Quick definition: PTCRB is a certification program for wireless devices in North America. Established in 1997, the program ensures that devices comply with North American telecommunication standards. PTCRB used to be an acronym for PCS Type Certification Review Board, but the name no longer stands for anything.
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Network Selection Explained
By default, cellular devices connect to “home” network of the provider that issued their SIM cards. Cellular connectivity providers also have strict agreements with other operators in countries their network doesn’t cover, so whenever your device is outside its home network, the SIM card will connect your device to your provider’s preferred partner. (This is what’s known as “steered roaming.”)
What Is C-V2X? Cellular Vehicle-to-Everything Explained
C-V2X is one of the main ways IoT is being used in transportation. It utilizes cellular IoT to enable vehicles to understand and react to their environment in real time. While perhaps the most obvious application is that it enhances automation in driverless cars, it also improves the information drivers have at their fingertips, particularly when it comes to navigation and visibility, and it can simplify toll and parking systems.
What Is a Mobile Switching Center (MSC)?
When a device attempts to access a GSM or CDMA-based network, it connects to the network’s nearest Base Transceiver Station. The Base Station Controller then relays the connection to the MSC, which is part of the Network Switching Subsystem.