У вашего броузера проблема в совместимости с HTML5
Here is a video on the Jumbospot running MMDVM Pi-star and how to set it up. These hotspots are flooding the market and they work just fine, as a cost effective way to get in to the hotspot scene in amateur radio.
https://www.ebay.com/itm/Assembled-MMDVM-hotspot-Support-P25-DMR-YSF-raspberry-pi-OLED-Antenna-Case/122878428117?epid=12015335839&hash=item1c9c2003d5:g:9JMAAOSwPIhaQLgw
https://amzn.to/2s2e8wS USB battery bank
https://www.pistar.uk/wifi_builder.php
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