Category Archives: IoT

Internet of Things

MOBITEK Q25 4G Modem Can Use IP Address instead of COM Port Number

TEST OBJECTIVE TESTING METHODOLOGY TEST RESULT
Can hyper terminal connect to MOBITEK Q25 4G Modem via IP address instead of COM port and run “hyper terminal test“?
  1. Connect MOBITEK Q25 4G Modem  to LAN via LAN port.
  2. Assign IP address to Q25 using USR-TCP232 to be in the same subnet of the LAN. For this example:
    • the gateway is “192.168.10.1”
    • set the IP address for Q25 in this subnet “192.168.10.???”
    • Get the “Module port” of Q25 in USR-TCP232
  3. Run hyper terminal and connect using “TCP/IP (Winsock)”.
  4. Enter the “Host address” and “Port number”
  5. Type “AT” to Hyper Terminal to see if Q25 is responding
  • 860147050425139
  • 860147050425154

MOBITEK Q25 Can Use Internet Application and Send SMS at the Same Time

TEST OBJECTIVE TESTING METHODOLOGY TEST RESULT
Can MOBITEK Q25 connect to internet and send out SMS at the same time?
  1. Connect to internet, refer to https://mobitek-system.com/blog/category/iot/mobitek-q25-4g-modem/
  2. Use hyper terminal  to send out SMS (hyper-terminal test as per QC).
  3. Do not close the COM port in hyper terminal, keep it open (connected). Open web browser and visit www.mobitek.my
 TEST 1

 

TEST 2

USR-VCOM for MOBITEK S80 and MOBITEK Q25 Works in Windows 11

TEST OBJECTIVE TESTING METHODOLOGY TEST RESULT
Does MOBITEK S80’s USR-VCOM (ELTIMA virtual serial port) support Windows 11?
  1. Install  USR-VCOM in VM-Windows 11 :-

  2. Do “Hyper-Terminal” or “AT-OK” test.
 USR-VCOM version = 3.7.1.520
Does MOBITEK Q25’s USR-VCOM (ELTIMA virtual serial port) support Windows 11?
  1. Install  USR-VCOM in VM-Windows 11 :-

  2. Do “Hyper-Terminal” or “AT-OK” test.
 USR-VCOM version = 3.7.1.520

Introducing MOBITEK Q25 4G Modem to Replace GSM Modem for SMS

 

We are pleased to announce our new modem MOBITEK Q25 .

 

MOBITEK Q25 is a 4G Modem for IoT and SMS applications. Used by software developer to develop a SMS gateway, a SMS server, 2 factor authentication, one-time password, alert, notification and messaging solutions.

 

MOBITEK Q25 can replace these GSM modem models:-

 

Key Features

 

For further information, please visit

MOBITEK® Q25 4G Modem for SMS, E-Mail, MQTT & GNSS

 

How to Use MOBITEK Q25 4G Modem as USB Modem for Internet Access

  1. Firstly, install USB Driver for MOBITEK Q25.
  2. Connect antenna to MOBITEK Q25. Use one antenna and connect it to “ANT1” is enough.
  3. Insert SIM card into the SIM card slot of MOBITEK Q25. Make sure the SIM card used has a subscription to internet.
  4. Connect MOBITEK Q25 4G Modem via the USB port.
  5. Open Device Manager and check for COM Port of MOBITEK Q25 4G Modem. The installation of USB Driver of MOBITEK Q25 is successfull if the COM Port of MOBITEK Q25 4G Modem appear in Device Manager. For this example, the COM Port is “COM2”.
  6. Go to the Windows tray located in Windows taskbar.
    • if the PC/laptop is not connected to any network, the icon will be a “globe” icon. Click on the “globe” icon.
    • if the PC/laptop has an active connection, the icon will be a “PC with USB” icon or “network bar” icon. Click on either one.

  7. The TELCO of the SIM card in MOBITEK Q25 4G Modem will popup in the panel. For this example, it is “yoodo (LTE)”. Click “Connect” to connect to the TELCO network.
  8. If it successfully connected, the “network bar” icon will be shown in the Windows tray.
  9. To test the connection, open any browser and enter “www.mobitek.my“. The connection is successful if the page can load without error.
  10. Finally, Windows PC is able to connect to the internet.

For more information about MOBITEK Q25 Modem, visit :-

MOBITEK® Q25 4G Modem for SMS, E-Mail, MQTT & GNSS

 

Introducing MOBITEK WhatsApp Notification Service — Receive WhatsApp Messages Sent from Any of Your System

This service allows you to receive WhatsApp messages sent from any systems.

Here is how it works:-

  • You will be added into a WhatsApp group call “info@mobitek.my”.
  • You can add anyone from your team into this group.
  • Your system will direct e-mail notification to info@mobitek.my.
  • Everyone in the group will receive WhatsApp notification sent by your system.

Note: this service does not support sending images and file attachments via WhatsApp.

Please contact us for a demonstration.

How To Restrict a Device Using MAC Filter

  1. Go to “Firewall” -> “MAC Filter”. In “MAC Filter Mode” section, select “Reject”:-
  2. Under “MAC Filter List”:-
    • if the device is connected to the router, select the device from the dropdown list of “MAC Address”.
    • if the device is not connected to the router, type the MAC address of the device in “MAC Address” section.
  3. Click “+” button then click “Apply” button.

How to Restrict Unintended Incoming Access Using SPI Firewall

MOBITEK EC20 4G router use SPI (Stateful Packet Inspection) Firewall for providing network security.

Go to “Firewall” -> “General”. In “Enable Firewall?” section, click on the button to turn on the firewall:-

Click “Apply”.

How does SPI Firewall work?

“… monitors active connections and checks whether incoming data packets correspond to these connections.
it then decides whether to grant or deny permission for them to pass the firewall.”
source: https://veepn.com/blog/what-is-spi-firewall/

How to Restrict Access Based on MAC Address

MOBITEK EC20 4G router can restrict device (client) based on MAC address but not IP address.

  • The intended device (client) must be connected to MOBITEK EC20 4G router first so that it can appear in the client list of MOBITEK EC20.
  • To check the client list, go to “Network Map” -> click “Client Status” -> check the IP address in “Client List”. Click “Refresh” if the IP address is not in the “Client List”:-
  • To block the device, simply click the “cross icon” that belong to the IP address in the “Client List”:-
  • You will get below popup message. Click “OK”:-
  • The device is now in “Blocked Client List”. Click “Apply” to apply the changes made:-
  • To unblock the device, just click the “add icon” that belong to the IP address in the “Blocked Client List”:-