The minimum value acceptable for network operation is RSSI = -85 dBm. RSSI (Received Signal Strength Indicator) is an indicator of the signal power level received by the modem. A negative or close to zero values LTE connection is impossible to establish, or it will be deficient in speed and quality. NOTE: Important! The higher the CINR value, the better the signal quality.Ī negative CINR value will mean more noise in the received signal than the effective signal. The minimum value acceptable for stable network operation: CINR = 10 dB. The CINR value is measured in dB.Ī positive CINR value means that there is a more effective signal than noise. To measure the signal quality, pay attention to the 'Signal (CINR / RSSI)' values.ĬINR (Carrier to Interference + Noise Ratio), also called SINR (Signal to Interference + Noise Ratio), is the ratio of the signal level to the noise level (or simply the signal to noise ratio). On the 'System dashboard' page in the 'Internet' section, you can see the current status of the LTE connection.Ĭlick 'More details' to display more information. = 20 dBĞxcellent Strong signal with maximum data speedsġ3 dB to 20 dB Good Strong signal with good data speedsĠ dB to 13 dBğair to poor Reliable data speeds may be attained, but marginal data with drop-outs is possible.Keenetic routers with a built-in 4G/3G modem ( Keenetic Hero 4G and Runner 4G models) or a USB port to connect external USB modems allow you to connect to the Internet via a mobile operator's network. When this value gets close to -20, performance will drop drastically 15 dB to -20 dBğair to poor Reliable data speeds may be attained, but marginal data with drop-outs is possible. 10 dB to -15 dB Good Strong signal with good data speeds = -10 dBĞxcellent Strong signal with maximum data speeds When this value gets close to -100, performance will drop drastically 90 dBm to -100 dBmğair to poor Reliable data speeds may be attained, but marginal data with drop-outs is possible. 80 dBm to -90 dBm Good Strong signal with good data speeds >= -80 dBmĞxcellent Strong signal with maximum data speeds
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