What Is the Difference Between a Router and a Modem? - The Plug - HelloTech
U.S. Robotics Courier Lite 56k Dial Up Business Modem - Serial - 56 kbit/s - ITU V.17, ITU-T V.29, ITU-T V.27ter, ITU-T V.21, EIA 578 Class 1, EIA 592 Class 2.0, ITU-T
Modems for sale and dealer, and Networking hardware sales networking equipment seller. We're a modem dealer and modem supplier of V92 & V.90 modems, internal and external modems
Patton Electronics 1082 DSL iDSL Modems With V.35, X.21, 10Base-T Ethernet or Co-directional 64 kbps G.703 Interfaces
Zoom H08-03328-C Accura V90 External Modem 56Kbps RS-232 (Serial Port) Bell 103, ITU V.17, ITU V.27ter, K56Flex, ITU V.21, Bell 212A, ITU V.22, ITU V.22bis, ITU V.29, ITU V.32, ITU V.32bis, ITU
DSL-Warehouse
GitHub - jtarrio/SoftwareModem: An implementation of the ITU-T V.21 modem standard, working on a PC over a sound card.
V.21 Standards Modem Cards for sale | eBay
Double NAT vs Single NAT 101: ISP Gateway's Best Tips | DKT