The size of a nano SIM card is 12.3 mm x 8.8 mm. The thickness of a nano SIM card is approximately 0.67 mm, which is thinner than the previous generations of SIM cards.
A SIM card (Subscriber Identity Module) is a small, portable memory chip that stores information used to identify a mobile device on a cellular network. It is an essential component that enables the mobile device to connect to the network and communicate with other devices.
The SIM card contains a unique identification number (known as the International Mobile Subscriber Identity or IMSI) that is used to authenticate the user and identify the mobile device to the network. It also stores other information such as the mobile phone number, network authentication keys, and user data.
The SIM card can be easily removed and transferred to another device, allowing users to switch between different devices while retaining their mobile phone number and network authentication information. This feature is particularly useful when upgrading to a new device or when using a temporary phone while traveling.
The three different sizes of SIM cards are standard, micro, and nano. Standard SIM cards are the largest and were commonly used in older devices. Micro SIM cards are slightly smaller and were introduced with the iPhone 4 in 2010. Nano SIM cards are the smallest and were first used in the iPhone 5 in 2012. The smaller size of the nano SIM card allows for more space inside the mobile device for other components.
HKCARD ELECTRONICS CO.,LIMITED
Phone/Whatsapp/wechat:+8615817372512
skype：byron1681
Email：byronhan@cardmfg.com / byronhan1@gmail.com
