SIM card is mainly used for GSM networks, W-CDMA networks and TD-SCDMA networks, but compatible modules can also be used for IDEN phones. Some people use CDMA2000 and cdmaOne RUIM cards and UIM cards, also known as SIM cards, although both are similar and follow all the same mechanical, electrical and partial software standards, but the upper application is not necessarily compatible.
Writable And Readable Plastic Blank SIM Card
SIM card size
SIM size is divided into three types:
Standard card: size 25mm × 15mm × 0.8mm;
Micro Sim: commonly known as small card, size 12x15mm × 0.8mm;
Nano SIM: 12.3 mm x 8.8 mm x 0.7 mm.
Introduce the standard
Full-size (FF): ISO / IEC 7810: 2003, ID-1
Mini-SIM (2FF): ISO / IEC 7810: 2003, ID-000
Micro-SIM (3FF): ETSI TS 102 221 V9.0.0, Mini-UICC
Nano-SIM (4FF): ETSI TS 102 221 V11.0.0
Embedded-SIM: JEDECDesign Guide 4.8, SON-8
SIM card only
SIM card in the GSM system in the application, so that the card and mobile phone separation, SIM card uniquely identifies a customer,
A SIM card can be inserted into any GSM mobile phone used,
And the use of mobile phones generated by the communication fee itself is recorded in the SIM card only identified on the customer account.
SIM card capacity
SIM card capacity of 8K, 16K, 32K, 64K, of which 512k or more large-capacity SIM card collectively referred to as STK card.