dmesg log when plugged:
[ 2555.447630] usb 1-1: new high-speed USB device number 13 using xhci_hcd [ 2555.601320] usb 1-1: New USB device found, idVendor=048d, idProduct=9308, bcdDevice= 1.00 [ 2555.601325] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 2555.601329] usb 1-1: Product: DGI1011 [ 2555.601331] usb 1-1: Manufacturer: Atlanta DTH, Inc. [ 2555.601333] usb 1-1: SerialNumber: 000000
The USB chip has a marking of "Tolka101" - most probably developed by Tolka Taiwan Inc. - same company who develops the tvplus go app (?). Beside this chip looks like an external EEPROM chip. (*there are no markings on the RF frontend chip).
For simple modification, I replaced the micro-USB connector with an "older" (but more reliable) type-A USB connector+cable - more suitable since I'm using the dongle on laptop or PC more often than my android phone.