Supplier of innovative buried electronic markers used to mark cables, to provide easy cable locating.

A manufacturer and distributor of unique and hard to find telecommunicaions tools from the turn of the century through today.

Serial alarm monitoring of telecommunications equipment: protocol specifications, test procedures, software tools that facilitate installation and troubleshooting.

Provider of GSM Mobile, class 4/5 open programmable switches, protocol converters, test and diagnostics.

Designs, develops and markets (WAN) Wide Area Network access products and communications test equipment.

Provider of telephone line-powered dialers and other telecommunications testing equipment.

Test equipment from several manufacturers for data communications and telecommunications networks. Applications include DSL, T-carrier, fiber optics, signalling and IP networks.

Supplier of revenue assurance and switch testing equipment and systems.

Company sells new and refurbished test equipment, new hand tools and provides training in electronic equipment and test set repairs.

Suppliers of telephone and data communications test and monitoring equipment

Industry's first non-intrusive analyzer for vendor-independent testing of ADSL and ADSL2 networks.

Manufactures and integrates systems using VME, VME64x, VXI, CompactPCI and PXI for the telecommunications, military test and measurement and medical industries.

Protocol test and measurement equipment, monitoring, simulating, load generators and emulator equipment for communication interfaces.

Designs and manufactures intelligent monitoring and control systems, remote and addressable sensors, computer controlled air dryer systems, and pressure and flow transducers.

Supplier of datacom, telcom, air conditioning and power quality test equipment.

Designs, develops and sells ISDN, SS7, V5 and PSTN protocol and traffic analysers for transmissions systems.