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How to measure your mobile signal and choose a repeater

by Mr Administrator
How to measure your mobile signal and choose a repeater

How to measure your mobile signal and choose the right repeater

GSM, 4G and 5G repeater for boosting mobile signal

This guide shows you how to measure mobile signal strength at your premises and work out the network's operating frequency (band) .

You need both before you can choose the right GSM, 4G or 5G repeater for your home, office or business.

✓ Measuring signal strength
✓ Identifying the band
✓ Choosing the right system

Before you start measuring

  • Go outside to the spot where the external antenna is likely to be mounted.
  • Turn off Wi-Fi and Wi-Fi Calling.
  • Turn mobile data on.
  • Make sure the phone is using the SIM of the operator you want to boost.

How is signal strength judged?

Signal strength is measured in dBm. The closer the figure is to zero, the stronger the signal. For example, -80 dBm is better than -105 dBm.

Signal strength Rating What it means
-80 dBm or better Very good Strong outdoor signal
-81 to -100 dBm Acceptable Worth assessing a boosting solution
-101 to -105 dBm Weak Needs careful technical assessment
-106 dBm or lower Very weak May need a more powerful or specially designed system

Measuring the signal on an iPhone

  1. Dial the code *3001#12345#* and press call.
  2. In Field Test Mode, go to: LTE → RsrpRsrqSinr.
  3. Find the RSRP reading and note the value in dBm.
  4. To find the frequency, go to: RAT → Serving Cell Info → Band Info.
  5. Take a screenshot showing both the RSRP and Band.
Please note: The names and positions of these options in Field Test Mode can differ with the iOS version, the iPhone model and the operator.

Reading RSRP and band in the iPhone's Field Test Mode

Measuring the signal on Android

The Network Cell Info Lite app for Android

Install the Network Cell Info Lite.

app.

  1. Move to the spot where the external antenna will be mounted.
  2. Open the app and wait a few seconds for the readings to appear.
  3. Note the signal strength in dBm and the connection's frequency or band.
  4. Take a screenshot.

Send us your readings

Send us the RSRPvalue, the band and a screenshot, and we will recommend the most suitable solution.

Contact form Contact us on Viber 2310 944 433
One important clarification These readings are the first stage of a technical assessment; on their own they do not guarantee a particular level of coverage. The final choice of equipment also depends on floor area, layout, building materials, the number of storeys and the outdoor signal available. Mobile repeater systems must be installed and operated in line with the current regulatory framework and EETT requirements.

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