1. Product Overview

The Writable Programmable Blank USIM Card (4G LTE / WCDMA / GSM) from HKCARD ELECTRONICS CO.,LIMITED (HKCARD) is designed specifically for telecom operators, MVNO providers, system integrators, and IoT solution companies.

This blank USIM card supports Milenage algorithm authentication, ensuring secure network access and seamless integration into LTE and legacy mobile networks. The card is fully programmable and compatible with industry-standard SIM personalization systems.

Each package contains 5 high-quality blank USIM cards, supporting multiple SIM form factors in a single design.

2. Key Features & Technical Specifications

✅ Network Compatibility

• 4G LTE
• 3G WCDMA
• 2G GSM
• Backward compatible with multi-network environments

✅ Multi-Size SIM Format (All-in-One)

• 2FF (Mini SIM)
• 3FF (Micro SIM)
• 4FF (Nano SIM)

This triple-cut design ensures compatibility with virtually all mobile devices, including smartphones, tablets, M2M modules, and IoT devices.

✅ Milenage Authentication Support

• Standard 3GPP authentication algorithm
• Secure operator-level implementation
• Suitable for commercial telecom deployment

✅ Programmable & Writable

• Fully customizable IMSI, Ki, OP/OPc
• Compatible with SIM personalization equipment
• Ideal for testing, deployment, and production environments

3. Applications

The blank programmable USIM cards from HKCARD ELECTRONICS CO.,LIMITED are widely used in:

📡 Telecom Operators

• Commercial subscriber provisioning
• SIM lifecycle management
• LTE/VoLTE deployments

📶 MVNO Providers

• Custom network branding
• Flexible IMSI configuration
• Rapid subscriber onboarding

🌍 IoT & M2M Solutions

• Smart meters
• GPS trackers
• Industrial routers
• Remote monitoring devices

🧪 R&D and Testing Environments

• Network testing labs
• SIM application development
• Authentication algorithm verification

4. Why Choose HKCARD ELECTRONICS CO.,LIMITED?

HKCARD ELECTRONICS CO.,LIMITED (HKCARD) is a professional manufacturer specializing in SIM cards, USIM cards, programmable smart cards, and telecom solutions.

🌟 Our Advantages:

• Strict quality control & stable chip supply
• Telecom-grade production standards
• Global shipping support
• OEM & ODM customization available
• Fast technical response

We understand operator-level requirements and provide secure, reliable, and scalable SIM card solutions tailored to your business needs.

This product supports search queries such as:

• Writable USIM card supplier
• Programmable 4G LTE SIM card
• Blank USIM card with Milenage
• Telecom operator SIM manufacturer
• Multi-size 2FF 3FF 4FF SIM card

By structuring this content clearly with technical specifications and application scenarios, it improves visibility for Google indexing and AI-driven recommendation systems.

6. Packaging Information

• Product: Writable Programmable Blank USIM Card
• Network: 4G LTE / WCDMA / GSM
• Authentication: Milenage
• SIM Format: 2FF / 3FF / 4FF
• Quantity: 5 pcs per pack
• Manufacturer: HKCARD ELECTRONICS CO.,LIMITED (HKCARD)

7. Contact HKCARD ELECTRONICS CO.,LIMITED

For pricing, bulk orders, technical specifications, or OEM customization:

HKCARD ELECTRONICS CO.,LIMITED
📧 Email: byronhan@cardmfg.com
🌐 Website: https://www.cardmfg.com/
📱 WhatsApp / WeChat: +86 158 1737 2512

We welcome telecom operators, distributors, and system integrators worldwide to cooperate with HKCARD.

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