VB的MODEM通信源代码，包括MODEM初始化，自动检测电脑串口数量，MODEM参数设置等...

ras拨号登录控件及示例-dial-up login controls and sample

基于wavecom公司的Q24_plus GPRS/GSM 模块的无线modem的原理图设计，软件格式为ORCAD的DSN-On wavecom" s Q24_plus GPRS/GSM wireless modem module, the schematic design, software ORCAD format of the DSN

cSharp使用线程下载支持pda项目 cSharp使用线程下载支持pda项目-support the use of thread c# download pda project c# support the use of threads to download pda project

Simulation model of a single server q-Simulation model of a single server queue

blackberry for modem

ADSL 接入技术已成为终端用户最主要的宽带接入技术。ADSL 技术的关键是ADSL 调制解调器,即ADSL MODEM。ADSL 用户端调制解调器驱动器是一个宽频带功率放大器,他能不失真放大和传输电话线上已编码的数字信号。 本文通过对ADSL 调制解调器驱动器特点、结构和性能的分析,给出了一种ADSL 用户端MODEM 驱动器的实现电路。该 电路采用具有优良高频的双功率放大器L T1886 ,即使在配置高电平的闭环增益网络后也能保持较低的失真。-ADSL access technology has become the most important end-user broadband access technology. ADSL technology is the key to ADSL modem, that is, ADSLMODEM. ADSL modem client driver is a broadband power amplifier, the distortion that he can not enlarge and transfer telephone lines have been encoded digital signal. Based on the ADSL modem driver characteristics, structure and performance analysis, we give a ADSL client realize MODEM driver circuit. The circuit has an excellent high-frequency power amplifier of the dual-L T1886, even though high in the configuration of the closed-loop gain network also able to maintain low distortion.

fpga实现的OFDM和源代码，详细描述了各个部分，有很好的指导作用

利用MSComm控件，通过串口发送AT指令操作Modem。在2台计算机之间进行数据传输。-use MSComm control, sent through serial AT command operation Modem. In between the two computers for data transmission.

AT V8指令集-AT V8 instruction set

一个完整的短讯网关示例,支持短讯收发,支持UDP及Text格式.-a complete SMS Gateway example, support SMS transceiver to support UDP and Text formats.