Osmo-FL2K: A TX-Only SDR Hacked from Commodity $5 USB to VGA Adapters

Some cheap "blue" no-brand dongles don't have USB 3.0 traces:

http://tinyhack.com/2018/05/05/fixing-osmo-fl2k-dongle-that-...

Maiwo KCB003 dongle contains FL2K chip and have USB 3.0 ($15)

https://www.gearbest.com/cables-connectors/pp_1238337.html?w...

Source: https://hackernoon.com/osmo-fl2k-a-15-dtv-transmitter-fm-rad...