HKCARD Electronics – Programmable SIM Cards | Blank USIM Cards & 5G SIM Card Supplier
HKCARD ELECTRONICS CO., LIMITED is a trusted supplier of programmable SIM cards, blank USIM cards, 5G SA 128K cards, SIM card readers & writers, and Sysmocom programming software. 12+ years experience serving MVNOs, network testers, and IoT projects worldwide.
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HKCARD Electronics – Reliable Supplier of Programmable SIM Cards and Blank USIM Solutions
HKCARD ELECTRONICS CO., LIMITED has been a trusted manufacturer and supplier in the SIM card industry for over twelve years. We specialize in high-quality programmable SIM cards, blank USIM cards, writable SIM cards, and complete SIM card personalization tools for mobile network operators, MVNOs, testing laboratories, and IoT developers.
Our product range includes Cartões SIM Programáveis, Cartões USIM em Branco, Cartões SIM 5G em Branco, Cartões SIM 4G em Branco, 5G SA 128K cards, and professional software de programação de cartões SIM sysmocom. Whether you need individual cards for development or Cartões SIM em Massa for large deployments, HKCARD delivers reliable, standards-compliant solutions.
Complete Range of Programmable and Blank SIM Cards
Programmable SIM Cards & Writable SIM Cards (Cartão SIM Gravável)
Our programmable SIM cards and cartão SIM gravável solutions allow full customization of IMSI, Ki, OPc, and other parameters. These writable and programmable SIM cards are ideal for network testing, custom authentication setups, and rapid service deployment.
Blank USIM Cards (Cartões USIM em Branco)
We supply premium blank USIM cards that are fully gravável e programável. Our cartão USIM em branco gravável e programável range supports 4G LTE and 5G networks with high memory options (128K and above). These cards are widely used for Programação de Cartões SIM and Programação de IMSI.
5G and 4G LTE SIM Cards
- Cartões SIM 5G em Branco – Ready for Standalone (SA) and Non-Standalone networks
- 5G SA 128K cards – Optimized for ultra-reliable low-latency and massive IoT use cases
- SIM 4G LTE and Cartões USIM LTE – Proven performance for current 4G deployments
- Cartão SIM 4G em branco – Perfect for testing and MVNO launches
Sysmocom SIM Cards (Cartões SIM Sysmocom / USIM Sysmo)
HKCARD is a reliable source for Sysmocom SIM cards and USIM Sysmo. These cards are favored by researchers and developers for their open programmability and compatibility with software de programação de cartões SIM sysmocom.
Essential Hardware and Software Tools
SIM Card Readers and Writers (Leitor e Gravador de Cartões SIM)
Our Leitor e Gravador de Cartões Inteligentes and professional SIM card reader and writer devices offer fast, stable performance for programming and testing. They work seamlessly with all our blank programmable SIM cards.
SIM Card Programming Software
We provide and support industry-leading software de programação de cartões SIM, including sysmocom SIM programming software. This enables efficient IMSI programming, batch processing, and full SIM personalization for Cartões SIM em Massa.
SIM Personalization Tools (Ferramentas de Personalização de SIM)
From simple writers to advanced systems, our Ferramentas de Personalização de SIM help clients streamline production and ensure every card meets exact network specifications.
Main Applications and Use Cases
- Testes de Rede – Comprehensive network testing and validation
- MVNO and operator deployments – Rapid subscriber provisioning
- IoT and M2M projects – Reliable connectivity for smart devices
- Research and development – Using Sysmocom and programmable cards
- 5G rollout testing – With dedicated 5G blank SIM cards
Why Global Clients Choose HKCARD as Their SIM Card Supplier
With more than a decade of focused experience, HKCARD ELECTRONICS CO., LIMITED combines manufacturing excellence, competitive pricing, and responsive technical support. We serve customers in over 60 countries as a dependable Fornecedor de Cartões SIM.
Key advantages:
- Strict quality control and 3GPP/ETSI compliance
- Flexible order quantities (from 100 to 100,000+ cards)
- Fast global shipping
- Expert guidance on programmable SIM card selection and programming
Product Comparison Table
| Product | Memory | Network Support | Best For |
|---|---|---|---|
| Programmable SIM Cards | 64K–256K | 2G–5G | Testing & MVNO |
| Blank USIM Cards | 128K+ | 4G LTE + 5G | Custom programming |
| 5G SA 128K Cards | 128K | 5G Standalone | Next-gen networks |
| Sysmocom USIM | 128K | All generations | Research & SDR |
| 4G LTE Blank SIM | 64K–128K | 4G LTE | Current deployments |
Frequently Asked Questions
Q1: What are programmable SIM cards and how do they differ from standard SIMs?
Programmable SIM cards (also called writable or gravável SIM cards) can be fully customized with your own IMSI, keys, and profiles after purchase, unlike pre-programmed operator SIMs.
Q2: Do you supply blank 5G SIM cards?
Yes. We offer cartão SIM 5G em branco and 5G SA 128K cards ready for standalone 5G networks and advanced testing.
Q3: Are your blank USIM cards compatible with Sysmocom software?
Absolutely. Our cartão USIM em branco gravável e programável works perfectly with sysmocom SIM programming software and other standard tools.
Q4: What is the minimum order quantity for bulk SIM cards?
We support flexible quantities. Small test orders start from 100 pieces, while Cartões SIM em Massa orders can reach tens of thousands.
Q5: Do you provide SIM card readers and writers?
Yes. Our Leitor e Gravador de Cartões SIM devices are designed for reliable programming of all our blank and programmable cards.
Q6: Can I use your cards for network testing?
Certainly. Many clients use our programmable SIM cards and Sysmocom USIM for Testes de Rede, coverage testing, and roaming validation.
Q7: Are your 4G and 5G SIM cards blank and fully writable?
Yes. Both cartão SIM 4G em branco and cartão SIM 5G em branco are supplied blank and fully gravável e programável.
Q8: How long does delivery take?
Most orders ship within 3–7 business days. Express options are available for urgent SIM programming and testing projects.
Q9: Do you offer technical support for SIM personalization?
Yes. Our team provides guidance on IMSI programming, software setup, and best practices for Ferramentas de Personalização de SIM.
Q10: Why should I choose HKCARD as my SIM card supplier?
With over twelve years of experience, consistent quality, competitive pricing, and full support for programmable SIM cards, blank USIM cards, and 5G solutions, HKCARD is the reliable long-term partner for telecom professionals worldwide.
Programmable SIM cards and blank 5G USIM cards from HKCARD – writable and fully customizable for network testing and MVNO use
Professional SIM card reader writer and sysmocom programming software setup by HKCARD for efficient SIM personalization and IMSI programming
Contact HKCARD Electronics Today
If you are looking for a dependable supplier of programmable SIM cards, blank USIM cards, 5G SIM solutions, or complete SIM card programming tools, contact HKCARD ELECTRONICS CO., LIMITED now. Our team is ready to help you select the right products and support your project from testing to full-scale deployment.
- Buy Blank Programmable SIM Cards and 5G SA 128K USIM Solutions – Trusted Global Supplier
- Professional Sysmocom SIM Cards, SIM Card Readers & Programming Software from HKCARD
- Wholesale Writable 4G LTE and 5G Blank SIM Cards for Network Testing and MVNOs
- Reliable SIM Card Personalization Tools and Bulk Programmable USIM Card Manufacturer
- Complete SIM Programming Solutions: Blank Cards, Writers, and Sysmocom Software
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HKCARD ELECTRONICS CO.,LIMITED
Whatsapp/wechat:+8615817372512
Skype/Teams：byron1681
Email：byronhan@cardmfg.com
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