HKCARD: Blank 4G VoLTE ISIM USIM Cards & HID Omnikey 3121 Readers – 100+ Countries
HKCARD Electronics supplies high-quality blank 4G VoLTE ISIM/USIM SIM cards, HID Omnikey 3121 readers, and SIM programmers. RoHS/WEEE certified. Global shipping. Contact us!
https://www.hkcard.com/blank-4g-volte-isim-usim-sim-cards-smart-reader-programming-solutions
HKCARD Electronics: Your Reliable Partner in the Mobile SIM Card Industry Since 2008
In the fast-evolving mobile communication ecosystem, the demand for programmable, high-performance SIM cards and smart card reading/writing solutions continues to surge. At HKCARD Electronics Co., Limited, we are proud to be a globally trusted supplier in the mobile phone SIM cards industry, serving telecom operators, MVNOs, IoT developers, enterprise solution providers, and security integrators for over 15 years.
Our mission is simple: Deliver reliable, certified, and future-ready SIM card and smart card technologies — from blank 4G VoLTE ISIM/USIM cards to HID Omnikey 3121 smart card readers, all backed by industrial-grade quality, RoHS/WEEE compliance, and full technical support.
Why Choose HKCARD as Your SIM Card & Smart Card Solutions Provider?
✅ Industry-Leading Experience – 15+ years of expertise in 4G LTE, 5G-ready USIM, ISIM, and programmable SIM card manufacturing.
✅ Global Certification – All products are RoHS and WEEE certified, ensuring environmental compliance and safety.
✅ End-to-End Solutions – From blank SIM cards to SIM programmers, card readers, and software tools, we cover the full workflow.
✅ Multi-Format Compatibility – Support for 2FF (Standard), 3FF (Micro), 4FF (Nano) and 3-in-1 SIM cards (Micro/Nano/Standard).
✅ Customizable & Programmable – Full control over ICCID, IMSI, ADM, KI, OPC, and mileage-based programming for IoT and M2M applications.
✅ Fast Global Shipping – Trusted by clients in 100+ countries, with express logistics and drop-shipping options.
Our Core Product Lines: Powering the Future of Connectivity
1. Blank 4G VoLTE ISIM & USIM SIM Cards – The Foundation of Modern Mobile Networks
We offer high-capacity, writable, and programmable blank 4G VoLTE ISIM/USIM cards that support 4G LTE, 3G WCDMA, 2G GSM, and 5G-ready architectures. These cards are ideal for:
- MVNOs (Mobile Virtual Network Operators) launching new services
- IoT/M2M devices requiring long-term, secure connectivity
- Enterprise mobility and private LTE/5G networks
- Security applications using ISIM (IP Multimedia Services Identity Module) for IMS and VoLTE authentication
🔹 Product Highlight:
100pcs/lot Writable & Programmable Blank SIM USIM Card
- Supports: 4G LTE, WCDMA, GSM
- Formats: 2FF, 3FF, 4FF (Nano/Micro/Standard) – 3-in-1 design
- Memory: 128K, 256K, 512K options
- Pre-configurable: ICCID, IMSI, ADM, KI, OPC, mileage data
- Use Case: Mass deployment, SIM provisioning, SIM cloning (authorized), IoT batch programming
✅ Perfect for: Telecom labs, SIM provisioning centers, IoT device manufacturers, and security system integrators.
2. HID Omnikey 3121 Smart Card Reader – Industry-Standard Performance
The HID Omnikey 3121 Contact Smart Card Reader (R31210320-01) is a USB 2.0 desktop card reader trusted by enterprises, banks, and government agencies worldwide. We are an authorized distributor and value-added supplier of this two-tone gray, RoHS/WEEE-certified reader.
🔹 Key Features:
- Plug-and-play USB 2.0 interface – Compatible with Windows, Linux, macOS
- Supports ISO 7816 Class A, B, C smart cards
- Ideal for SIM card programming, eID, ePassport, PKI, and secure access
- Robust, durable design – Two-tone gray, compact form factor
- Certified: RoHS, WEEE, CE, FCC, and HID Global compliance
💡 Why it matters: Whether you’re writing IMSI data to blank 4G VoLTE USIM cards or authenticating digital identities, the HID Omnikey 3121 ensures fast, reliable, and secure communication.
3. Complete SIM Card Programming Kit – Write, Test, Deploy in Minutes
We offer all-in-one SIM card programming solutions for developers and operators who need rapid deployment and testing:
🔹 4G LTE SIM Card Reader Writer Programmer Kit
- Includes: 1x SIM programmer (4.1.5 Ver software)
- 5x 128K Blank 4G VoLTE ISIM Cards
- 1x 2G/3G/4G/5G compatible SIM adapter
- Full software suite – Supports IMSI, ICCID, KI, OPC, ADM, mileage programming
- User-friendly interface – No coding required, ideal for non-technical teams
🚀 Perfect for: Testing new SIM profiles, provisioning SIMs for MVNOs, IoT device activation, or field deployments.
Applications Across Industries: Where Our Products Power Innovation
| Industry | Use Case | HKCARD Solution |
|---|---|---|
| MVNOs & Telecom | SIM provisioning, VoLTE activation | Blank 4G VoLTE USIM/ISIM Cards |
| IoT & M2M | Remote device connectivity, eSIM provisioning | Programmable 128K USIM, 3-in-1 SIM |
| Enterprise Security | Employee ID, access control, PKI | HID Omnikey 3121 + SIM cards |
| Government & eID | Digital identity, ePassport, secure login | ISIM cards + Smart Card Readers |
| Retail & Logistics | SIM vending, mobile activation | SIM programming kits |
Certified Quality, Global Reach, Local Support
At HKCARD Electronics, we don’t just sell products — we enable connectivity. Every blank 4G VoLTE ISIM/USIM card and HID Omnikey 3121 reader undergoes rigorous QC testing before shipment. Our RoHS and WEEE compliance ensures your supply chain meets global environmental standards.
We support:
- Bulk orders (100pcs/lot and up)
- OEM/ODM customization (logo printing, pre-programming, packaging)
- Technical integration support (SDK, API, software guidance)
- Drop-shipping and private labeling for resellers
📍 Headquarters: Hong Kong | 🌐 Clients in 100+ countries | 📦 Fast DHL/FedEx shipping
Get in Touch – Let’s Power Your Next Project Together
Whether you need 100 blank 4G VoLTE USIM cards, a HID Omnikey 3121 card reader, or a complete SIM programming kit, HKCARD Electronics is your one-stop solution.
👉 Contact us today:
Best Regards
Byron
HKCARD ELECTRONICS CO.,LIMITED
Whatsapp/wechat:+8615817372512
Skype/Teams：byron1681
Email：byronhan@cardmfg.com
We respond within 2 hours and offer free samples for qualified partners.
- Where to Buy Blank 4G VoLTE ISIM & USIM SIM Cards Online – HKCARD Guide
- HID Omnikey 3121 Smart Card Reader: Full Specs, Price & Where to Buy
- Complete 4G LTE SIM Card Programming Kit for MVNOs & IoT Developers
- RoHS & WEEE Certified SIM Cards & Readers – Why Compliance Matters
- Programmable 3-in-1 Nano Micro SIM Cards – 2FF, 3FF, 4FF in One Card
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Best Regards
Byron
HKCARD ELECTRONICS CO.,LIMITED
Whatsapp/wechat:+8615817372512
Skype/Teams：byron1681
Email：byronhan@cardmfg.com