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 ML range. 3 x relays; 1 x Power Relay (mechanical), 2 x Opto Relay (semiconductor). 2 x AUX inputs. Optional CAN interface for wiring in Telpad/DIN Relay box.