VERACITY HIGHWIRE Powerstar Base 8 LINKLOCK provides a tamper-proof secure barrier for your IP cameras and devices connected over coax cable, to prevent unauthorised access to your network. LINKLOCK devices detect any disconnection/reconnection or tampering with any part of the cabling between the Base unit and the IP camera or other POE device. 8 tamper-proof camera channels per Base unit. (4 channel base unit also available.) 32 POE or POE Plus channels in 1U with four Base 8 units. Automatic configuration for simple installation. Full duplex 100Base-TX performance on each coax. 5 year warranty.