Chinese telecom companies have recently announced detailed plans to force all phone users to register their real names and identity card information. In Guangdong province, telecom firms will suspend ...
Renesas Technology of Japan has released a 16-bit microcontroller, the AE4503, for SIM cards of OTA2-compliant mobile phones. OTA2 is a Chinese proprietary standard of GSM. The device has a 16-bit ...
SIM cards have been an integral yet forgettable aspect of owning a smartphone over the past few decades. For most users, the SIM card defines the basic commercial relationship they have with their ...