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Categories | Interfaces, Radio to computer, amp, rotor, coax switch, internet | Zumspot RPi Help

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VK5JKS  Rating: 5/5 Mar 12, 2018 23:54  Send this review to a friend!
Brilliant!  Time owned: 0 to 3 months
I just acquired a Zumspot Raspberry Pi Zero W combination (built upon Pi-Star and MMDVM), kindly built for me by VK3CM. This is a UHF hotspot supporting DStar, DMR, Fusion, P25 and NXDN. It is housed in a small metallic box the size of a packet of chewing gum. It works either via wifi or Ethernet to USB adapter. ten milliwatts of power allows me to use DStar for about two hundred meters from my hotspot.
The quality is excellent. Configuration was a bit tricky being totally blind, but most of the web interface was fairly accessible. I am extremely happy with the quality and performance of this gem. Please note, this unit contains an RPi board sourced from Australia rather than china.
Note that this unit supports connecting to reflectors using DTMF keys on your radio, without having to set up multiple channels to link and unlink as required by other DStar repeaters. You merely need to set up one memory using DR mode, and then just press PTT and dial up various combinations to link, unlink, get info, etc from the hotspot. For example, while pressing PTT, 0 gives status, # unlinks, *1c or *23c connects to reflector ref001c or ref023c respectively.
I highly recommend this combination which is much cheaper than a nanospot or openspot.
The trickiest part was editing the repeater list in my radio to add the hotspot. You'd think that with the proliphoration of hotspots, this would be made much easier by radio manufacturers, or, even a dummy entry added to the default repeater list downloadable from Then, all you'd need to do is edit the dummy entry and upload to your radio. I'm using a Kenwood TH-D74A radio with this hotspot, another excellent product for another review. 
Product is in production.
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