4G Upgrade Kit for 2G Hy-Can Products. Serial numbers starting with 5 or 6. Kit includes: Hy-Can PCB, 4G Bridge Board & 4G Antenna. Relays not included but can be transferred from the old PCB to the new one.
Compatible with original Display Tags & ML Millenniums with stainless steel back boxes. Please contact us to check compatibility. CAN lead sold separately.