Direct from 3 Carriers · IoT Connectivity · Stable & Reliable

IoT SIM Card
New Era of IoT Connectivity

Integrating network resources from China Mobile, China Unicom and China Telecom, covering all 2G/3G/4G/5G standards

Flexible plans and intelligent management platform to help enterprises quickly realize IoT connectivity

3 Carriers
Full Coverage
10M+
Cards Issued
99.9%
Availability
100K+
Enterprise Clients
Free Trial View Pricing

Six Application Scenarios · Across All Industries

Suitable for various IoT device connectivity scenarios, meeting communication needs across industries

Vehicle Networking

In-vehicle navigation, remote control, fleet monitoring
Real-time data transmission for driving safety
Nationwide roaming, cross-region coverage

Car NavigationRemote ControlFleet Management

Smart Wearables

Smart watches, health bands, tracking devices
Low power design for extended battery life
Supports eSIM embedded card form factor

Smart WatchHealth MonitoringGPS Tracking

Security Monitoring

Video surveillance, remote alarms, access control
High-bandwidth transmission, clear and smooth video
24/7 stable connectivity

Video SurveillanceRemote AlarmAccess Control

Smart Energy

Smart meter, water meter, gas meter remote reading
NB-IoT low-power technology, 10-year battery life
Scheduled data reporting, reducing manual costs

Remote MeteringEnergy MonitoringSmart Energy

Financial POS

Mobile POS terminals, self-service kiosks, ATMs
Financial-grade encrypted transmission
Real-time transaction sync, ultra-low latency

Mobile POSSelf-Service TerminalFinancial Security

Smart Agriculture

Environmental monitoring, smart irrigation, greenhouse control
Temperature, humidity, light, and soil data collection
Precision agriculture, cost reduction and efficiency improvement

Environmental MonitoringSmart IrrigationPrecision Agriculture

Why Choose Baichuan Cloud IoT SIM Cards

📡

Three-Network Coverage

Integrating China Mobile, China Unicom, and China Telecom. Auto-selects optimal signal, eliminating single-carrier coverage blind spots

💰

Flexible Billing

Monthly, quarterly, and annual billing options with shared data pools. Low data plans from just 1 RMB/month, pay as you go

🛡️

Secure & Reliable

Dedicated APN channels with encrypted data transmission, isolated from public networks. Stable operation in extreme temperatures (-40°C to 85°C)

⚙️

Smart Management

Unified management dashboard with batch activation, real-time monitoring, anomaly alerts, auto-renewal, and API integration with your systems

Flexible Plan Options

Pay-as-you-go pricing for diverse business scenarios

Plan Type Monthly Data Range Network Use Case Billing
Low Data 30MB - 300MB NB-IoT / 2G Smart metering, environmental sensors, asset tracking Monthly / Annual
Medium Data 500MB - 10GB 4G CAT1 / 3G Vehicle OBD, POS terminals, shared devices Monthly / Quarterly
High Data 10GB - 100GB 4G CAT4 / 5G Video surveillance, vehicle navigation, multimedia Monthly / Shared Pool
Ultra High Data 100GB+ 5G HD video transmission, Industrial IoT Shared Pool / Custom

* Contact customer service for the latest pricing and customized solutions

Frequently Asked Questions

What is the difference between IoT SIM cards and regular phone SIM cards?
IoT SIM cards are specifically designed for IoT devices, different from regular phone SIM cards. They use dedicated APN channels with encrypted data transmission for greater security; support more flexible data plans and bulk management; can operate in extreme temperatures (-40°C to 85°C); and support embedded (eSIM) form factors suitable for embedded devices.
Which network standards do IoT SIM cards support?
Baichuan Cloud IoT SIM cards fully support all 2G/3G/4G/5G network standards, covering China Mobile, China Unicom and China Telecom. Supporting CAT1, CAT4, NB-IoT and other communication modules to meet different bandwidth, power consumption, and coverage requirements. Auto-selects the optimal network for nationwide coverage.
How are IoT SIM cards billed?
Baichuan Cloud IoT SIM cards support multiple billing options: low-data monthly plans, medium-data quarterly plans, high-data annual plans, and shared data pool models. Low data plans start from just 1 RMB/month, with high data plans available on demand. Multi-card shared data pools let you pay only for what you use, reducing overall enterprise communication costs. Contact customer service for tiered pricing.
How to manage and monitor IoT SIM cards?
Baichuan Cloud provides a unified intelligent IoT SIM management platform:
① Batch activation/deactivation without individual operations;
② Real-time data usage monitoring with visual trend dashboards;
③ Anomaly alerts: data overage, device offline, signal issues detected automatically;
④ Auto-renewal: set thresholds for automatic top-up to prevent service interruption;
⑤ Open API interfaces for seamless integration with your business systems.
What card form factors are supported?
Baichuan Cloud IoT SIM cards support multiple form factors:
① Standard plug-in cards (2FF/3FF/4FF), suitable for POS terminals, vehicle devices, etc.;
② Embedded chips (eSIM/MFF2), solderable, suitable for smart wearables and industrial equipment;
③ Industrial-grade high-temperature resistant cards for outdoor/extreme environments. Choose the right card type based on your device requirements.

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