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stoep18/09/2016
I was pleased to see between 400 and 650mW from this little unit. Depends a bit on the selected frequency
The Modulator part is the RTC6705 (see picture), which is controlled by SPI by an on board micro also taking care of the LED band/channel stuff.
The final stage is the RTC6659. Originally designed for QAM64 digital modulation at a level of +23dBm IE 200mW. In FM mode the output power can be increased indeed and around 600mW is possible.
Cooling is via heat transferring gap-pad to the housing covering the front.
When the transmitter is in the heat shrink sleeve it comes in, I think cooling is marginal.
There seems to be an on board microphone untested) and there are exposed pads marked "audio in" at the rear of the PCB.
All in all a nice product for FPV and also for Amateur Television use on the 6cm band (HAM use).
Only thing I think is bad is the reverse SMA junk :) but that's personal as from a technical point of view it works fine.
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