Connect everything, reliable and stable.
Microsecond Electronics specializes in IoT SIM cards and solutions, delivering stable, secure, and efficient connectivity for smart projects at SMEs and state-owned enterprises.
Core Advantages
Years of industry expertise delivering stable, reliable IoT SIM services to our clients.
Carrier Direct Connection
Official Tier-1 Authorization from China's Top Three Carriers. Guaranteed Card Quality. Superior Pricing Plans.
Lifecycle Management
End-to-end services from selection consulting and deployment to operations support.
7×24 Technical Support
Dedicated technical team provides 24/7 support with rapid fault detection and resolution.
Popular Products
View All
eSIM card
4G Standard Data SIM Card - 1GB Monthly Plan
5G Data SIM Card - Monthly Plan 1 GB
4G Standard Data Plan - Monthly 3GB Package
Product Categories
Use Cases
Covers 20+ industries, providing stable connectivity for diverse IoT devices.
About Microsecond Electronics
Microsecond Electronics is a technology service provider specializing in IoT SIM cards and end-to-end IoT solutions. We partner closely with China's three major carriers to deliver stable, secure, and efficient connectivity services for SMEs and state-owned enterprises undertaking smart initiatives.
- ✓Official Tier-1 Authorization from All Three Major Carriers; Guaranteed Card Quality
- ✓Full lifecycle management with 7×24 technical support
- ✓Supports customized solutions to meet special scenario requirements.
News & Updates
View All
What is VPDN? A Detailed Explanation of Enterprise Private Network Access Technology
VPDN (Virtual Private Dial Network), or Virtual Private Dial Network, is an enterprise dedicated network access technology based on dial-up methods. It is widely used in scenarios requiring secure isolation, such as IoT, industrial control, and financial terminals.
2026-09-09
Microsecond Electronics officially launches its next-generation IoT SIM card with fully upgraded connectivity performance.
The next-generation IoT card delivers significant improvements in core metrics such as connection stability, power consumption, and coverage, providing more reliable connectivity for enterprise smart projects.
2026-08-28
IoT connections exceed 10 billion, opening new opportunities in the IoT SIM card market.
According to the latest industry report, global IoT connections have surpassed 10 billion. As a core connectivity medium, IoT SIM cards continue to see growing market demand.
2026-08-20
Need a custom solution?
Tell us your needs, and we'll contact you within 1 business days.
Phone: 075533941128
Email: z@szmiot.cn