通用GSM模块汉字发送VB程序：具有自动汉字PDU码生成及转换的功能，还可快速读写SIM卡-common GSM module Chinese Send VB : Chinese PDU with automatic code generation and conversion functions, can read and write fast SIM cards

PDU是用来发送短彩信的一种编码，上述代码为VB彩信pdu解码。-Wish to develop SMS or EMS application? What do you read from your mobile? PDU code. PDU is a format which you send to a phone to send a SMS or an EMS. You can find more in GSM 03.40