Robustel GoRugged M1000 User Manual

Robustel GoRugged M1000 User Guide
RT_UG_M1000 Standard_v.2.0.0 20.12.2013 44 / 83
Confidential
Center unless it the modem cannot read it from the SIM Card.
2. Click “Read” to refresh the “Network” and “Rx Level” status.
Values of received signal strength (RSSI)
Value of received signal strength indication (RSSI)
Interpretation of the received signal strength
0 to 12
Insufficient or weak
13 to 19
Average
20 to 31
Good
99
No signal
Note: RSSI should remain higher than 12 to create/accept GSM CSD data calls or establish a GPRS connection. Users
can only transmit/receive by SMS (short message) if the RSSI is less than or equal to 11.
A better way of verifying the RSSI signal (instead of using the Modem Configuration) is to check the “SIGNAL” LEDs on
the front panel directly. See 2.2 LED Indicators for more information.
Antenna selection guide
Value of received signal strength indication (RSSI)
Antenna selection
0 or 1
GSM/GPRS is not good solution in the area
1 <RSSI≤12
Select antenna gain > 10 dBi
12 <RSSI< 20
Select antenna gain > 3 to 5 dBi
≥21
Select antenna gain > 0 to 3 dBi
3.2.17 Init. String
User could enter the initial string in the text input box.
The preset Init. String will take effect under “Normal Mode”.
Note: Maximum 39 characters for each initial string.

Robustel GoRugged M1000 Specifications

General

Brand	Robustel
Model	GoRugged M1000
Category	Modem
Language	English