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I recently came across this WiFi audio sender/receiver pair http://www.aqdab.com/store/en/view_product/41/2094/ on an English website.
At first glance, I would think that these could be used with either a yagi or a dish antenna to make a very inexpensive STL for Part 15 use. I can’t tell from the pictures whether the rubber duck antennas are removeable or not. If not, that could be easily remedied. People are using cheap WiFi LAN gear with directional antennas and getting several miles. If these audio units are of comparable design and power, they should do the same.
I am curious as to whether these units can be locked to a particular channel and whether they support encryption. I emailed the vendor, but have had no response so far.
I don’t know the exact exchange rate, but a pair of these should run about $60-$70. Total cost, including external antennas should be under $300. I’m not in need of an STL quite yet, but if anyone tries a set of these, please tell us about it.
