This is a HITEC HP-PLL(QPCM/PPM) or RCD4400 FREQUENCY SYNTHESIZER MODULE FOR PCM/PPM Hitec and Futaba transmitters designed to use channels 11-60 or 72mhz frequencies from 72.010 to 72.990. It is also compatible with all Futaba "FM" transmitters using the FP-TP-FM module to work with Futaba or Hitec transmitter using Futaba FP-TP-FM sized modules.
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