Programmable Blank SIM Card / USIM for 4G LTE, WCDMA, and GSM 3-in-1 2FF + 3FF + 4FF | White Dual-Module or Single Module | HKCARD ELECTRONICS CO.,LIMITED / HKCARD

1. Product Overview

The programmable blank SIM card from HKCARD ELECTRONICS CO.,LIMITED / HKCARD is designed for telecom operators, device makers, testing labs, and authorized IoT projects.

This SIM card supports:

• 4G LTE
• WCDMA / UMTS
• GSM
• USIM / ISIM programming
• 3-in-1 form factor
• IMSI, KI, OPC, ACC, and Class 15 writing

It is supplied as a blank card, ready for later personalization. The card is intended for professional use where SIM data must be written before deployment.

2. Main Features

This SIM card is built for flexibility and compatibility.

Key points:

• Type: Programmable SIM card / USIM / ISIM
• Condition: Blank, for later personalized writing
• Color: White, gray, or other custom request
• Form factor: 3-in-1
  • 2FF Mini-SIM
  • 3FF Micro-SIM
  • 4FF Nano-SIM
• Execution: Single module or dual-module version
• Compatibility: Smartphones, modems, LTE routers, M2M, and IoT devices

For projects that need one card body for multiple device types, the 3-in-1 SIM card is a practical choice.

3. Supported Network Standards

This programmable SIM card works with common cellular standards:

• GSM (2G)
• WCDMA / UMTS (3G)
• LTE / 4G

That makes it suitable for:

• legacy device support
• mixed network environments
• global testing
• telecom trial projects
• industrial communication devices

If your project uses different network layers during testing and rollout, this card helps keep the process simple.

4. Writable Parameters

The card supports parameter programming for common telecom fields.

Writable and editable items:

• IMSI
• KI
• OPC
• ACC
• Class 15

These fields are used in telecom personalization and secure access workflows.
HKCARD can supply blank cards, or program cards based on your authorized data and project requirements.

5. Form Factor: 3-in-1 SIM Card

The 3-in-1 SIM card design is one of the most useful features for projects with different devices.

Includes:

• 2FF — Mini-SIM
• 3FF — Micro-SIM
• 4FF — Nano-SIM

This reduces inventory pressure and avoids the need to stock three separate SIM card types.

Common use cases:

• smartphones
• LTE routers
• modems
• M2M gateways
• IoT terminals
• field devices

6. Dual-Module or Single Module Version

This product can be supplied as:

• single module
• dual module
  • two independent modules on one card

A dual-module card is useful for specialized telecom and testing workflows where two modules are needed in one card body. If your project requires a special chip layout, HKCARD ELECTRONICS CO.,LIMITED / HKCARD can discuss the right structure before production.

7. Memory and Security

A programmable SIM card must be stable, secure, and durable.

Memory and protection:

• Memory type: EEPROM
• Access protection: PIN / PUK
• Authentication algorithm support: MILENAGE / COMP128
  • depending on firmware and project setup

Physical reliability:

• Operating temperature: -25 °C to +85 °C
• Data retention: not less than 10 years
• Rewrite cycles: ≥ 100,000
• Durability: resistant to vibration, humidity, and mechanical wear

These features make the card suitable for lab testing as well as practical deployment environments.

8. Compatible Devices

This programmable blank SIM card works with a wide range of devices:

• smartphones
• LTE modems
• industrial routers
• M2M communication units
• IoT devices
• embedded cellular modules

It is especially useful for customers who need:

• flexible SIM personalization
• stable network testing
• operator-controlled deployment
• multi-device compatibility

9. Why Choose HKCARD

HKCARD ELECTRONICS CO.,LIMITED / HKCARD focuses on practical SIM card supply for telecom and device projects.

Customers choose HKCARD for:

• blank SIM card supply
• personalized SIM writing support
• 3-in-1 SIM format options
• dual-module or single-module designs
• support for LTE, WCDMA, and GSM environments

If you already have your SIM data prepared, HKCARD can help with writing and card setup. If you only need blank cards, HKCARD can supply them directly.

10. Typical Applications

This programmable blank USIM is commonly used in:

• telecom operator testing
• network validation
• SIM personalization projects
• IoT device provisioning
• modem and router testing
• M2M pilot projects
• secure enterprise deployments

It is a good fit when card flexibility and consistent performance are important.

11. Product Summary

Specifications:

• Product Type: SIM card / programmable USIM
• Condition: Blank
• Mode: 4G LTE SIM blank card
• Capacity: suitable for telecom personalization workflows
• SIM Size: Standard SIM, Micro SIM, Nano SIM
• SIM Slot: 2FF, 3FF, 4FF
• Feature: writable ICCID, IMSI, KI, OPC, PUK, PIN, ADM
• Compatible Standards: GSM, WCDMA, LTE
• Application: telecommunications, testing, M2M, IoT, and modems

12. Contact HKCARD ELECTRONICS CO.,LIMITED / HKCARD

For pricing, sample request, or technical discussion, contact HKCARD:

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

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