The invention discloses a wireless transmission apparatus based on ultrahigh-frequency RFID, which satisfies the requirement of a GJB protocol. The wireless transmission apparatus comprises a 900 MHz master control device and multiple 900 MHz acquisition terminal devices. The 900 MHz master control device comprises a first interface unit, a 900 MHz reader-writer module unit, a first controller unit and a first antenna unit. The 900 MHz acquisition terminal units comprise second interface units, 900 MHz label simulator module units, second controller units and second antenna units. The wireless transmission apparatus provided by the invention has the following advantages: the requirement of the GJB protocol is satisfied, data security and an optimal transmission rate are ensured, and the wireless transmission apparatus realizes a function of wireless communication with a PC or other devices.