HKCARD: Your Trusted Provider of Programmable SIM Cards for 4G LTE & 5G NR Networks
Programmable SIM Cards | 5G/4G LTE Writable IMSI/Ki/ICCID | HKCARD Electronics
HKCARD offers programmable SIM cards with writable IMSI, Ki, ICCID, OP/OPc for 5G NR & 4G LTE networks. Sysmocom-compatible, pySim-ready. ISO9001 certified supplier with 15+ years experience.
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Introduction: Leading the Mobile Phone SIM Cards Industry Since 2009
HKCARD ELECTRONICS CO., LIMITED stands as a premier manufacturer and supplier of programmable SIM cards, white SIM cards, and custom SIM card solutions for telecommunications, IoT, and network testing applications. With over 15 years of expertise in the mobile phone SIM cards industry, we provide reliable, re-programmable USIM/LTE SIM cards that empower developers, network operators, and system integrators worldwide.
Comprehensive Range of Writable and Programmable SIM Cards
Writable IMSI SIM Cards and Advanced Parameter Customization
HKCARD specializes in manufacturing writable IMSI SIM cards that offer complete flexibility for network configuration. Our cards support:
- Writable IMSI SIM cards free from vendor lock-in
- Writable Ki SIM Cards for authentication key customization
- Writable ICCID SIM Cards enabling unique identification
- Writable OP or OPc SIM Cards for operator variant configuration
- Writable KEY SIM Cards with full cryptographic control
- Writable SPN SIM Cards for service provider name customization
- Writable MNC SIM Cards and Writable MCC SIM Cards for network identification
Re-programmable SIM Cards for Dynamic Applications
Unlike one-time burn solutions, HKCARD’s re-programmable (not one-time burn) SIM cards allow multiple write cycles, making them ideal for testing environments and development purposes. Our programmable SIM cards using PC/SC tools (e.g., pySim) ensure seamless integration with existing workflows.
5G and 4G LTE Technology Leadership
Next-Generation 5G NR Solutions
HKCARD pioneered the development of programmable SIM card 5G technology, offering:
- Custom SIM cards for 4G LTE & 5G NR Networks
- HKCARD’s Programmable SIM Cards for 5G Networks with R16 compliance
- Programmable 5G NR 3GPP R16 SA 5G SIM Card for standalone deployments
- 5G SA 128K SIM and 5G SA SIM card options
- SUCI SIM card support for concealed subscriber identity
4G LTE and USIM Solutions
Our comprehensive portfolio includes:
- USIM/LTE SIM Cards (not GSM-only)
- 4G LTE/WCDMA blank cards for multi-mode operations
- IoT/Evaluation SIM Cards for device testing
- Multi network 4G VoLTE SIM card capabilities
- 4G GSM SIM card backward compatibility
Form Factors and Physical Variants
HKCARD delivers available form factors: 2FF/3FF/4FF SIM cards to meet diverse device requirements:
- White SIM card and white SIM cards for OEM applications
- Nano-USIM for modern smartphones
- Blank SIM cards and blank SIM options
- Empty SIM card for custom programming
- Dummy SIM card for testing purposes
- SIM dummy and fake SIM for development
Memory Configurations and Advanced Features
Storage Capacity Options
We offer various memory configurations:
- 128K SIM, 256K SIM, 512K SIM storage options
- 128K USIM and 128KUSIM variants
- 5G SA 128K SIM for enhanced applications
Specialized Technologies
- NFC SIM and SIM card NFC integration
- SIM wallet NFC capabilities
- Java SIM card and SIM Java support
- CDMA SIM card and RUIM card compatibility
- UIM card for specific networks
- Blank eSIM for embedded solutions
Sysmocom Compatibility and Open-Source Integration
Looking for Sysmocom Alternatives? Choose HKCARD’s Programmable Test SIM Cards
Many customers search for sysmocom SIM card, sysmocom SIM cards, or sysmocom SIM products. HKCARD offers fully compatible alternatives to:
- sysmoISIM-SJA2 (referenced as SJA2 or sysmoisim-sja2)
- sysmoUSIM-SJS1 (sysmousim-sjs1)
- sysmoISIM-SJA5 (sysmoisim-sja5)
Compatibility with pySim and Open-Source Tools
HKCARD’s cards ensure seamless integration with:
- pySim and other PC/SC based SIM programming tools
- SIM personalize tools for batch configuration
- Open-source stacks including Open5GS and srsRAN
- USIM test solution environments in laboratories
- 4G VoLTE tester applications
If you’re currently relying on sysmocom products, HKCARD provides form-, function-, and file-system-compatible alternatives with better availability and competitive pricing.
Industry Applications and Market Solutions
Telecommunications and MVNO Services
- White label MVNO SIM cards for virtual operators
- White label SIM cards with custom branding
- Bulk SIM orders for large deployments
- Parking SIM cards for specialized applications
Manufacturing and Supply Chain Excellence
As a leading SIM card manufacturer and SIM card wholesale provider, HKCARD offers:
- SIM cards wholesale supplier services globally
- SIM card suppliers network across 50+ countries
- Custom SIM card design and production
- SIM card creator tools and services
- SIM card solutions for diverse industries
Specialized Market Segments
- SIM cards near field communication market solutions
- Offbrand SIM production capabilities
- TD SIM for time-division networks
- Half SIMcard LTE trio configurations
- SIMcard half LTE options
Quality Assurance and Certifications
HKCARD maintains ISO9001:2015 certification and adheres to ETSI and 3GPP standards. Our white SIMs and USIM 4G products undergo rigorous testing to ensure reliability in production environments.
Frequently Asked Questions (FAQ)
Q1: What makes HKCARD’s programmable SIM cards different from standard SIM cards?
A: HKCARD’s programmable SIM cards feature writable parameters including IMSI, Ki, ICCID, OP/OPc, and MNC/MCC values. Unlike standard SIM cards with fixed parameters, our re-programmable cards support multiple write cycles, making them ideal for testing, development, and custom network deployments.
Q2: Are HKCARD’s SIM cards compatible with sysmocom tools and software?
A: Yes, HKCARD offers full compatibility with sysmocom alternatives, including replacements for sysmoISIM-SJA2, sysmoUSIM-SJS1, and sysmoISIM-SJA5. Our cards work seamlessly with pySim, PC/SC tools, and open-source stacks like Open5GS and srsRAN.
Q3: What form factors are available for HKCARD programmable SIM cards?
A: We provide all standard form factors: 2FF (mini-SIM), 3FF (micro-SIM), and 4FF (nano-SIM). We also offer triple-cut cards that support all three sizes in one card, ensuring compatibility with any device.
Q4: Can HKCARD SIM cards support both 4G LTE and 5G NR networks?
A: Absolutely. Our portfolio includes 4G LTE/WCDMA blank cards and advanced Programmable 5G NR 3GPP R16 SA SIM cards. These USIM/LTE cards are not limited to GSM-only and support the latest 5G standalone (SA) deployments.
Q5: What memory capacities are available?
A: HKCARD offers various memory configurations including 128K, 256K, and 512K SIM options. Our 5G SA 128K SIM cards provide optimal storage for modern applications while maintaining compatibility with legacy systems.
Q6: Do you provide blank SIM cards for custom programming?
A: Yes, we specialize in blank SIM cards, white SIM cards, and empty SIM cards ready for custom programming. These writable IMSI SIM cards free customers from vendor restrictions and allow complete parameter customization.
Q7: What tools are required to program HKCARD SIM cards?
A: Our programmable SIM cards work with standard PC/SC card readers and software tools like pySim. We provide documentation for SIM programming and SIM personalize tools to streamline the configuration process.
Q8: Can HKCARD supply SIM cards with NFC capabilities?
A: Yes, we manufacture NFC SIM cards with integrated near-field communication features. Our SIM wallet NFC solutions enable contactless payments and secure authentication applications.
Q9: What’s the minimum order quantity for bulk SIM purchases?
A: As a SIM cards wholesale supplier, we accommodate various order sizes. For blank SIM card bulk orders, we offer competitive pricing starting from 100 pieces, with volume discounts for larger quantities.
Q10: How does HKCARD ensure quality and compatibility?
A: With 15+ years in the mobile phone SIM cards industry, we maintain ISO9001:2015 certification and test all products against ETSI/3GPP standards. Our USIM test solution validates each batch for network compatibility and performance.
Contact HKCARD for Your Programmable SIM Card Needs
Ready to revolutionize your network testing or deployment? HKCARD ELECTRONICS CO., LIMITED is your trusted partner for programmable SIM cards, offering superior alternatives to sysmocom products with enhanced availability and competitive pricing.
Contact us today to discuss your requirements for writable IMSI SIM cards, 5G NR solutions, or custom SIM card projects. Our experienced team will help you select the perfect SIM card solutions for your application.
- “Programmable 5G SIM Cards: HKCARD’s Complete Guide to Writable IMSI, Ki, and ICCID Solutions”
- “Sysmocom Alternative: Why Engineers Choose HKCARD’s Re-Programmable Test SIM Cards”
- “White Label MVNO SIM Cards: Custom 4G LTE & 5G NR Solutions from HKCARD”
- “Blank SIM Cards Wholesale: 128K, 256K, 512K USIM Options for IoT and Testing”
- “pySim Compatible SIM Cards: Open-Source Ready Programmable USIM from HKCARD”
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HKCARD programmable SIM cards showing 2FF, 3FF, and 4FF form factors with writable IMSI, Ki, ICCID parameters for 5G NR and 4G LTE networks
Sysmocom-compatible blank white SIM cards from HKCARD with 128K, 256K, 512K memory options for pySim programming and USIM test solutions
HKCARD ELECTRONICS CO., LIMITED
📧 Email:byronhan@cardmfg.com
🌐 Website: https://www.cardmfg.com/
📱 WhatsApp/Wechat: +8615817372512
