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Airtronics Spectra SP-7P Transmitter PCM and PPM?

Old 06-03-2022, 07:05 AM
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Default Airtronics Spectra SP-7P Transmitter PCM and PPM?

I am interested in purchasing an Airtronics Spectra SP-7P PCM Transmitter. However I wanted to use it with a 53 MHz RF module and a PPM receiver. I noticed in some photos of the transmitter the RF module says PCM, does that mean that if I replace the PCM module with a regular FM module that the transmitter will operate in the PPM mode??
Thanks for any help on this.
Old 12-31-2023, 08:10 AM
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Default Spectra pcm only.

I researched that same question and that spectra is only a pcm version. If you have that radio see if it has some switch which will allow u to change to ppm. I donít believe it does. My pcm vanguard has a selector switch. Let me know what model receiver it uses.

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