WIFI detection and identification equipment and system and WIFI detection and identification method

The invention discloses WIFI detection and identification equipment. The WIFI detection and identification equipment comprises an awakening and packet transmitting module which awakens mobile equipment to transmit data packets; an MAC address acquisition module which receives and parses the data packets transmitted by the mobile equipment so as to acquire an MAC address; an identification module which is connected with the MAC address acquisition module and identifies the mobile equipment according to the MAC address and judges the state of the mobile equipment and transmits state information to a communication module; and the communication module which is connected with the identification module and transmits the state information of the mobile equipment to a server. The mobile equipment can be identified under the condition that the mobile equipment has no WIFI network connection, and time of entering state and leaving state of the mobile equipment can be recorded.