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UHF RFID Antenna Cable, SMA Male to SMA Male, 5 m (LMR-240 Class, 50 Ω)
Identium

UHF RFID Antenna Cable, SMA Male to SMA Male, 5 m (LMR-240 Class, 50 Ω)

A 5 m, 50 Ω coaxial cable with SMA male connectors at both ends, in the LMR-240 class, for a UHF RFID reader with SMA ports and an antenna a few metres away. Thicker than LMR-195, so a 5 m run loses about as much as 3 m of the thin class.

Price on request

Min. order 1 pieceThe final price for your quantity is confirmed in the quote

  • 7-day replacement · 1-year warranty against manufacturing defects
  • Blue Dart next-day delivery

Key features

  • 50 Ω coaxial cable, SMA male at both ends, 5 m long
  • LMR-240 class: about 0.25 dB per metre at 866 MHz, typical for the class
  • Fits the SMA ports of the IHZ4, IHZ4N, IHZ8 and PoE multi-port readers and the RM26 module
  • For antennas with an SMA female tail; N female antennas take the N to SMA cable
  • Indoor use; mid-length runs across a room or a conveyor
Frequency range
Suited to the 865–868 MHz UHF RFID band; the class is rated well above it

Overview

What the 5 m SMA to SMA antenna cable is for

When the antenna sits a few metres from the reader, across a conveyor, on the far side of a doorway or on the ceiling above a workbench, a 5 m cable in the LMR-240 class keeps the loss down without the bulk of LMR-400. SMA male connectors at both ends fit the antenna ports of the IHZ4, PoE IHZ4, IHZ8 and IHZ4N readers and the RM26 module, and an antenna whose cable tail ends in an SMA female connector, such as the 8 dBi and 9 dBi directional PCB antennas. An antenna with an SMA male tail needs a cable with a female end instead, quoted on request.

LMR-240 against the other classes

Typical loss figures for the classes at 866 MHz are about 0.36 dB per metre for LMR-195, 0.25 dB for LMR-240 and 0.13 dB for LMR-400. Over 5 m that is roughly 1.8 dB, 1.25 dB and 0.65 dB respectively, before connectors. LMR-240 is the usual middle choice: it bends around a cable tray more easily than LMR-400 and loses a third less than LMR-195. Check the effect on your reader and antenna pair in the read-range calculator.

Ordering

Count one cable per antenna port in use. Tell us the reader, the antennas and the measured route length, and we quote the cables with the right connectors; a panel antenna with an N female socket takes the N male to SMA male type. Other lengths are quoted on request through the quote form. All cables, adapters and mounts are listed under RFID accessories.

Where to use the UHF RFID Antenna Cable, SMA Male to SMA Male, 5 m (LMR-240 Class, 50 Ω)

  • Conveyor read points
  • Antennas across a room from the reader
  • Multi-port readers serving several zones
  • Kiosks and cabinets

Specifications

Datasheet (PDF)
Impedance50 Ω
ConnectorsSMA male at both ends
Length5 m
Cable classLMR-240 equivalent (about 6 mm outer diameter, typical for the class)
AttenuationAbout 0.25 dB per metre at 866 MHz, typical for the LMR-240 class: about 1.25 dB for 5 m before connector losses
Frequency rangeSuited to the 865–868 MHz UHF RFID band; the class is rated well above it
ShieldFoil and braid, typical for the class
JacketPVC or PE, typical for the class
UseIndoor

Frequently asked questions

Why not just use the thinner LMR-195 cable for 5 m?
You can, but a 5 m LMR-195 run loses about 1.8 dB at 866 MHz, typical for the class, against about 1.25 dB for LMR-240. On a reader running near its maximum output the difference is small; on a long read zone where every decibel of range counts, the thicker cable pays for itself.
Does this cable fit the PoE version of the IHZ4?
Yes. The PoE IHZ4 keeps the same four SMA antenna ports as the standard IHZ4; only its power input changes. The cable connects the antenna ports, not the Ethernet port.
Can I run it outdoors?
It is listed for indoor use. For an outdoor run to a traffic antenna, use the N male to SMA male cable in the LMR-400 class and weatherproof the N joint at the antenna with self-amalgamating tape or a boot.

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