• HKCARD | Reliable Programmable 5G/4G SIM Card Manufacturer & Sysmocom Alternative
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•  HKCARD ELECTRONICS, a 10+ year SIM card supplier, offers writable IMSI/Ki SIMs, programmable 5G SA R16 SIMs, blank/white label MVNO SIMs, and Sysmocom-compatible cards. Buy bulk SIMs with pySim support today!
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• programmable-sim-cards-5g-4g-sysmocom-alternative
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HKCARD ELECTRONICS: Trusted Programmable SIM Card Manufacturer for 5G, 4G LTE & IoT Solutions

HKCARD ELECTRONICS CO.,LIMITED is a leading SIM card manufacturer with over 10 years of expertise in the mobile phone sim cards industry. We specialize in delivering high-quality, customizable SIM card solutions for telecom labs, MVNOs, IoT deployments, and enterprise clients. Our product portfolio covers every need—from writable test SIMs to fully programmable 5G standalone (SA) cards, and we serve as a reliable Sysmocom alternative for teams seeking better availability and competitive pricing.

Our Comprehensive Range of Programmable & Custom SIM Cards

Writable & Re-Programmable SIM Cards

We offer a full line of non-one-time-burn SIM cards that support writable IMSI, Ki, ICCID, OP/OPc, KEY, SPN, MNC, and MCC parameters. These re-programmable SIM cards are ideal for network testing, MVNO provisioning, and custom network setups.

5G & 4G LTE USIM Solutions

Our 5G portfolio includes HKCARD’s Programmable SIM Cards for 5G Networks, Programmable 5G NR 3GPP R16 SA 5G SIM Card, 5G SA 128k SIM, and 5G SA SIM Card options. For 4G LTE, we supply multi network 4g volte sim card, usim 4g, 128k usim, usimlte, sim card half lte, and half simcard lte trio cards. We also support SUCI SIM cards (5G privacy-enabled SIMs) for compliant 5G deployments.

Specialized SIM Cards for IoT & Testing

Catering to lab and IoT use cases, we offer IoT/Evaluation SIM Cards, dummy sim card, fake sim, sim dummy, dummy sim card airtel, and usim test solution tools. We also stock cdma sim card, uim card, and ruim card for CDMA network requirements.

Blank, White Label & Custom SIMs

Our blank sim card options include blank sim, empty sim card, blank esim, white sim card, white sim, white sims, and blank sim card airtel. We provide white label mvno sim cards, white label sim cards, and offbrand sim solutions for MVNOs. We also offer sysmocom sim card compatible models like sysmoISIM-SJA2, sysmoUSIM-SJS1, sysmoISIM-SJA5, and SJA2 as cost-effective alternatives.

Memory & Form Factor Options

We supply SIM cards in 2FF (standard), 3FF (micro), and 4FF (nano-usim) form factors, with memory sizes ranging from 128k sim, 128k usim, 128kusim to 256k sim, 512k sim, and 5g sa 128k sim. Additional options include nfc sim, sim card nfc, sim wallet nfc, sysmousim-sjs1, parking sim cards, 4g volte tester, and sim card creator tools.

Compatibility with Open-Source Tools & Sysmocom Alternatives

HKCARD’s programmable SIM cards are fully compatible with pySim and other PC/SC based sim personalize tools. They work seamlessly with open-source LTE/5G stacks like Open5GS and srsRAN, making them perfect for university labs and telecom test environments.

If you’re currently using Sysmocom products, our cards offer form-, function-, and file-system-compatible alternatives with better lead times and competitive pricing. We support all popular Sysmocom models including sysmoISIM-SJA2, sysmoUSIM-SJS1, and sysmoISIM-SJA5.

Frequently Asked Questions (FAQs)

1. Q: Are HKCARD’s programmable SIM cards compatible with pySim?
   A: Yes, all our programmable SIM cards are pySim-ready, supporting easy customization via PC/SC tools.
2. Q: Do you offer 5G SA 3GPP R16 SIM cards?
   A: Absolutely! We stock Programmable 5G NR 3GPP R16 SA 5G SIM Card options for standalone 5G deployments.
3. Q: Can I get bulk white label MVNO SIM cards?
   A: Yes, we provide bulk sim white label mvno sim cards with custom branding options.
4. Q: What form factors do your SIM cards come in?
   A: We offer 2FF/3FF/4FF SIM Cards, including nano-usim and half simcard lte trio variants.
5. Q: Do you sell blank eSIMs?
   A: Yes, we supply blank esim for embedded SIM deployments.
6. Q: Are your SIM cards NFC-enabled?
   A: Yes, we offer nfc sim and sim card nfc options for the sim cards near field communication market.
7. Q: Can you supply CDMA-compatible SIM cards?
   A: Yes, we stock cdma sim card, uim card, and ruim card solutions.
8. Q: What memory sizes are available?
   A: We offer 128k, 256k, and 512k SIM cards, including 128k usim and 5g sa 128k sim.
9. Q: Are your SIM cards compliant with 3GPP standards?
   A: All our 5G/4G SIM cards meet 3GPP R16 and LTE standards.
10. Q: How fast can bulk orders be delivered?
    A: We offer quick turnaround times for bulk sim orders, with flexible shipping options to meet your timeline.

Why Choose HKCARD as Your SIM Card Supplier?

• 10+ years of industry expertise as a trusted sim card manufacturer
• Comprehensive product range covering 5G, 4G, IoT, test, and white label SIMs
• Sysmocom-compatible cards with open-source tool support
• Customization options for form factors, memory, branding, and network compatibility
• Competitive pricing and reliable bulk supply
• Strict quality control and compliance with global telecom standards

Call to Action

Ready to source high-quality programmable SIM cards, blank SIMs, or Sysmocom alternatives? Contact HKCARD ELECTRONICS today via [your email/phone/contact form] to discuss your requirements and get a free quote!

1. HKCARD Programmable 5G SA R16 SIM Cards in 2FF, 3FF, 4FF Form Factors with 128k Memory
2. Bulk White Label MVNO SIM Cards from HKCARD ELECTRONICS - Blank 4G USIMs in Wholesale Packaging

1. HKCARD: Trusted Programmable 5G/4G SIM Card Manufacturer & Sysmocom Alternative
2. Buy Writable IMSI/Ki/ICCID SIM Cards | HKCARD Electronics Wholesale Supplier
3. Blank, Programmable & Custom SIM Cards for IoT, 5G SA & LTE | HKCARD
4. Sysmocom Compatible SIM Cards: pySim-Ready 5G NR R16 SA SIMs from HKCARD
5. Bulk White Label MVNO SIM Cards & Dummy SIMs | HKCARD SIM Card Solutions

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HKCARD ELECTRONICS CO., LIMITED

📧 Email:byronhan@cardmfg.com

🌐 Website: https://www.cardmfg.com/
📱 WhatsApp/Wechat: +8615817372512