https://iot-portal.com Development Blog

In the video Michael shows us how the TTS system was developed for the 4G GSM intercoms. This system tells installers what is wrong with the setup and how they should go about rectifying it.

We had a report of the dial-to-open system on a 4G GSM intercom not working periodically using a Vodafone Ireland SIM. Everything else about the unit was working perfectly so we had to investigate. TLDR; it was working fine... perhaps a wiring issue We set about writing some firmware that could log the relevant information and allow us to see what happens within the software from our office in Liverpool. The actual GSM intercom was in another country but that doesn't matter as we can see the inner workings from anywhere. In fact the server we use for it to connect...

Easily Add/Remove Users via Internet Live Entry Log via the Web Wireless Connection using 4G & 5G Network No Expensive Cabling Required Data & SIM Prepaid for 10 Years 4000 Users per Controller Control Days of Week and Time of Day for Each User NB-IoT Model operates Deep Indoors and Underground Can use Existing Readers and Low Cost Tags 5G brings wireless connectivity underground and indoors removing the need for expensive cabling on your door control systems. With minimal data usage we provide prepaid service for 10 years on all major networks globally.Multiple doors can be managed online via the...

The 4G LTE Cat-M1 band and the '5G' NB-IoT band being rolled out with mobile phone 5G bands are the bands the networks intend you to be using for machine-to-machine (M2M) products. They offer the basic level of service required for these products and in return the networks charge very little for using them. NB-IoT is not accessible using mobile phone SIM cards; you need SIM a dedicated IoT to access them. These SIMs won't be connected to the Public Switched Telephone Networks (PSTN) so dial-to-open with your cheap PAYG SIM is not an option on these modern networks. You...