Railroad Communications

With a variety of configuration options and an extensive network of manufacturing partners, JEM has become a quality standard among railroads.​

Our Railroad Products

JEM began its collaboration with the railroad industry with the introduction of the JEM Radio in 2004. Since then we've expanded our portfolio to include an array of communications equipment and peripherals, designed explicitly for the modern locomotive.

• Ancillary Card Cage
• Antenna Farm
• Cab Imaging Camera
• Radio
• XTR

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JEM Ancillary Card Cage
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The JEM ACC is a communications command and control system. The ACC can be configured with your choice of numerous modules to perform a variety of communications functions.

• Data router and information management
• 2 processors (router, back office)
• Windows and Linux capability
• Business Apps:
  • Watt meter
  • Loco health parameters
  • Event recorder
  • Fuel / Economy
  • PTC GPS location authority
  • Control systems
• WIFI download and upload
• Remote troubleshooting and data analysis
• Cell coverage ATT, Verizon
• mSATA data storage
• 74 V power supply
• - 40 to +80 C operating temp

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JEM Antenna Farm

The JEM Antenna Farm is a roof-mounted antenna grouping and spacing system. The Antenna Farm also serves as a cable management receptacle, providing one entry point into the locomotive.

• Improved ground plane
• Optimized location and spacing for signal strength and frequency interference
• One entry point through roof
• Ease of maintenance / upgrade
• Filter bank for improved isolation
• LMR 400 UltraFlex (reduced line loss improved isolation) custom lengths
• Integrated enclosure (antennas, cables, filters and hardware)
• Functionality: voice radio, digital cell, 220 MHz radio, ACC 802.11, DP, HOT EOT, PTC GPS, Spec 200, ER downloader, OEM GPS

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JEM Cab Imaging Camera

​The JEM Cab Imaging Camera (CIC) is a cab-facing cell phone detection and cab recording device.

• Records only if an event is detected.
• Day and night operation
• Adjustable gain and attenuation.
• 180 degree high resolution with IR.
• One camera covers the entire cab.
• Standard and custom cabling.
• Real-time remote programming.

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​JEM Radio II

The next generation of our popular JEM Radio. The JEM Radio II has increased hardware durability, enhanced firmware/software, and more customization options than ever before.

• ​Ethernet: GPS, locomotive ID, real-time remote download, text messages, customizable features.
• Configurable: audio, menus, volume, brightness, lock out mode, talk groups, 16-bit features.
• Recessed key pad, new RAN and Menu buttons.
• One piece or 2 piece configuration.
• Can support dual heads.
• Improved display, mic, and speaker.
• Can configure to operate like our JEM I, for ease of training.
• Remote diagnostics via virtual control head.
• Bluetooth and headset compatible.

JEM Radio II Operation Guide
File Size:	3688 kb
File Type:	pdf

Download File

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JEM Radio II Software Guide
File Size:	1721 kb
File Type:	pdf

Download File

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JEM Radio I (Discontinued)

The JEM Radio is a clean cab radio which is designed to function as a one piece or a two piece radio. The JEM Radio I has all of the form fit and function of the AAR requirements.

• Reliable voice communication, conventional or trunking.
• One-piece or two-piece JEM Radio configuration.
• Programmable option to disable 25 KHz in year 2013.
• Programmable HOME numbers.
• Programmable PLL tones.
• ICOM or Kenwood core radio.​

6.25 kHz Digital JEM Radio I User Guide
File Size:	498 kb
File Type:	pdf

Download File

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JEM Radio I Configuration Tool
File Size:	27 kb
File Type:	zip

Download File

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12.5 kHz - 25 kHz JEM Radio I User Guide
File Size:	581 kb
File Type:	pdf

Download File

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JEM XTR III

​Keep your Pull-back Stop Protection zones (PSP) safe and in-spec more quickly and safely than ever. The XTR III is a lightweight RCL Transponder (Puck) diagnostic reader for all current Pucks on the market.

​Because of its light-weight design, employees of all abilities can easily scan pucks while remaining clear of the track. Some current Puck readers weigh as much as 20 lbs; ours is less than 3 lbs. Its light weight also means faster and safer movement through the yard in all weather conditions.

The XTR III reports Transponder ID number, Active/Non-active status, battery strength, GPS location and signal strength. Improve yard safety, fuel consumption and PSP zones by providing the latest in Yard RCL Transponder diagnostics.

Features

• Weighs less than 3 lbs
• Provides multiple diagnostics
• Reads all pucks
• Compact and easy to use
• Comes with carrying case for storage and protection
• USB charging
• Location logging for tag reads
• Reads a wide variety of tag formats

Compatible Tag Types

• AAR S-5702 6-bit ASCII
• AAR S-5702 128-bit format code 0x33 railcar tags
• Union Switch and Signal Digitrac and compatible transponders