A user equipment identification detector for use in a wireless telecommunication network. The user equipment is operable to communicate with network nodes provided in the wireless telecommunication network. The detector comprises a proximity sensor and an interrogation unit. The proximity sensor is operable to detect placement of the user equipment within a predetermined detection region. The interrogation unit is operable to request an indication of identity from the user equipment detected in the predetermined detection region and communicate the indication of identity to a user equipment identification unit.