Zebra ZD421t, 12 dots/mm (300 dpi), USB, USB Host, BT, Wi-Fi
Zebra ZD621d, 12 dots/mm (300 dpi), RTC, USB, USB Host, RS232, BT (BLE), Ethernet, grey
Zebra ZD621d, 12 dots/mm (300 dpi), cutter, linerless, RTC, USB, USB Host, RS232, BT (BLE), Ethernet, grey
Zebra ZD621R, 8 dots/mm (203 dpi), disp., RTC, RFID, USB, USB Host, RS232, BT (BLE), Ethernet, grey