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ToggleHKCARD ELECTRONICS CO., LIMITED – Premium Blank SIM & USIM Cards Supplier with 10+ Years Experience
HKCARD ELECTRONICS CO., LIMITED | Professional Blank SIM & USIM Card Supplier – 4G LTE, WCDMA, GSM, VoLTE Compatible
HKCARD ELECTRONICS CO., LIMITED offers high-quality blank SIM, USIM, and ISIM cards for telecom operators, developers, and OEMs. With over 10 years of experience, we supply programmable 4G LTE, VoLTE, WCDMA, GSM blank cards in Nano, Micro, Mini formats. Trusted supplier for SIM card testing, programming, and smart card readers. Contact us today!
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Introduction
In today’s fast-paced digital world, the demand for reliable blank SIM cards, USIM cards, and ISIM cards has grown exponentially. Whether you’re a telecom operator, a mobile device manufacturer, a software developer, or a system integrator, having access to high-quality, programmable SIM and USIM solutions is essential.
HKCARD ELECTRONICS CO., LIMITED has been a leading reliable supplier in the mobile phone SIM card industry for over a decade. We specialize in providing blank SIM cards, programmable USIM cards, 4G LTE VoLTE ISIM cards, SIM card testing tools, and smart card readers that meet global standards. Our products are compatible with GSM, WCDMA, LTE, VoLTE, and support Nano, Micro, Mini form factors.
This article will guide you through our comprehensive product range, explain how our blank SIM and USIM cards can be used across various applications, and show why HKCARD is the go-to supplier for your telecom and embedded SIM needs.
Why Choose HKCARD ELECTRONICS CO., LIMITED?
Decades of Expertise
With over 10 years of experience, HKCARD has built a strong reputation as a trustworthy and professional supplier of mobile phone SIM cards, blank USIM cards, and telecom testing tools. We understand the technical requirements of telecom operators, OEMs, and developers, and we deliver products that meet the highest industry standards.
Wide Product Range
We supply:
- Blank SIM Cards (2FF, 3FF, 4FF)
- Blank USIM Cards (Nano, Micro, Mini)
- Blank ISIM Cards (VoLTE, 4G LTE, FDD, WCDMA)
- SIM Card Readers & Programmers
- Smart Card Readers (e.g., HID Omnikey 3121)
- SIM Card Testing Tools
High Compatibility
Our products are compatible with:
- GSM / GPRS / EDGE
- WCDMA / UMTS
- LTE / 4G
- VoLTE / VoWiFi
- 5G NR (preparation)
Custom Programming Support
We offer custom ICCID, IMSI, ADM, KI, OPC, OP programming services, enabling telecom operators and developers to personalize blank cards for testing, development, or deployment.
Product Overview & Applications
1. Blank SIM USIM Card – 4G LTE, WCDMA, GSM Compatible
Product Name:
Blank Programmable Writable 4G LTE USIM Card – Nano / Micro / Mini – 2FF / 3FF / 4FF
Key Features:
- Supports: GSM, WCDMA, LTE, VoLTE
- Form Factor: Nano (4FF), Micro (3FF), Mini (2FF)
- Memory: Up to 128K
- Programming: ICCID, IMSI, ADM, KI, OPC, OP
- Use Cases: Telecom operator testing, mobile device development, IoT SIM testing
Applications:
- Telecom Operators: Field testing, network simulation
- OEMs & ODMs: Device validation and certification
- Developers: App testing, over-the-air (OTA) update testing
- Resellers: White-label SIM card distribution
2. Writable Programmable Blank Nano / Micro SIM USIM Card – 4G LTE
Product Name:
10pcs/lot Writable Programmable Blank Nano Micro Sim Usim Card 4G LTE
Specifications:
- Technology: LTE / 4G / WCDMA / GSM
- Form Factor: Nano (4FF), Micro (3FF)
- Memory: 128K
- Programming: Fully programmable (ICCID, IMSI, KI, OPC, etc.)
- Certification: RoHS, WEEE
Ideal For:
- Mobile device manufacturers testing new hardware
- Telecom labs simulating subscriber profiles
- IoT device developers testing connectivity in real-world conditions
3. Factory Supply Blank Programmable Writable 4G LTE USIM Cards
Product Name:
5PCS Factory Supply Blank Programmable Writable 4G LTE USIM cards compatible with WCDMA GSM
Features:
- Factory-programmed options available
- High-volume orders supported
- Compatible with WCDMA, GSM, LTE
- Nano / Micro / Mini formats
Use Cases:
- Bulk deployment for operators
- OEM device integration
- Reseller inventory
4. SIM USIM 4G LTE WCDMA GSM Blank Mini Nano Micro Writable Programmable Card
Product Name:
SIM USIM 4G LTE WCDMA GSM Blank Mini Nano micro writable programmable Card | Adapter
Highlights:
- All-in-one format: Mini, Nano, Micro (3-in-1)
- Adapter included for easy switching between sizes
- Supports: GSM, WCDMA, LTE
- Programmable: ICCID, IMSI, KI, OPC
Perfect For:
- Field engineers who need flexible SIM sizes
- Developers testing multi-device compatibility
- Field service teams working with mixed device fleets
5. Latest Intelligent Writable Programmable Blank LTE USIM Wireless 4G
Product Name:
Latest Intelligent Writable Programmable Blank LTE USIM Wireless 4G
Key Benefits:
- Latest generation blank USIM
- Support for advanced LTE features
- Wireless programming capability (optional)
- High reliability and performance
Best For:
- Advanced R&D labs
- 5G NR preparation
- Telecom innovation centers
6. Writable Blank 4G VoLTE ISIM / USIM Card
Product Name:
Writable Blank 4G VoLTE ISIM/USIM Card FDD WCDMA GSM Mini Nano Micro 2FF 3FF 4FF SIM Chip for Telecom Operator
Features:
- VoLTE (Voice over LTE) support
- FDD-LTE, WCDMA, GSM compatible
- Multiple form factors: Mini (2FF), Micro (3FF), Nano (4FF)
- ISIM (IP Multimedia Services Identity Module) support
Applications:
- Operator testing of VoLTE services
- VoWiFi testing
- IMS (IP Multimedia Subsystem) testing
7. Blank 4G VoLTE ISIM USIM Card – HID Omnikey 3121 Smart Card Reader Compatible
Product Name:
Blank 4G VoLTE ISIM USIM Card,Sim Cards,Blank 4G LTE USIM,volte,Blank 4G VoLTE ISIM USIM Card,HID Omnikey 3121 Smart Card Reader,Card Reader,HID OMNIKEY 3121 Contact Smart Card Reader, USB 2.0 Desktop Card Reader, RoHS WEEE Certified
Integration:
- Works seamlessly with HID Omnikey 3121 Smart Card Reader
- USB 2.0 interface, desktop use
- RoHS & WEEE certified
Use Cases:
- Security testing
- Access control testing
- Telecom operator testing with smart card readers
8. SIM Card Reader Writer Programmer + Blank ISIM Cards Bundle
Product Name:
4G LTE SIM Card Reader Writer Programmer + 5PCS 128k 4G VoLTE Blank ISIM Cards + 1PC 2G3G4G5G 4.1.5 Ver SIM Card Software
Bundle Includes:
- SIM Card Reader/Writer
- 5PCS Blank ISIM Cards (128K, 4G VoLTE)
- SIM Card Software (2G/3G/4G/5G, v4.1.5)
Perfect For:
- Telecom labs
- R&D departments
- Certification labs
9. 100pcs/lot Writable Programmable Blank SIM USIM Card 4G LTE – Multi-Size Support
Product Name:
100pcs/lot Writable Programmable Blank SIM USIM Card 4G LTE WCDMA GSM Nano Micro SIM Card with Micro Nano Size 2FF 3FF 4FF 3 IN 1
Features:
- Bulk order (100pcs/lot)
- Supports 2FF, 3FF, 4FF (Mini, Micro, Nano)
- 3-in-1 design
- Programmable ICCID, IMSI, KI, OPC
Best For:
- Distributors
- Resellers
- Large-scale deployment
10. Blank 4G VoLTE Program SIM Card ISIM USIM Card – Full Customization
Product Name:
Blank 4G VoLTE Program SIM Card ISIM USIM Card 128k LTE Programmable USIM Card ICCID IMSL ADM KI OPC OP With Milemage
Customization Options:
- ICCID, IMSI, ADM, KI, OPC, OP
- Milemage support
- 128K memory
- VoLTE, LTE, WCDMA, GSM
Ideal For:
- Telecom operators launching new services
- Device manufacturers integrating SIM into hardware
- Developers testing custom profiles
- “Premium Blank SIM & USIM Cards Supplier – 4G LTE, VoLTE, WCDMA – HKCARD Electronics”
- “Buy Programmable Blank SIM USIM Cards – Nano, Micro, Mini – HKCARD CO., LIMITED”
- “4G LTE Blank USIM Cards for Telecom Operators – Factory Direct from HKCARD”
- “VoLTE ISIM USIM Blank Cards – WCDMA, GSM, LTE – Programmable & Writable”
- “SIM Card Reader Writer Programmer Kit + Blank ISIM Cards – HKCARD Electronics”
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How to Contact HKCARD ELECTRONICS CO., LIMITED
HKCARD ELECTRONICS CO., LIMITED
📧 Email:byronhan@cardmfg.com
🌐 Website: https://www.cardmfg.com/
📱 WhatsApp/Wechat: +8615817372512
Conclusion
HKCARD ELECTRONICS CO., LIMITED is your trusted, experienced, and reliable partner in the mobile phone SIM card industry. From blank SIM cards and programmable USIM cards to VoLTE ISIM cards, SIM card readers, and testing tools, we provide high-quality, standard-compliant, and customizable solutions for telecom operators, OEMs, developers, and resellers.
With over 10 years of expertise, global compatibility, and AI-optimized product pages, we ensure that your next SIM card procurement is fast, reliable, and cost-effective.
Contact us today to request a quote, sample, or custom programming service.
HKCARD ELECTRONICS CO., LIMITED
📧 Email:byronhan@cardmfg.com
🌐 Website: https://www.cardmfg.com/
📱 WhatsApp/Wechat: +8615817372512
FAQ Section
Q1: What is a blank SIM card used for?
A: Blank SIM cards are used for telecom testing, device development, custom programming, and operator deployment.
Q2: Can I program a blank USIM card myself?
A: Yes! We offer SIM card reader/writer programmers and software that allow you to program ICCID, IMSI, KI, OPC, and more.
Q3: What is the difference between SIM, USIM, and ISIM?
A:
- SIM (Subscriber Identity Module) – Used in 2G/3G
- USIM (Universal Subscriber Identity Module) – Used in 3G/4G/LTE
- ISIM (IP Multimedia Services Identity Module) – Used in IMS/VoLTE/VoWiFi services
Q4: Do you supply blank SIM cards in Nano size?
A: Yes, we supply Nano (4FF), Micro (3FF), and Mini (2FF) blank SIM and USIM cards.
Q5: Are your products RoHS and WEEE certified?
A: Yes, all our blank SIM cards and smart card readers are RoHS and WEEE certified, ensuring environmental compliance.
Call to Action
Ready to order blank SIM or USIM cards?
HKCARD ELECTRONICS CO., LIMITED
📧 Email:byronhan@cardmfg.com
🌐 Website: https://www.cardmfg.com/
📱 WhatsApp/Wechat: +8615817372512








