The 9C-series transmitter with synthesized RF module will operate any of the current Futaba PPM or PCM receivers. You must make sure, though, that your transmitter is set appropriately. The R127DF and R148DF receivers need the transmitter set to PPM modulation. Your transmitter, a 9CHPS defaults to PCM operation. You'll likely need to change the modulation. The transmitter's modulation setting is in the upper right-hand corner of the LCD.