Network Test Equipment

(288 companies)
Network test equipment is used to test, probe, and analyze telecommunication, network and telephone systems.

Phone Jacks and Plugs

(194 companies)
Phone jacks and plugs are connectors used with telephones. They are also known as modular jacks (female) and modular plugs (male).

IC Modems

(42 companies)
IC modems enable computers to transmit data over telephone lines or via wireless signals.

Fax Machines

(11 companies)
Fax machines are used to send and receive documents that are transmitted as a stream of audio data over a telephone line.

VoIP and IP Telephony

(406 companies)
VoIP and IP telephony allows PC users to make phone calls over the Internet or other packet networks via gateways and standard telephones.

Phone Switchboards

(54 companies)
Phone switchboards are used for routing telephone calls and adding advanced features to telephone systems.

Network Modems

(429 companies)
Network modems (modulators-demodulators) are devices or programs that allow computers to transmit data over telephone lines. They convert digital computer data to analog sound waves and then demodulate the carrier signals to decode the transmitted information.
Modular connectors and RJ connectors includes two similar, yet distinct styles of connectors. Modular connectors are made of "plug-in units" which can be added together to make the system larger, improve the capabilities, or expand its size. Registered Jack (RJ) is a telephone and data jack application specific connector registered with the FCC.

Tantalum Capacitors

(155 companies)
Tantalum capacitors are used in smaller electronic devices including portable telephones, pagers, personal computers, and automotive electronics.

Headsets

(244 companies)
Headsets are designed to hold earphones to a user 's head for radio or telephone communications. They include transducers and a transmitter, and are designed to receive audible signals from a source such as a portable media player or audio amplifier. Often, headsets are bundled with microphones for two-way communication. The main benefit of headsets is that they let users listen privately, and make it easier to hear in noisy environments.
Single phase surge suppressors protect equipment from transient overvoltages present on AC single phase power lines.
...method of shunting overcurrent, most often a metal oxide varistor (MOV). If the devices ground connection is solid, the suppressor will be capable of handling most transients. Three Stage. More advanced surge suppressors designed for protection against...

Cellular Modems

(46 companies)
Cellular modems are special types of modem used to modulate analog signals, such as telephone signals, to be transmitted using cellular networks. The modulated signal is used for phone or data communication with smart phones and similar device
PCMCIA modems and PCMCIA fax modems enable computers to transmit data over telephone lines. They include modem-only devices, modem and fax combinations, and fax/modem products with networking capabilities.

Auto Dialers

(15 companies)
...electrical wires or telephone cables. Wireless auto dialers use electromagnetic waves instead. With both types of auto dialing devices, the alarm signal is delivered to a telephone, cell phone, fax machine, pager, and/or computer. Some auto dialers...