Offical Singapore Modems & Hardware Distributors
100% Compatible with Singapore Telcos 4G Band : Singtel, Starhub, M1
100% Compatible with Windows 11
Fort Digital SMS 4G Modem Kit (8 in 1) 100% Singapore Telcos Compatible (RS232 Serial / USB / RS 485 / RS422 / STM485 / DB9)
Whether you use it to receive SMS alerts from your UPS, water pump, server, water meter, fridge, or countless other appliances, it delivers reliable and robust connectivity 24/7, all year round.
100% Compatible with Singapore Telcos 4G Band :
Band 3 (1800 MHz), Band 7 (2600 MHz), Band 8 (900 MHz), Band 40 (2300 MHz), Band 1 (2100 MHz), Band 28 (700 MHz). Compatible Telcos: Singtel, M1, Starhub, Zero1, CM Link, Gomo, MyRepublic, Circle Life, Giga, RedOne, Heya. Not Compatible: TPG/Simba. Compatible Machines or Software: All that support AT commands. Network Support:
LTE (4G): FDD LTE: B1, B3, B7, B8, B20, B28A, TDD LTE: B38, B40, B41, UMTS (3G): B1, B8, GSM (2G): 900, 1800 MHz
One Kit Set Consist of: 1 4G Modem to host sim card, 1 4G Antenna, 1 Safety Mark Power Adaptor (12V), 1 RS232 Serial to USB (with driver) Cable, 1 RS232 Serial to RS485/ RS422 Adaptor, 1 Serial Male to Male Converter, 1 Serial Female to Female Converter, 1 Female to Female Serial Cable Extension. Modem Size: Width ±5cm x Height ±8cm x Depth ±1.5cm (smaller than credit card size), Antenna Size: ±11cm, Weight : ±200gr
100% Return / Exchange Policy + 1 Year Warranty:
We understand the concern about purchasing a product that may not be compatible with your machine, which is why we offer a 3-day, 100% return and refund policy for your peace of mind. If you’d like to try a different model, you can also exchange it for one of our other options.
Varities of Models
We have many different models designed for different use cases and applications, as there is no single device that suits all requirements. Please contact us to consult with our team, and we will advise you on the most suitable solution for your specific needs.
Gas/Water Detectors, Refrigerators, UPS, etc
Fort Digital Terminal can be connected to various devices such as gas detectors, water leakage detectors, refrigerators, UPS systems, water pumps, and any other equipment that provides dry contact or 5V–30V relay output. When an event occurs and the contact or relay is triggered, the terminal will immediately detect the signal and automatically send out SMS alerts to the predefined mobile numbers.
Preset Mobile Numbers –
No Server – 100% Standalone
All mobile numbers are pre-configured directly inside the Fort Digital Terminal itself, without the need for any local server, cloud platform, or additional external devices. This standalone design ensures higher reliability, faster response time, and continued operation even when other systems or networks are unavailable, also less failpoint.
Advance Scripting
Fort Digital can further customize and program advanced scripting logic based on your specific operational requirements. For example, in a real live case study, once a gas detector sends a signal to the terminal, the system first sends an SMS alert to Group 1. If none of the recipients replies “OK” within 120 seconds, the system automatically escalates the alert by sending an SMS to Group 2, and if there is still no acknowledgment after another 120 seconds, the alert is finally sent to Group 3, ensuring proper escalation and accountability.
MODBUS, MQTT, SNMP, RMS, GRE, IPsec, PPTP, Wireguard, L2TP, SNMP
Name it and we can configure it. We support and can set up almost all commonly used protocols in the market, including MODBUS, MQTT, SNMP, RMS, GRE, IPsec, PPTP, WireGuard, L2TP, and many more.
3 Times Exchange
We offer 3 different sets of 4G modems, each with its own merits, advantages, and disadvantages. When you purchase from us, we give you the flexibility to exchange for another set if the one you chose doesn’t suit your needs. You can exchange up to 3 times within a week, ensuring you find the best modem for your machine or application. The warranty remains the same: a 1-year warranty with a 1-to-1 exchange policy.
Test Singtel & M1 Network
Here is a video demonstrating our hardware’s compatibility with Singtel and M1 networks using AT Command.
1 / 8 / 16 / 32 / 64 Ports
1 / 8 / 16 / 32 / 64 Ports
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