Hello! I’m the CEO of HKCARD ELECTRONICS CO., LIMITED, and I’m proud to introduce our company as a leading manufacturer and supplier of 4G Nano+NFC Factory Sim Card and NFC SIM Card technology. For over 15 years, we’ve empowered telecom operators, banks, governments, and IoT innovators with secure, customizable, and globally compatible SIM solutions.
Table of Contents
ToggleOur Product Range: Engineered for Excellence
We specialize in producing:
- 4G Nano+NFC Factory Sim Card 1.8v – Ideal for low-power IoT and legacy devices.
- 4G Nano+NFC Factory Sim Card 3.6v – Optimized for mainstream smartphones and tablets.
- 4G Nano+NFC Factory Sim Card 1.62v-5.5v – Universally compatible across all device types.
- 4G Nano+NFC Factory Sim Card V3.0 C-CLASS – Our flagship model with advanced security and OTA capabilities.
- Factory Sim Card V3.0 C-CLASS – Built for enterprise-grade security and performance.
- NFC SIM Card / NFC SIM / NFC-SIM / sim nfc / nfc sim – Enabling contactless payments, transit access, and digital identity.
- sim swp (Single Wire Protocol) – Seamless integration with mobile wallets and NFC systems.
- nfc sim cards / nfc white blank card – Customizable for branding and private labeling.
- nfc sim karte / kartu nfc / nfcsim / nfc usim / nfc simkaart – Multilingual and region-specific solutions.
- test sim card / nfc sim kart / tarjeta SIM NFC – For developers, testers, and network validation.
Why Choose HKCARD ELECTRONICS CO., LIMITED?
1. Voltage Flexibility
- 1.8v: Power-efficient for IoT sensors.
- 3.6v: Standard for smartphones and tablets.
- 1.62v-5.5v: Universal compatibility for global deployments.
2. Security & Performance
- 4G Nano+NFC Factory Sim Card V3.0 C-CLASS: EAL6+ certified, 256KB memory, and OTA updates.
- sim swp: Secure communication for mobile payments.
3. Customization
- nfc white blank card: Private labeling, logos, and serialization.
- NFC SIM Cards: Tailored for telecom operators, banks, and governments.
4. Global Compliance
- ISO 9001, CE, RoHS, and REACH certified.
- Compatible with Android, iOS, and major networks.
FAQs
Q: What is the difference between 4G Nano+NFC Factory Sim Card 1.8v and 3.6v?
A: The 1.8v model is for low-power devices (IoT, wearables), while 3.6v suits mainstream smartphones. Our 1.62v-5.5v variant covers all device types.
Q: How does sim swp enhance NFC SIM functionality?
A: sim swp connects the SIM’s secure element directly to the NFC controller, enabling secure mobile payments and access control without additional hardware.
Q: Can I customize nfc sim cards for branding?
A: Yes! We offer nfc white blank card solutions with custom printing, logos, and packaging.
Q: Are your NFC SIM products compatible worldwide?
A: Absolutely. Our nfc sim karte, kartu nfc, nfcsim, and nfc simkaart support global networks and languages.
Q: Do you provide test sim card kits for developers?
A: Yes. Our test sim card kits include OTA provisioning, documentation, and SWP support for rapid development.
Technical Specifications
| Product | Voltage | Memory | Security | Application |
|---|---|---|---|---|
| 4G Nano+NFC 1.8v | 1.8V | 32KB | EAL4+ | IoT, Legacy |
| 4G Nano+NFC 3.6v | 3.6V | 64KB | EAL5+ | Smartphones |
| 4G Nano+NFC 1.62v-5.5v | 1.62-5.5V | 128KB | EAL5+ | Universal |
| V3.0 C-CLASS | Multi | 256KB | EAL6+ | Enterprise |
#4GNanoNFC
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#FactorySimCard
#SimSWP
#NFCWhiteBlankCard
#NFCSIMKarte
#KartuNFC
#TestSimCard
#TarjetaSIMNFC
#SmartCardSolutions
- “Factory-Direct 4G Nano+NFC Factory Sim Card: 1.8v, 3.6v, and Universal Voltage”
- “NFC SIM Card Solutions: Secure, Customizable, and Globally Compatible”
- “4G Nano+NFC Factory Sim Card V3.0 C-CLASS: The Pinnacle of SIM Security”
- “Custom NFC White Blank Card & NFC USIM for Telecom and Finance”
- “Test Sim Card Kits: Accelerate Development with NFC-SIM and SWP Support”
Q: What voltage 4G Nano+NFC Factory Sim Card should I choose for IoT devices?
A: Opt for 1.8v for low power consumption or 1.62v-5.5v for broader compatibility.Q: How secure is the 4G Nano+NFC Factory Sim Card V3.0 C-CLASS?
A: It features EAL6+ certification, 256KB memory, and OTA updates for maximum security.Q: Can NFC SIM cards work with Apple Pay and Google Pay?
A: Yes, our NFC SIM supports sim swp and is compatible with major mobile wallets.Q: What customization options are available for nfc white blank card?
A: We offer logo printing, serialization, and private labeling for bulk orders.Q: Are your test sim card solutions developer-friendly?
A: Absolutely! Our kits include documentation, OTA tools, and SWP-enabled NFC-SIM for seamless integration.
Contact Us
Ready to power your business with the best 4G Nano+NFC and NFC SIM technology? Reach out to me directly:
Contact HKCARD Today
Partner with HKCARD ELECTRONICS for OEM SIM cards
📞 Contact us now:byronhan@cardmfg.com
byronhan1@gmail.com
byron@cardmfg.com
My skype/Teams is byron1681
Whatsapp /Phone Number:+8615817372512
🌐 Visit our website: https://www.cardmfg.com/
HKCARD ELECTRONICS CO., LIMITED – Trusted by 1,000+ Clients Worldwide
ISO 9001:2015 | CE | RoHS | REACH Certified


