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Manufacturer and global supplier
of temperature data-collecting
devices used for documenting
products throughout the cold
chain. ISO 9001:2008 certified.


Cold Chain Solutions

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•RF Wireless Temperature Data Loggers

rf module

USB, RS232 or Ethernet Base Stations

for Communicating with
Wireless RF Temperature Data Loggers

Certified Safe Storage

RF Module Specifications The Manufacturer Reserves the Right to Change Specifications Without Prior Notice
Call for Pricing  
General Frequency   902-928 MHz
Spread Spectrum FHSS (Frequency Hopping Spread Spectrum)
Modulation   FSK (Frequency Shift Keying)
Supported Network Topologies Peer-to-Peer ("Master/Slave relationship not required), Point to Point, Point to Multipoint and Multi drop
Channel Capacity   Ten hop sequences share fifty frequencies
Encryption 256-bit AES Encryption
Performance   9600 bps
Indoor Range Up to 450m (1500')
Outdoor Range   RF line of sight Range; Up to 1 mile (1.6 km) with dipole antenna
RF Data Rate 9600 bps
Computer Interface   RS232 serial port, USB or Ethernet Base Stations
Receiver Sensitivity -110 dBm -100 dBm
Power Requirements   110-240V 50/60Hz AC Adaptor
Physical Properties 6.99cm x 13.97cm x 2.86cm (2.75" x 5.5" x 1.125"; Weight: 200g (7.1oz); Power Requirements (Supply voltage and TX currents relative to each TX Power Output option) Supply Voltage 2.8 - 5.5 VDC 3.0 - 5.5 VDC 4.75 - 5.5 VDC
Certifications   FCC Part 15.247 Industry Canada (IC)

For more information:

Download a PDF of the EDL-RF2 Product Brief.
Download a PDF of the EDL-M5 Product Brief.
Download a PDF of the EDL-RF2 Quick Start Guide.

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Follow this link for information on the EDL-RF2 & EDL-M5 Software

Note: Actual performance of the edl-RF system varies in each environment. Marathon strongly recommends the evaluation of the product in the actual environment of the application. Marathon publishes specifications typically experienced by our customer instead of publishing theoretical performance characteristics.

   rev. Nov-12-2014