SB have SB function. Under S.BUS output mode, both R4FA-SB and R6FA-SB supply 12 proportional channels and 2 DG channels. Therefore, the R4FA-SB or R6FA-SB becomes 14-channel receivers when using S.BUS output.
