User Manual

MAN4005-04-EN GPRS / GSM MODEM Configuration PAGE 25
4.4 Signal Strength
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GSM/GPRS signal strength value is updated in 16bit long register. The 16bit long value consists of 2 fields as below:
o Bit 1 to 8 represents Bit Error rate
Possible values are
Value 0 to 7
value 99(63h): Not known or Not detectable.
o Bit 9 to 16 represents Received Signal Strength Indication
Possible values are
0 : -113dBm or less (Very Poor signal Strength)
1 : -111dBm or less (Poor signal Strength)
30(1Eh) : -109 to -53 dBm (Good signal Strength)
31(1Fh) : -51dBm or greater (Very Good signal Strength)
99(63h) : Not known or Not detectable.
Page 25 of 62 ECN # 956