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However, it’s a little bit more complicated to calculate. Most iPhone users can find their RSRQ measurement through Field Test Mode.Īnother indicator of signal quality is your signal-to-noise ratio (SNR or S/R). Such apps aren't available in the Apple store. Android users can measure signal quality using apps like Network Cell Info and LTE Discovery.

The closer you are to 0, the better your connection. Results will vary across devices and carriers. They are cellular signal quality estimates. RSRQ typically ranges from 0 dB (high quality) to -20 dB (poor quality). Since there is limited 5G signal quality information, we will be focusing on 4G. SS-RSRQ (Synchronization Signal Reference Signal Received Quality) defines 5G NR signal quality. The quality of your cell signal is expressed as RSRQ (Reference Signal Received Quality) and measured in dB (Decibels) for 4G. Visit our guides for signal strength measuring instructions and app recommendations: How to Read Cell Signal Strength Though, it doesn't work for all Apple devices. iPhone user, on the other hand, can only measure RSRP via Field Test Mode. The closer you are to -50 dBm, the stronger your cell signal.Īndroid users can easily measure their signal strength through their phone settings or with an app. Generally, 4G signal strength ranges from -50 dBm (great signal) to -120 dBm (extremely poor signal). While you could measure signal strength with bars, dBm readings are much more accurate. With 5G being so new, there’s not much information available on how to measure its strength. SS-RSRP (Synchronization Signal Reference Signal Received Power) defines 5G NR (New Radio) signal strength.

Barriers (Trees, Mountains, High-Rise Buildings)Ĭell signal strength is measured in dBm (decibel-milliwatts) and reported as RSRP (Reference Signal Received Power) for 4G.

Common culprits that influence mobile connectivity include: Anything that interferes with the waves affects both signal strength and quality. What Affects Signal Strengths and Quality?ĥG, 4G, and LTE signals are nothing more than radio frequency waves traveling to and from cell sites and devices.

It’s possible to have good signal strength but poor signal quality, and vice versa. Those with strong cellular signal have an easier time placing calls, sending texts, and accessing the internet. Signal strength, on the other hand, refers to the strength of the signal your device receives from the tower or small cell. Less noise allows for clearer calls and faster data speeds. For Commercial What’s the Difference Between Signal Quality and Signal Strength?Ĭellular signal quality represents how much interference exists between your device and tower or small cell.