Signal Strength

Value of +CSQ RSSI dBm Condition
2 -109 Marginal
3 -107 Marginal
4 -105 Marginal
5 -103 Marginal
6 -101 Marginal
7 -99 Marginal
8 -97 Marginal
9 -95 Marginal
10 -93 OK
11 -91 OK
12 -89 OK
13 -87 OK
14 -85 OK
15 -83 Good
16 -81 Good
17 -79 Good
18 -77 Good
19 -75 Good
20 -73 Excellent
21 -71 Excellent
22 -69 Excellent
23 -67 Excellent
24 -65 Excellent
25 -63 Excellent
26 -61 Excellent
27 -59 Excellent
28 -57 Excellent
29 -55 Excellent
30 -53 Excellent

Source: http://m2msupport.net/m2msupport/atcsq-signal-quality/

How to Configure Sunix USB-to-Serial Converter in VirtualBox

Applies to these MobiGATE models:

  • SG-4
  • SG-8
  • SG-4-U
  • SG-8-U

 

  1. Goto "VirtualBox -> Settings -> USB -> USB Device Filters". Add new filter.
    Configure Sunix USB-to-Serial Converter-01
  2. Run the virtual machine.
  3. Install the USB driver for Sunix USB-to-Serial Converter (pic).
    Configure Sunix USB-to-Serial Converter-02
  4. Connect Sunix USB-to-Serial Converter to PC. It will create 4 devices “Prolific Technology …” in VirtualBox.
    Configure Sunix USB-to-Serial Converter-03
  5. The “Device Manager” in VirtualBox will also show 4 COM ports “Prolific USB-to-Serial Comm Port” have been added.
    Configure Sunix USB-to-Serial Converter-04

source: https://forums.virtualbox.org/viewtopic.php?f=8&t=42275

Note: If you skip step 1 and do not add a new “USB Device Filters”, instead you configure from "VirtualBox -> Devices -> USB" (Step 4), then there will be an error. “Failed to attach the USB device”.
Configure Sunix USB-to-Serial Converter-05

MOBITEK S80 3G Modem — Send SMS via API and Connect to 3G Network at the Same Time

Problem

Many 3G modems allow you to send SMS via API or connect to 3G network but not both at the same time

 

Solution

MOBITEK® S80 it is a SMS modem and also a 3G modem.

MOBITEK® S80 allows you to do both at the same time — to send SMS via API and connect to your IoT server, cloud server (AWS, Azure) and web server via 3G network.

The pictures below show that MOBITEK S80 is connected to www.mobitek.my (internet) via U Mobile 3G network and at the same time, is able to send out SMS via MOBITEK SMS API.

MOBITEK S80 SMS Modem to Use SMS API and to Access Internet via 3G-03AirCard Watcher-05

 

More Information

 

How to Configure MOBITEK S80 SMS Modem to Use SMS API and to Access Internet via 3G at the Same Time

  1. Goto “AirCard Watcher -> Setting -> Messaging -> Routing option”  and select  “Circuit Switched”.
    MOBITEK S80 SMS Modem to Use SMS API and to Access Internet via 3G-01
    MOBITEK S80 SMS Modem to Use SMS API and to Access Internet via 3G-02
  2. After you have set to “Circuit Switched”, you can use MOBITEK SMS API and access internet via 3G at the same time.
    MOBITEK S80 SMS Modem to Use SMS API and to Access Internet via 3G-03
  3. Note that AirCard Watcher (through Sierra Wireless AirCard HSDPA Modem) uses different COM port, in this example, it is using COM port number 3.
    MOBITEK S80 SMS Modem to Use SMS API and to Access Internet via 3G-04

 

How to Use AirCard Watcher to Connect MOBITEK S80 3G Modem to 3G Network

  1. First, install AirCard Watcher.
  2. Insert SIM card into MOBITEK S80 3G Modem and connect it to PC or laptop.
  3. A new modem in “Device Manager” will appear — “Sierra Wireless AirCard HSDPA Modem”.
    AirCard Watcher-01
  4. Run AirCard Watcher.
    AirCard Watcher-02
  5. AirCard Watcher will automatically detect the MOBITEK S80 3G Modem and show the name of TELCO. In this example, it is “U Mobile”. It will also show “3G”.
    AirCard Watcher-03
  6. Click “Connect” button to connect to 3G network. If successfully connected then the red signal bar will turn to green and the “Connect” button will change to “Disconnect”.
    AirCard Watcher-04
  7. Try accessing the internet via a web browser. AirCard Watcher will show the upload and download speed (refer to red box).
    AirCard Watcher-05
  8. To check data usage, click on the “meter” icon (red box)
    AirCard Watcher-06

How to Set-Up MOBITEK S80 3G Modem in Linux Running in VirtualBox

Note: if you are NOT using VirtualBox, then you may skip step 1.

  1. Map the COM Port of Modem (COM3 in this tutorial) to COM1 (or any COM port n umber) in VirtualBox. If this step is missed, then MOBITEK S80 will not response in CuteCom or Putty (terminal).
    MOBITEK S80 3G Modem in Linux Running in VirtualBox-01
  2. To check if MOBITEK S80 is connected to the USB port, type “lusb”. It will show MOBITEK S80 Modem as “Sierra Wireless, Inc. MC8700 Modem”.
    MOBITEK S80 3G Modem in Linux Running in VirtualBox-02
  3. But in this  VirtualBox (virtual machine), MOBITEK S80 is connected under “Serial Ports” (as per step 1) and not under “USB” of the VirtualBox. To check which serial port is MOBITEK S80 Modem connected, type in “dmesg | grep tty”. In this example, it shows “ttyS0” which is COM1 that was set in step 1 above.
    MOBITEK S80 3G Modem in Linux Running in VirtualBox-03
  4. Run CuteCom. Select “/dev/ttyS0” in device and click Open device. Then type the AT command.
    MOBITEK S80 3G Modem in Linux Running in VirtualBox-04

How to Set-Up MOBITEK S80 Modem in VirtualBox

  1. Connect modem to host OS.Open VirtualBox, go to the setting of your virtual machine.
    How to Set-Up MOBITEK S80 Modem in VirtualBox-01
  2. Go to Serial Ports and set the setting as below:
    • Enable Serial Port.
    • Set Port Number: “port number inside the guest OS”
    • Port Mode: Host Device
    • Path/Address: “port number of modem that is connected to host OS”. Click OK
      How to Set-Up MOBITEK S80 Modem in VirtualBox-02
    • note: if this step is skipped, hyper terminal will have no response if connected to the “Sierra Wireless AT Command Port”
  3. Run the virtual machine.
    How to Set-Up MOBITEK S80 Modem in VirtualBox-03
  4. Go to device manager in VirtualBox to check the COM Port. In this example, the MOBITEK S80 Modem that is connected to the host machine in COM port 6 is mapped to COM port 1 in VirtualBox.
    How to Set-Up MOBITEK S80 Modem in VirtualBox-04
  5. In VirtualBox, the application must use COM port 1 instead of COM port 6.

How to Change the IP Address of MobiGATE Using “update.exe”

  1. Run the program “upgrade.exe”. Download from here …
  2. Click “search all device” to find IP address of MobiGATE.
    Change the IP Address of MobiGATE-01
  3. Optional: click “connect to device” if want to connect to MobiGATE.
  4. If found, it will show a list of MobiGATE with IP address.
    Change the IP Address of MobiGATE-02
  5. Select MobiGATE (192.168.10.88).
  6. Click “Temporary change IP address”.
    Change the IP Address of MobiGATE-03
  7. Insert temporary IP address (192.168.10.98) and click OK.
    Change the IP Address of MobiGATE-04
  8. The new temporary IP address will be updated on the list.
    Change the IP Address of MobiGATE-05
  9. Now access the web menu of MobiGATE via web browser using the temporary IP address (192.168.10.98)
    Change the IP Address of MobiGATE-06

    • Note: the MobiGATE’s IP address is still remain at the old address of 192.168.10.88
    • using “update.exe” to set a temporary IP address is temporary only, it will revert back to its old IP address after you power off the MobiGATE
    • you need to continue, using the web menu “serial port server” to permanently change the IP address according to our guide

VCOM Showing “Connected” Then “Disconnected”

Issue: VCOM shows “Connected” then “Disconnected”.

Applies To:

  • MobiGATE Model SG-B-8-L-W
  • SMS Engine version 5 and 6

Cause:

  • if any modem does not have a SIM card inserted and engine is started, the engine  will try to initalise the modem, VCOM shows “Connected”
  • when the initialisation fails, VCOM shows “Disconnected”
  • refer video clip below, Modem ID 2 (COM port no. 17) has a SIM card inserted with blue LED blinking, but others do not have any SIM cards, only Modem ID 2 stays “Connected”, others will show “Connected” then “Disconnected”