（1）应答器采用两节1.5V 五号电池供电，阅读器用外接单电源供电，二者都工作于“写”状态。阅读器通过无线方式向应答器写入任选的三个汉字。采用键盘输入，并由显示屏显示写入汉字，阅读器具有改写和删除写入汉字的功能。耦合线圈间距D≥3cm，写入时间≤5s。显示汉字错误率不大于十分之一。

（2）应答器和阅读器都工作于“读”状态。阅读器通过无线方式正确识别并显示应答器预置的汉字，即实现反向传输。其他条件同（1）。

（3）应答器用自己的擦除功能实现对预置汉字信息擦除后，阅读器的阅读显示屏不应有汉字显示。-(1) transponder uses two 1.5V AA batteries, Reading Used single external power supply, both of which work in the "write" state. The reader optionally three characters written to the transponder by radio. Using keyboard input, written by the display of Chinese characters, the reader has to rewrite and delete functions written characters. Coupling coil spacing D ≥ 3cm, write time ≤ 5s. Display Chinese characters error rate no greater than one tenth.

(2) transponders and readers are working in the "read" status. Reader and display correctly identify the transponder wirelessly preset characters, i.e. to achieve the reverse transmission. Other conditions are the same (1).

(3) Used for their response functions to achieve the preset characters erase information erased, the reader should not have to read screen display of Chinese characters.