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8.3. GSM Gateway status
The GSM Gate status provides you with all technical information’s corresponding to SIM card in GSM Module 1 and
GSM module 2.
Frequency Channel:
GSM network channel number - GSM frequency connected to BTS.
Channel 0 - 124 are used for GSM 900 and channel 512 - 885 for GSM 1800.
Signal Strength, BCCH strength:
GSM Signal force (Is related with Antenna position)
o -113 to -99 dBm: very bad signal - it is impossible to use any GSM network services.
o -98 to -83 dBm: bad signal - you can send SMS messages. Since level -87dBm you can establish voice
connection
o -82 to -71 dBm: good signal - you can send SMS messages and make calls. Data transmission CSD is not
reliable
o -70 to -51 dBm: very good signal - you can use all services of GSM network without any restriction.
Country Code, Network Code, Area Code:
Country Code N°, Provider Network N°, where SIM card is logged
Cell ID:
BTS number, where GSM module is registered.
IMSI:
International Mobile Subscriber Identity
GSM Firmware version:
SW version for GSM part.
