通过计算机串口收发短信。用WAVECOM和西门子 的GSM MODEM，西门子6688（普通手机+串口数据线），在WIN32系统（WIN98，WIN2000，WINXP）下通过测试。大负荷状态下收发非常稳定，通过了上万条短信的严格测试。其他使用标准AT命令集的手机或GSM MODEM也可使用。该控件内置*和定时发送，不支持广播。增加短信发送成功事件。GSM模块必须支持PDU格式短信。该控件支持中文，英文以及混合中英文短信，中文短信长度为上限70个中文英文字符（包括标点符号）。-computer serial send and receive text messages. Using Enfora and Siemens GSM modem, Siemens 6688 (serial data ordinary phone lines), the WIN32 system (Windows 98, WIN2000, WINXP) passed the test. Under heavy load transceivers very stable through the last 10,000 messages of testing. Other standard AT command set or GSM phones can also use the modem. The built-in controls and repeated regularly sent, not to support broadcasting. Additional messages sent success story. GSM module PDU format must support text messaging. The controls support Chinese, English and Chinese and English mixed messages. Chinese SMS length of the ceiling 70 English and Chinese characters (including punctuation).