ZEBRA RW420 R4D. Model: RW420. LATEST R4D Version! Zebra ZQ520 Thermal 4" Rugged Printer Bluetooth ZQ52-AUE0000-00 iOS Android. WIRELESS BLUETOOTH THERMAL Receipt Printer. Connectivity: Wireless, Bluetooth, Serial (RS-232), Ethernet (RJ-45), USB 2.0, 10/100Base-TX.
