- Compatible Printers: ZD421D, ZD621D,ZD421T
- Wireless field upgradeable module
- You can get the wireless module preinstalled with your printer at purchase
- Dual Radio with 802.11ac and Bluetooth\nClassic 4.1.
- Apple MFI 3.0 certified
- Important: This is not backwards\ncompatible with the ZD420 or ZD620 series
- Part number : (P1112640-017C)