He decided to go with the low-cost SIM800L GSM modem, but as it only works on 2G networks, provisions have been made in the board design to swap it out for a more modern module should you desire.

For that price, lots of people have had the opportunity to explore the module itself, and [marcrbarker] shows some of the extra, unadvertised, features it has. Acting as a GSM module that can send ...

This is the second part of designing the world’s smallest phone - Indus Phone, where the UI is integrated with the basic ...

One is a low-power module, intended for battery-powered devices, while the other is more advanced and can be used for smart ...

👍Support WIFI and GSM dual network(you can use GSM if there is no WIFI, The WIFI only can work with 2.4G, not work with 5G), Different alarm status: away arm, home arm, delay arm and timely arm ...

This sewer drain shield system, combining ultrasonic sensors, GSM modules, nets, and PVC pipes, reduces debris entering ...

The Kompakt’s physical appearance also embraces the minimalist aesthetic, with a scaled-down, 4.3-inch-tall touchscreen. The ...

(Subscriber Identity Module lock) A function in GSM cellphones that restricts the phone's use to a particular cellular carrier identified by a SIM card. SIM locks are used to ensure subscribers ...

In addition to the standard PSTN connection, the SD3 also has an integral, full-function GSM module enabling it to use any of the standard mobile phone networks. The SD3 accepts all standard SIM cards ...

This physically attractive and cleverly engineered dash cam covers the two-channel bases and can be upgraded with LTE/cloud ...

The deals cover most Xiaomi gadgets and are a mix of discounts and bundles. The first round of Xiaomi Black Friday deals ends ...