I don't know how to make it work; when i plug it in, dmesg shows its connection and loading but no complaints about firmware or drivers. There's no character device in /dev/ so i can't open it with mpv, but at least on the back of the package it came from does mention "Linux support" so for the non-free kernel there is a way to use it. I'll assume it works. If there is interest, give more details so i can test it further.

lsusb -vv

[Bus 001 Device 002: ID 1b80:d398 Afatech DVB-T receiver [RTL2832U]
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x1b80 Afatech
  idProduct          0xd398 DVB-T receiver [RTL2832U]
  bcdDevice            1.00
  iManufacturer           1 realtek
  iProduct                2 usbtv
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength       0x0019
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          4 USB2.0-Bulk&Iso
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           1
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              5 Bulk-In, Interface
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
Device Qualifier (for other device speed):
  bLength                10
  bDescriptorType         6
  bcdUSB               2.00
  bDeviceClass            0 
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  bNumConfigurations      2
can't get debug descriptor: Resource temporarily unavailable
Device Status:     0x0000
  (Bus Powered)