The signal strength of those cellular waves in a specific location, such as outside your house, inside your apartment, or on your commute to work, are measured in dBm, which are always displayed as negative numbers. They’re AM/FM radio waves, the kind that are great at traveling long distances but are easily interrupted, leading to spotty service – that’s where a cell phone signal booster or repeater can come to your rescue.
More specifically, decibel milliwatts (dBm) – a value used to denote an exact power level unit expressed in decibels with respect to one milliwattĬell phone signals are measured in dB. Who's telling the truth? Can these phone manufacturers be trusted? So, How Can I Get Accurate Cell Signal Readings?įortunately, there's a better way to measure your cell phone signal and that's by looking at decibels (dB) – a logarithmic signal unit used to quantify the ratio between two power levels.
SMART PHONE ANALYZER FULL
Each carrier or phone manufacturer can determine what one, two, three, or full bars represent for their service or device. Plus, using 3G or 4G LTE makes no difference, either.Īs you can see, there's no standard. One bar on T-Mobile might be three bars on Verizon, two bars on Sprint, or full bars on AT&T - despite having the EXACT same signal and performing at the EXACT same speeds. They're subjective across all carriers and networks. Commercial The Truth About Cell Phone Bars
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