Lantronix G520 G520 User Guide - Page 56

7: Status Cellular Status The Cellular section provides the status of the SIM cards inserted in the unit. Parameters Cellular Data Signal Strength Network Status Operator Name Operator Number Operator Type Roaming Status SIM 1/SIM 2 Status Active SIM IMSI Configured Band Registered Band Temperature ICCID Table 7-2 Cellular Status Overview Description Displays the cellular data connection status.  CONNECTED - Data communication is connected.  DISCONNECTED - Data communication is not connected. Displays the current signal strength. The signal strength range is 0 to 32.  0: -113 dBm or less (none)  1: -111 dBm (poor)  2 to 30: -109 to -53 dBm (fair to good)  31: -51dBm or greater (excellent) Note: Signal strength for a good cellular data connection must be 12 or above. Displays the registration status of the unit on the current cellular network.  Registered  Not Registered Name of the cellular operator in use Number of the cellular operator in use Operator type The roaming status of the unit:  Home  Roaming  N/A Displays the availability of SIM card in SIM card slot.  Error - SIM card is not inserted.  READY - SIM card is inserted. Displays the active SIM, SIM 1 or SIM 2. Displays the International Subscriber Identity (IMSI) number. In case of UMTS, it is read from the SIM card. The IMSI is a 15 digit unique mobile number associated with the cellular network and used to acquire the details of the mobile for identifying the user of a cellular network. The configured radio frequency bands The registered radio frequency band Internal temperature of the unit in degrees Celsius Integrated Circuit Card ID (ICCID) - unique serial number that identifies the SIM card. G520 Series IoT Cellular Gateway User Guide 56