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» UHF radio control for submarines (openLRS, LoRa, FSK etc. on 458Mhz and 433Mhz )
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    2 posters

      Which crystal?

      Tom(ADMIN)
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      Tom(ADMIN)
      AMS Forum Owner


      Posts : 3026
      Join date : 2010-11-05
      Age : 64
      Location : Nevada, USA
      • Post n°1

      Which crystal? Empty Which crystal?

      Post  Tom(ADMIN) Tue Nov 16, 2010 7:36 pm

      My TT Neptune came with a basic four channel radio installed...the tx is functional, but very plasticky and almost toy-like. I want to use my HiTec Optic6 tx with the Neptune, but the question is...which crystal do I use? I presume I'd need the TT tx crystal, but would they be compatible? I don't really want to strip the Neptune down again to replace the rx with the HiTec one unless I absolutely have to...

      Pic shows the TT tx.

      Which crystal? Img01310
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      Giovanni LiCalsi
      Giovanni LiCalsi
      Giovanni LiCalsi
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      Posts : 170
      Join date : 2010-11-15
      Age : 74
      Location : Alameda, California, USA
      • Post n°2

      Which crystal? Empty Re: Which crystal?

      Post  Giovanni LiCalsi Tue Nov 16, 2010 11:58 pm

      Hi Richard,
      I am pretty sure that you can buy a synthesized TX and RX for the radio if it is a 40MHz or a 35MHz transmitter.
      With a synthesized TX/RX you get something that operates very well underwater and the brilliant channel frequency selections by your choice.You can even add a 2.4GHz TX/RX, 2nd antenna with a toggle switch in-between the transmitters.
      Giovanni
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