The Vid-com were handheld mobile communication devices originating on the planet Earth, they were used in the mid 21st century by Humans, human-created robots and The Department.
The vid-com was the apparent successor of the mobile phone; like the mobile phone it had ringtones, a vibration movement when contacted and it was able to record videos. (K9TV: The Fall of the House of Gryffen,The Cambridge Spy, Mutant Copper)
The friends of K9 Mark 2, Starkey, Jorjie Turner and Darius Pike used vid-coms during their adventures. (K9TV: The Fall of the House of Gryffen, Oroborus)
Vid-coms could be used to exhange money. (K9TV: Oroborus)
Aside from regular vid-coms, (K9TV: Angel of the North) Department officers also carried a different kind of vid-com which was able to fire lasers. (K9TV: The Custodians)