The Wurth Elektronik Telesto-I Plug USB radio stick combine proprietary modules with an USB-UART converter IC. So you can communicate directly with the proprietary module via an virtual COM port and with a PC with USB connection. The USB radio sticks contain the respective radio module, which works with an USB converter. SRD frequency band is 915MHz
External SMA antenna connector
Reduced Tx power (FCC, IC)
FCC, IC, ARIB