Programmable SIM Cards for 4G/5G – HKCARD Electronics | Blank, Writable, IoT & Test SIMs
HKCARD Electronics offers high-quality programmable SIM cards for 4G LTE, 5G NR, IoT, and test environments. Compatible with Sysmocom, pySim, and open-source tools, our blank, writable, and custom SIMs support IMSI, Ki, ICCID, OP/OPc, MNC, MCC, and 5G SA applications. Fast delivery, competitive pricing, and 10+ years of expertise.
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HKCARD Electronics: Leading Supplier of Programmable SIM Cards for 4G LTE & 5G Networks
For over a decade, HKCARD Electronics Co., Limited has been a reliable supplier of programmable SIM cards, serving telecom operators, IoT developers, test labs, universities, and MVNOs worldwide. Our blank, writable, and custom SIM cards are designed for 4G LTE, 5G NR, IoT, and testing applications, ensuring seamless compatibility with Sysmocom, pySim, and open-source tools.
Whether you need reprogrammable SIMs, USIM cards for 5G SA, or blank SIMs for IoT evaluation, HKCARD provides high-quality, cost-effective solutions with fast delivery and technical support.
Why Choose HKCARD for Programmable SIM Cards?
✅ 10+ Years of Industry Experience – Trusted by telecom operators, IoT developers, and test labs globally.
✅ Wide Range of Programmable SIM Cards – Supporting 4G LTE, 5G NR, IoT, and test environments.
✅ Compatibility with Sysmocom & Open-Source Tools – Works with pySim, Open5GS, srsRAN, and USIM test solutions.
✅ Customizable & Reprogrammable – Not one-time burn; supports IMSI, Ki, ICCID, OP/OPc, MNC, MCC, and more.
✅ Multiple Form Factors – 2FF, 3FF, 4FF, nano-USIM, and eSIM-ready options.
✅ Competitive Pricing & Bulk Discounts – Ideal for wholesale, MVNOs, and large-scale deployments.
Key Programmable SIM Card Solutions from HKCARD
1. Writable & Reprogrammable SIM Cards
Our blank SIM cards allow full customization of critical parameters, including:
- Writable IMSI SIM Cards (Free programming tools available)
- Writable Ki SIM Cards (Secure authentication for 4G/5G networks)
- Writable ICCID SIM Cards (Unique identification for IoT & testing)
- Writable OP/OPc SIM Cards (For LTE/5G network authentication)
- Writable KEY SIM Cards (Encryption for secure communications)
- Writable SPN SIM Cards (Service Provider Name customization)
- Writable MNC & MCC SIM Cards (Network & country code configuration)
✔ Not one-time burn – Reprogrammable for multiple test cycles.
✔ Compatible with PC/SC tools (e.g., pySim, sysmocom, and open-source stacks).
2. 4G LTE & 5G NR Programmable SIM Cards
- 4G LTE/WCDMA Blank Cards – For VoLTE, IoT, and test environments.
- USIM / LTE SIM Cards – Not GSM-only; supports 4G & 5G networks.
- Programmable 5G SIM Cards – 5G NR 3GPP R16 SA compliant.
- 5G SA 128K SIM Cards – Optimized for standalone 5G networks.
- Custom SIM Cards for 4G LTE & 5G NR – Tailored for MVNOs, IoT, and lab testing.
3. IoT & Evaluation SIM Cards
- IoT/Evaluation SIM Cards – For smart devices, NB-IoT, and LTE-M.
- Blank SIM Cards for Testing – White SIMs, dummy SIMs, and NFC SIMs.
- SUCI SIM Cards – Subscription Concealed Identifier for 5G security testing.
4. Form Factors & Specialized SIMs
- 2FF / 3FF / 4FF SIM Cards – Standard, micro, and nano sizes.
- NFC SIM Cards – For contactless payments & access control.
- CDMA SIM Cards (UIM/RUIM) – For legacy CDMA networks.
- Sysmocom-Compatible SIMs – sysmoISIM-SJA2, sysmoUSIM-SJS1, sysmoISIM-SJA5.
- White Label MVNO SIM Cards – Blank SIMs for MVNOs & resellers.
5. High-Capacity SIM Cards (128K, 256K, 512K)
- 128K USIM Cards – For 4G LTE & 5G testing.
- 256K & 512K SIM Cards – Extended storage for IoT & advanced applications.
Compatibility with Sysmocom, pySim & Open-Source Tools
Many customers rely on Sysmocom SIM cards for LTE/5G testing and development. However, supply chain delays and high costs can be a challenge.
HKCARD offers fully compatible alternatives to:
✔ sysmoISIM-SJA2 (for 4G/5G testing)
✔ sysmoUSIM-SJS1 (for LTE/VoLTE)
✔ sysmoISIM-SJA5 (for advanced 5G SA testing)
Our programmable SIM cards work seamlessly with:
✅ pySim & PC/SC tools (for easy programming)
✅ Open5GS, srsRAN, and other open-source stacks
✅ USIM test solutions in labs & universities
Looking for Sysmocom alternatives? HKCARD provides identical functionality at better pricing and faster delivery.
Who Needs HKCARD’s Programmable SIM Cards?
🔹 Telecom Operators & MVNOs – For network testing, VoLTE, and 5G deployment.
🔹 IoT Developers – For smart devices, NB-IoT, and LTE-M connectivity.
🔹 Test Labs & Universities – For LTE/5G research, USIM testing, and open-source projects.
🔹 Mobile App Developers – For SIM-based authentication & NFC applications.
🔹 Security Researchers – For SUCI, Ki, and OP/OPc testing.
🔹 Parking & Access Control Systems – For NFC SIM-based solutions.
How to Order & Get Support
📞 Contact Us Today!
HKCARD ELECTRONICS CO., LIMITED
📧 Email:byronhan@cardmfg.com
🌐 Website: https://www.cardmfg.com/
📱 WhatsApp/Wechat: +8615817372512
📦 Bulk & Wholesale Orders Available
Fast shipping worldwide! Get sample SIMs before bulk orders.
Frequently Asked Questions (FAQs)
Q1: What is a programmable SIM card?
A programmable SIM card allows users to modify key parameters (IMSI, Ki, ICCID, OP/OPc) for testing, IoT, and network development. Unlike one-time burn SIMs, they can be reused multiple times.
Q2: Are HKCARD’s SIM cards compatible with Sysmocom products?
Yes! Our sysmoISIM-SJA2, sysmoUSIM-SJS1, and sysmoISIM-SJA5 alternatives are fully compatible with Sysmocom tools, pySim, and open-source stacks.
Q3: Can I program HKCARD’s SIM cards with pySim?
Absolutely! Our blank SIM cards work with pySim, PC/SC readers, and other programming tools.
Q4: Do you offer 5G SA SIM cards?
Yes! We provide 5G SA 128K SIM cards compliant with 3GPP R16 for standalone 5G networks.
Q5: What form factors are available?
We offer 2FF (standard), 3FF (micro), 4FF (nano), and eSIM-ready options.
Q6: Can I get custom SIM cards for my MVNO?
Yes! We provide white label MVNO SIM cards with custom branding and programming.
Q7: Do you ship worldwide?
Yes! We ship globally with fast delivery and secure packaging.
Q8: What is the difference between a blank SIM and a writable SIM?
- Blank SIM = No pre-programmed data (fully customizable).
- Writable SIM = Allows modification of IMSI, Ki, ICCID, etc. (reprogrammable).
Q9: Can I use your SIM cards for NFC applications?
Yes! We offer NFC SIM cards for contactless payments, access control, and IoT.
Q10: How do I order in bulk?
Contact us at Whatsapp:+8615817372512 for bulk pricing, samples, and custom orders.
(Programmable SIM Cards for 4G/5G Testing)
“Programmable SIM cards for 4G LTE & 5G NR testing – HKCARD Electronics. Blank, writable, and custom SIMs for IoT, MVNOs, and lab environments.”(Sysmocom-Compatible SIM Cards)
“Sysmocom-compatible programmable SIM cards – HKCARD’s sysmoISIM-SJA2, sysmoUSIM-SJS1, and sysmoISIM-SJA5 alternatives for LTE/5G testing.”
- “Programmable SIM Cards for 4G/5G Testing – HKCARD’s Blank & Writable Solutions”
- “Sysmocom Alternatives: HKCARD’s Compatible SIM Cards for LTE & 5G”
- “5G SA SIM Cards & IoT SIMs – Customizable & Reprogrammable from HKCARD”
- “Blank SIM Cards for MVNOs, IoT & Testing – Fast Delivery & Bulk Pricing”
- “How to Program SIM Cards with pySim – HKCARD’s Guide for Developers”
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Final Call-to-Action (CTA)
🚀 Need programmable SIM cards for 4G, 5G, or IoT?
📩 Contact HKCARD today for samples, bulk orders, and custom solutions!
HKCARD ELECTRONICS CO., LIMITED
📧 Email:byronhan@cardmfg.com
🌐 Website: https://www.cardmfg.com/
📱 WhatsApp/Wechat: +8615817372512
Fast shipping. Competitive pricing. 10+ years of expertise.
