Hikvision proximity key fobs set the electronic security benchmark for 125 kHz proximity readers, cards, and tags. Based upon proven contactless digital radio frequency identification (RFID) technology, Hikvision proximity key fobs interface with a wide range of electronic access control systems by complying with the Wiegand communication protocol.

Additionally, proximity key fobs are passive devices and eliminate the need for maintenance by requiring no batteries, and can be ordered to support several proximity reader technologies.