Specifications

Plug-in SIM Card - Consumer Grade Chip


• Internal Storage | 256 Bytes
•External Storage | 415 Bytes
• Operating Voltage | 1.62V – 5.5V – 5.5V
• Erase/Write Cycles | 100,000
• Data Retention | 10 Years
• Operating Temperature | -20°C – 85°C
 

Plug-in SIM Card - Industrial Grade Chip
 

•Internal Storage | 256 Bytes
• External Storage | 415 Bytes
• Operating Voltage | 1.62V – 5.5V
• Erase/Write Cycles | 500,000
• Data Retention | 10 Years
• Operating Temperature | -40°C – 105°C

SMT SIM Card - Industrial Grade Chip

• Internal Storage | 256 Bytes
• External Storage | 415 Bytes
• Operating Voltage | 1.62V – 5.5V
• Erase/Write Cycles | 500,000
• Data Retention | 10 Years
• Operating Temperature | -40°C – 105°C
 

Manage your card products through our self-developed global cloud platform

IoT SIM FAQ for SIM Cards

  What is the difference between an IoT SIM card and a traditional consumer SIM card?
   IoT SIM cards differ from traditional consumer SIM cards mainly in application scenarios and functions. Traditional consumer SIM cards are generally used in personal mobile phones, supporting voice calls, SMS and data traffic. In contrast, IoT SIM cards are specially designed for IoT devices, focusing on data transmission, low power consumption and long service life. They usually feature higher security, wider network coverage, and support remote management and updates to meet network requirements across multiple countries and regions.

   What sizes are IoT SIM cards available in?

   There are three standard SIM card form factors: 2FF, 3FF and 4FF. Some SIM cards integrate all three sizes on one card, known as 3-in-1 SIM, while others come in a single fixed size.
           2FF (Mini) – 25 mm x 15 mm – the original industry standard SIM form factor, applied to large wireless devices
           3FF (Micro) – 15 mm x 12 mm – around half the size of mini-SIM, commonly used in mobile terminals
          4FF (Nano) – 12.3 mm x 8.8 mm – a newer, smaller form factor to save space for compact wireless devices
 

   How to purchase IoT SIM cards?
    Bolian Xunfei offers diversified solutions for your selection. You can pick the most suitable service matching your business demands from various carriers and data plans. Besides, you can manage all purchased IoT SIM cards on our self-developed global cloud management platform in one stop, including unified configuration, real-time monitoring and billing management.