SIM (Subscriber Identity Module) cards are essential components for mobile devices, enabling them to connect to cellular networks. They store subscriber information, authentication keys, and network-specific data, allowing users to make calls, send messages, and access data services. SIM cards are crucial for device identification and network access, ensuring secure and personalized mobile communication.
| Model | Type | Size | Contact Pins | Voltage Compatibility | Operating Temperature |
|---|---|---|---|---|---|
| Standard SIM | Full-size | 85.6 x 54 mm | 8 | 1.8V, 3.0V, 5.0V | -25C to +70C |
| Mini SIM | 2FF | 25 x 15 mm | 8 | 1.8V, 3.0V | -25C to +70C |
| Micro SIM | 3FF | 15 x 12 mm | 8 | 1.8V, 3.0V | -25C to +70C |
| Nano SIM | 4FF | 12.3 x 8.8 mm | 6 | 1.8V, 3.0V | -25C to +70C |
