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Antennas and signal

How to get a strong, stable mobile signal to your router: MIMO, omni-directional and directional antennas, cable loss, mounting and signal readings. The single biggest improvement most installations can make.

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Most poor router performance is a signal problem, not a router problem. A router in a metal cabinet, a plant room or the back of a building can lose most of the available signal. Putting an antenna outside, higher up and pointed the right way often turns a slow, unreliable connection into a fast, stable one.

MIMO antennas carry two or four antenna elements in one housing, matching the two or four connectors on modern 4G and 5G routers. Omni-directional antennas receive from every direction and suit towns and vehicles. Directional antennas are aimed at one mast and reach further in rural areas. Every metre of coax cable loses signal, more so at 5G frequencies, so keep runs short or move the router outside instead.

Readings help: RSRP tells you signal strength and RSRQ or SINR tells you quality. Our signal analyser article explains how installers survey a site. Browse 5G antennas, 4G antennas and antenna cables, or the Fullband and Poynting hubs.

Talk to an M2M and IoT connectivity specialist. Not sure which technology fits your project? Tell us what you need to connect and where, and our UK team will recommend the router, antenna and SIM, with pre-sales advice, after-sales technical support and a range of configuration options.

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Questions

Will an antenna make my router faster?

If the router currently has weak signal, usually yes, often dramatically. If it already has strong signal where it sits, an antenna adds little.

How long can the antenna cable be?

As short as possible. For 5G aim for 5 m or less; for 4G, 10 m is usually acceptable. For longer runs, an outdoor router fed by one Ethernet cable avoids the loss.

In the glossary: Antenna gain (dBi)Directional antennaMIMOOmni-directional antennaRSRPRSRQ and SINRSMA and TS9

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