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μ-INTERFACE


Connection with the True Digital Ham Radio World !!
     Version 1.3
   For FRN, Echolink, Ham Radio Deluxe, Wmix,SSTV, WSJT-X, FT8, JT65, UI-View 32  and other digital ... "hits".

  1. Time protection of the gateway in TX and RX. The limiter works even on rigs in VOX mode.
  2. Independent audio level and tone (+ - 6db) for TX and RX.
  3. Full galvanic isolation between PC and XMTR performing full RF shielding.
  4. Power supply from independent 5V DC external source.
  5. 15pin Dsub connector for out/in controls (AUDIO IN, AUDIO OUT, PTT, AF UNLOCKED 1,2 (SQL), XMTR, GND, CAT/CVI,FSK,CW ).
  6. Adjustment for each type of transceiver and SQL polarity for their inputs/outputs  (Base, Mobile, Portable).
  7. USB Type B output for the PC connection. 
  8. Dual PTT to and from the PC program (via UART chip and micro controller).
  9. Protection against RF even for use with HF transmitters with more than 200W output power.
  10. Two-level boards with metallic holes and vias for integrated upper and lower surface ground grids.
  11. USB Type A output for other uses. (Replenishment of the PC's USB port used by the interface ).
  12. Two AF UNLOCK in order to be used by two transmitters for link function (when and where it is legally permmited), or monitoring two different frequencies. 
  13. CAT/CVI control function with TTL and RS-232 selection and disable switch.
  14. On board programming for firmware updates.
  15. LED indicators on the front face for FSK,CW,LIMITER,POWER,RX,TX.
  16. LED indicators on the back face for the CAT control.
  17. RX Audio boost for better matching with different XMTRs.
  18. Support all the digital and analog modes (FSK,AFSK,Voice,RTTY,SSTV, FT8, etc)
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