HKCARD Electronics Co., Limited – Your Trusted Blank 4G VoLTE ISIM USIM Card Supplier Since 2009
For over 15 years, HKCARD ELECTRONICS CO., LIMITED has been one of the most reliable suppliers in the global mobile phone SIM cards industry, serving telecom operators, IoT companies, MVNOs, test labs, and system integrators in more than 80 countries.
We specialize in high-quality programmable blank SIM cards and professional smart card hardware that meet the strictest industry standards.
Our Best-Selling Products
1. Blank 4G VoLTE ISIM USIM Card – 128K Programmable LTE USIM
Fully writable with ICCID, IMSI, ADM, KI, OPC, OP, and Milenage algorithm support.
Perfect for VoLTE testing, IoT deployment, network simulation, and authorized cloning.
2. 100pcs/lot Writable Programmable Blank SIM USIM Card 4G LTE WCDMA GSM
- 3-in-1 size: 2FF (Mini), 3FF (Micro), 4FF (Nano)
- Supports 2G/3G/4G/5G NSA networks
- Highest success rate in field testing
- Most popular choice for labs and IoT manufacturers worldwide
3. Complete 4G LTE SIM Card Reader Writer Programmer Kit
Includes:
- Professional USB SIM card programmer
- 5pcs 128K Blank 4G VoLTE ISIM Cards
- Latest 2G/3G/4G/5G SIM Card Software v4.1.5
Ready-to-use package – plug and program in 2 minutes.
4. Genuine HID OMNIKEY 3121 Contact Smart Card Reader
- Official model: R31210320-01 (Two-tone Gray)
- USB 2.0 full-speed desktop reader
- RoHS & WEEE Certified
- Drivers for Windows 7/8/10/11, Linux, macOS
- Industry standard for SIM programming, eID, and banking applications
Why Global Customers Choose HKCARD
- 15+ years of specialized experience in programmable SIM technology
- 100% pre-tested blank cards – zero failure rate guarantee
- Same-day quotation, fast global shipping (DHL/FedEx)
- Full technical support (KI/OPC calculation, Milenage configuration)
- Bulk pricing available from 100pcs to 100,000pcs
Applications Our Customers Use Daily
- 4G/5G network testing labs
- IoT & M2M device activation
- MVNO SIM personalization
- VoLTE / VoWiFi development
- University research projects
- Government & banking smart card systems
Contact HKCARD Today – Get Quote Within 1 Hour
Company: HKCARD ELECTRONICS CO., LIMITED
Best Regards
Byron
HKCARD ELECTRONICS CO.,LIMITED
Whatsapp/wechat:+8615817372512
Skype/Teams：byron1681
Email：byronhan@cardmfg.com
Let us become your long-term trusted partner for Blank 4G VoLTE ISIM USIM Cards, HID Omnikey 3121 readers, and all programmable SIM solutions.
- Top-Rated Blank 4G VoLTE ISIM USIM Card 128K with Milenage – HKCARD
- HID OMNIKEY 3121 USB Smart Card Reader R31210320-01 Wholesale Supplier
- 100pcs/lot Programmable Blank SIM Card 2FF 3FF 4FF – Best Price 2025
- Full 4G LTE SIM Card Programmer Kit with Software & 5 Blank ISIM Cards
- Trusted Supplier for ICCID IMSI KI OPC Programmable USIM Cards Since 2009
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Best Regards
Byron
HKCARD ELECTRONICS CO.,LIMITED
Whatsapp/wechat:+8615817372512
Skype/Teams：byron1681
Email：byronhan@cardmfg.com