Modem Speed Booster - Version 3.1.0.21 Modem Speed Booster keeps your connection secure, prevent automatic disconnections. Add more speeds greater than 115200 to your modem settings. Speed up your connection without any networking or communication background requirements. Detect your OS to indicate the best settings for your system. Adjusts MTU (Maximum Transmission Unit), MSS (Maximum Segment Size). Automatically detect the MTU for all networks along the path to a remote host (MTU discovery procedure), thus avoid packet fragmentation, performance problems. Detecting bad routers ( Black hole routers) that may prevent MTU discovery procedure to be completed correctly. Adjusts RWIN to the best size settings for your system. Configure the TTL (Time To Live) value that defines how long a packet can stay active before being discarded. More Features: 1- Optimize Configuration of the register of Windows Optimize Configuration of the register of Windows. 2- Optimize Configuration of the Files of Initialization.