Modem
Modulate and demodulate analog signal.
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Product
Ground-Based Satcom Amplifiers, Modems & More
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Modems for Small-to-Medium Sized Networks Where Security is of Utmost Importance.
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Product
HART Modem
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HART® technology is an accompaniment to many of Analog Devices’ tailored industrial 4 mA to 20 mA converters. HART technology offers a complementary mode of communication to 4 mA to 20 mA that provides additional information in the form of remote diagnostics and system troubleshooting where it can be used to enhance the safety integrity level rating of a system. ADI offers a family of HART modems and 4 mA to 20 mA converters that can be used together to realize a robust, accurate, and HART Foundation registered solution.
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Product
RS-232/RS-485 Converter
ECD485
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Deploy sub-metering sites and simple metering networks with ease using the EDMI MiniHub RS-232 to RS-485 converter.1/4 Load RS-485 modules allow for up to 128 devices over 1.2km of wired daisy-chain network, with each meter capable of becoming the Network Master and remotely connecting to a backhaul system via an integrated EDMI Modem Port redirect connector.
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Product
Telephone, Exchange & DSLAM Tester
ETET 30
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Exchange, Line, Phone, ADSL/VDSL DSAM test, Modem detection.
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Product
PreEqualization Analyzer
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Quickly locate upstream impairments. See micro-reflections and group delay. Find issues like microfractures, reverse splitters, corroded connectors and bad wiring. Display modems being impacted by a common impairment. Save time and money. Reduce truck rolls. Lower maintenance costs. Increase operational efficiency.Improve customer satisfaction Benefit from pre-equalization without masking problems Find and fix problems before they impact customers
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Product
2 PRI + 8 Port FXS PSTN Simulator Adv
CH-8FXS-MOD-2PRI-A
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One of the most feature rich PSTN simulator on the market. Unit has 8 analog phone lines (FXS) making it a perfect tool for testing VoIP gateways, IVR, V.90 modems, RAS servers, audio conference bridges or anything that requires analog phone lines. 2 port T1/E1/PRI module provides non-blocking switching among FXS ports and any of T1/E1/PRI B-channels or Time slots.
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Product
Analog or Digital Communications Switching Systems with D Type Connectors
RS Series
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The RS Series computer controlled switching systems are designed to switch multi-wire groups of signal up to 25 wires. These systems are typically used for signals such as parallel TTL, RS232, RS422, WAN or modems, but can also be used for any group of analog or digital signals having a bandpass up to 30 MHz or a data rate up to 20 Mbps.
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Product
Industrial GSM MODEM
QSM-26
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Infinite Industrial Informatics Lt
QSM-26 is a DIN rail mount GSM/GPRS MODEM. The unit has a built in Quad Band (850/900/1800/1900MHz) Sierra Wireless Q2687 modem, 2 digital inputs, 2 power relay outputs and a serial RS-232 port. Special AT commands are implemented for TCP/IP based communications.
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Product
Digital TV Spectrum Analyzer
DS2831
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Fast Spectrum Analyzer: detect and troubleshoot ingress with exceptional sensitivity of -60dBmV @ 300KHz RBW. Color-Coded Persistence Test: find transient noise hiding under upstream bursty signaling, without disrupting service. MER Measurement: up to 47 dB MER with 48 hours of statistical recording with 1 second resolution. Analog TV and SC-QAM: troubleshoot typical analog interference and distortions as well as SC-QAM performance. Time-Domain EVS Measurements: uncover interference from LTE signals under downstream QAM carriers with no service interruptions.Characterize OFDM carrier performance and DOCSIS 3.1 cable modem performance.
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Product
Cable Plant Monitoring
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Promptlink Communications, Inc.
Cable Plant Monitoring (CPM) is a real-time network device management tool for your DOCSIS network. CPM handles all of your DOCSIS cable modems, Wireless CMs, eMTA and Cable Modem Termination Systems (CMTS) along with monitoring fiber nodes. This allows you to readily see network problems, troubleshoot customer access issues, and easily deal with difficult management efforts, including upgrading CPE firmware on a very large scale.
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Product
Highly Accurate And Robust LBL Acoustic Positioning Systems
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PinPoint LBL acoustic positioning systems utilize the same core Broadband Acoustic Spread Spectrum technology used in LinkQuest's other industry leading acoustic communication and positioning products. The PinPoint systems use sophisticated and proven acoustic ranging techniques simplified from the PMGS/HPMGS systems with accuracy of better than 0.5 cm. LinkQuest LBL systems are integrated with the high speed acoustic modems and TrackLink USBL tracking systems.
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Product
Network Traffic Generator
LANforge FIRE
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LANforge FIRE generates network traffic at various speeds with the ability to monitor packets for throughput and correctness. LANforge FIRE sits on the edge of your network and tests your network core. Useful for testing any network, and especially cost effective for efforts requiring many data-generating ports, such as DSL, Cable-Modem, and Satellite modems.
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Product
Long Baseline (LBL) Systems
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Teledyne Benthos offers a full line of subsea acoustic communication based products that can be configured in many different ways, including into Long Baseline (LBL) positioning systems.Benthos modems and acoustic releases can be set up as transponder nodes, either fixed or mobile, that can be used to calculate range between any one node and the others. The distance between the transponders is usually hundreds, if not thousands, of meters, hence the name Long Baseline. With the inclusion of telemetry, a network can adapt to changing transponder positions to provide greater operational flexibility.
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Product
4 Port Phone Line Simulator (FXS) Adv
SIM-4FXS-A
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This unit has 4 analog phone lines (FXS) making it a perfect tool for testing VoIP gateways, IVR, modems, access servers, audio conference equipment or anything that requires phone lines. Telephone line simulator acts like a "telephone company in a box" providing dial tone, ring voltage and all advanced phone line features such Caller ID, Call Waiting, Call Hold, Three Way Calling and many others.
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Product
XDSL Testers
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GAOTek offers a wide range of xDSL testers that are specifically manufactured to meet the requirement of xDSL testing, along with ADSL, ADSL2, ADSL2+, READSL, and VDSL for sale to the United States, Canada and Globally. They are mainly used by field operators for telecommunication installation, troubleshooting of xDSL network and maintenance. xDSL testers not only tests the physical structure but also evaluates whether the line is fit for xDSL service and consider the quality of service. The devices can be operated in “ATUR+PC” simulation without any external ADSL2+/VDSL2 modem or computer as they can be easily operated by digital multi-meter. These devices evaluate line quality, carry out PPPoE dial-up, suggest web page browsing to determine the connection to the ISP, and emulates a PC+ modem. These testing devices also help with PING, IP config, route and tracert tests. Moreover, these devices can also function as a computer for examining broadband IP lines or begin a PPPoE dial-up to determine IP network connection and troubleshooting a computer or modem issues.
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Product
4 Port RS-232 & 4 Port RS-422 Interface cPCI Card
GX3904
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The GX3904 is an 8-port, cPCI asynchronous communications interface board supporting (4) RS232 and (4) RS422 signal levels. The four RS232 ports offer a full set of data and modem control lines configured for DTE operation. The four RS422 ports offer differential signaling and support DTE operation. Each RS422 differential pair is terminated by a 150 parallel resistor. An optional transition cable is available to convert the front panel SCSI connector to (8) DB-9, D-sub connectors.
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Product
Datalogger IO-Expander
IOX-370
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The I/O Expander takes as a central component of Immission measuring station the calculation of averages, controlling function controls and saving data. The raw data are analog, serial or read in via Ethernet. Automatically when certain events occur, a message by SMS or e-mail will be sent. The transmission of measurement data in the control center is via a modem or network. For configuration and visualization software IOVIS Lite is included. Furthermore, the stored values can requested with the integrated Web interface from any browser.
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Product
DAS / 4G LTE Power Dividers, Combiners
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INSTOCK Wireless Components, Inc
INSTOCK Wireless offers wideband RF power divider / combiners optimized for DAS (Distributed Antenna System), 3G, and 4G LTE modem gateway splitting applications. INSTOCK cell-band and DAS splitters are commonly used for in-building wireless (IBW) network deployments. Available in 2-way thru 48-way configurations spanning 698-2700 MHz with exceptional performance. Type N, SMA, TNC, BNC, and QMA connector configurations INSTOCK.
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Product
- RS-422 and RS-485 Lightning/Surge Protector
Model 22NX
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FEATURES: Triple Stage Protection; Fast Response Time For RS-422 / RS-485; Prevents Damage to Modems, Converters, and Terminals; Accommodates Data Rates to 10 MBPS; Supports 4 Circuits. The Model 22NX Lightning Sponge is designed to accommodate high-voltage transients, slow them down and redirect them to a low impedance path to earth ground.
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Product
RS-232, RS-422, or RS-485 to Fiber Optic Line Driver
Model 8277
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The Model 8277 is a unique asynchronous fiber optic modem whose optical interface can operate in either point to point or ring (daisy chain) configurations and whose electrical interface can also operate in point to point or multi-drop configurations depending on the user selected interface.
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Product
PCI Express 16-Port RS-232 Serial Interface
7161e
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The 7161e provides sixteen RS-232 serial ports capable of data rates to 460.8K bps. Each RS-232 port implements all modem control signals for maximum compatibility with a wide range of peripherals. The board is PCI Express X1 compliant and utilizes 16C854 UARTs to provide 128-byte Tx/Rx FIFOs for maximum reliability in data intensive applications.
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Product
Modems
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Radio modems provide reliable, long-range wireless communication for a variety of industrial and commercial applications. Designed to transmit data over radio frequencies, these devices enable seamless communication between remote systems, equipment, or control centers without the need for physical cabling. Whether you're operating in challenging environments or across vast distances, radio modems ensure robust and secure data transmission, making them ideal for industries like transportation, utilities, agriculture, and mining. Available in various frequency bands, power outputs, and configurations, radio modems support multiple protocols and are built to withstand harsh conditions. Explore our range of high-performance radio modems to enhance your wireless network capabilities today.
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Product
Satellite Communications
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Honeywell Aerospace Technologies
Our satellite communications solutions offer passengers and flight crew reliable voice, fax and high speed data communications throughout the world. Our multi-channel satellite communications systems offer 2 to 7 classic Inmarsat (Aero H, H+ and I) connection to the ground providing simultaneous, independent voice calls, faxes and/or modem transmissions worldwide. These systems provide first-call connection with the clarity and uninterrupted signal of a digital office telephone.
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Product
Modem
CODA-47
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Hitron Americas Technologies Inc.
The CODA-47 is an intelligent device that enhances its basic data transmission features with IPv6 support, which makes it especially suitable for the transmission of data based on this protocol.
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Product
2 Port T1/E1/PRI + 8 Port FXS PSTN
CH-8FXS-MOD-2PRI
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One of the most feature rich PSTN simulator on the market. Unit has 8 analog phone lines (FXS) making it a perfect tool for testing VoIP gateways, IVR, V.90 modems, RAS servers, audio conference bridges or anything that requires analog phone lines. 2 port T1/E1/PRI module provides non-blocking switching among FXS ports and any of T1/E1/PRI B-channels or Time slots.
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Product
GPS Modules
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A GPS module is a receiver that uses signals from satellites to determine location and time, while a GPS modem is a more complete device that combines a GPS receiver with a modem (like a GSM or cellular modem) to send that location data over a network.
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Product
Software for Jazz® and M90™/M91™ - All-in-One OLC and HMI Applications in One Environment
U90 Ladder
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All-in-One software enables you to:- Develop your PLC and HMI applications in one environment- Configure Hardware & Communications- Establish modem and data communications- Test and debug your programs
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Product
Power Quality Analyzers
APQM-702/APQM-703
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It can be powered from the L phase.It is intended for use in virtually all types of networks from 64 V to 760 V directly, with special consideration for measurements on low-voltage poles, due to its ease of connection.It has an independent power supply and is therefore particularly suitable for measurements outside of voltage transformers. It can also be adapted for measurements on DC voltage systems.Real-time remote configuration and data transfer (GPRS) using a built-in GSM modem
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Product
Automatic Meter Reading Unit
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Signals & Systems India Private Limited
SANDS make of AMR Modem SAM-1101 is a smart electricity meter reading device that can be connected to any make of electronic energy meter by means of optical/ RS232 port, which is compliant to DLMS – IEC 62056-21 standard. The electricity meters measuring energy consumption can be located in either consumer premises or in distribution transformers. The modem draws its power from the meter terminal block and connects to the communication port of the meter. Thus this add-on energy meter reading system is non-intrusive and can be retrofitted easily to any meter. The Electricity Meter Reading device uses GSM/GPRS communication technology and has built-in intelligence to talk to the DLMS meter. AMR system is compatible with 4G network to push the power consumption-billing data, load survey data, and event data to a cloud-based server, with fallback options to 3G & 2G.
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Product
Modem Modules
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Pre-assembled electronic components that integrate a cellular chipset with other necessary hardware, like a processor, memory, and power management, to provide connectivity for devices.





























