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Laird ConnexLink CL4490-1000 (Paired Set)


Laird ConnexLink CL4490 Features

  • Durable industrial-grade enclosure
  • Transmits around corners, through walls
  • Point-to-point and point-to-multipoint setups
  • Extremely cost effective
  • Up to 20 mile range
  • Simple cable replacement
  • Options for 910 MHz and 2.4 GHz

The Laird ConnexLink CL4490 stand-alone radio modules offer hassle-free setup, facilitating users in eliminating cables between RS232 connections within minutes. Moreover, their versatility and affordable price position them as an ideal choice for swiftly transitioning wired terminals to wireless operation across industrial, commercial, and residential settings.

Powered by either a 125mW 2.4GHz radio or a 1000mW 900MHz radio, these compact units boast high portability, making them suitable for both mobile and fixed installations. Additionally, optional software enables customized configurations to precisely meet specific user requirements.

Furthermore, ConnexLink employs a proprietary communication protocol for secure local data transmissions, ensuring reliability even over distances of up to 20 miles (32 km) line-of-sight with the 900MHz version. Operating on license-free frequency bands further enhances their usability, as these modules are ready for immediate use without requiring additional certification.

Moreover, with their seamless cable elimination through wireless link replacement, ConnexLink radio modules effectively simplify connectivity challenges. Coupled with a full one-year warranty accompanying each unit, users can experience peace of mind regarding their investment.


 Weigh scales

 Process control

 Kiosks and POS

 Data logging

 Electronic signs


Input: 7 to 18 VDC
Output: 5 to 1,000 mW variableFrequency Band:
902 to 928 MHz


Standard: RS-232
ConnexLink PRO: RS-485

Serial Interface Data Rate:
Up to 115 to 200 kbps

Current Draw (at 12 VDC):
RF -Standard Connexlinks: 400 mA
Pro: 325 mA TX, 20mA RX

Power Supply:
AC transformer via 6 ft cable (183 cm)Electrical Requirements:
Line voltage 100 to 120 V; frequency 50/60 Hz
(240 V outside the US)

32 selectable channels

1-byte system ID, DES

-99dB at full RF data rate

Range (line-of-sight):
Up to 20 miles (32 km)Dimensions:
4.75 × 2.75 × 1.17 in
(121 × 70 × 30 mm)

Temperature Range:
-40 °F to 176 °F (-40 °C to 80 °C)
Humidity (non-condensing):
10% to 90%

<6 oz (<170 g)

Antenna Connector:
Reverse polarity SMA jack (female)

4.75 × 2.75 × 1.17 in
(121 × 70 × 30 mm)

Complete Set Includes

2 AC Adapters

2 DB9 6ft Cables

1 Server Radio

1 Client Radio

2 Antennas



Additional information

Weight7 lbs
Dimensions10 × 10 × 10 in


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