At HKCARD ELECTRONICS CO., LIMITED, we are a leading global manufacturer and reliable supplier of high-performance blank programmable SIM cards designed for advanced telecommunications testing and development. With years of industry expertise, we specialize in producing secure, durable, and fully compliant SIM solutions that meet the evolving demands of 4G LTE and 5G network environments.
Our core mission is to empower telecom engineers, R&D labs, and mobile network operators with premium-quality 128K/J 5G Test (U)SIM – 2FF, 3FF, 4FF cards that support seamless integration across multiple device form factors. Whether you’re testing network compatibility, conducting roaming simulations, or validating protocol stacks, our SIMs deliver consistent, accurate results.
Why Choose Our 5G Test USIMs?
As 5G networks expand worldwide, the need for reliable test tools has never been greater. Our 5G Test USIMs are engineered with the latest security protocols and built on the 128K/J platform, ensuring compatibility with next-generation network infrastructure. These USIMs support advanced features such as:
- Full compliance with 3GPP standards
- Support for 5G NR (New Radio) and NSA/SA modes
- Secure authentication and KI data personalization options
- Available in 2FF (Standard SIM), 3FF (Micro SIM), and 4FF (Nano SIM) formats
This makes our 128K/J 5G Test (U)SIM – 2FF, 3FF, 4FF the ideal choice for telecom professionals requiring flexibility and precision.
Comprehensive Range of 128k Blank Mobile Phone Sim Cards
In addition to 5G, we offer a wide selection of 128k Blank Mobile Phone Sim Cards tailored for 4G LTE testing and development. Our 128k Mileage Algorithm 4G LTE Blank Programmable USIM SIM Card series is especially popular among automotive and telematics testing teams due to its robust performance and support for mileage simulation algorithms used in vehicle diagnostics and tracking systems.
These blank USIMs provide full control over IMSI, Ki key, OPc, and other critical parameters, enabling complete customization for lab environments, private network testing, and IoT device validation.
For LTE-specific applications, our 128K/J LTE Test (U)SIM – 4FF offers high-density storage in a compact nano-SIM format, perfect for modern smartphones, tablets, and embedded modules. All cards are manufactured under strict quality control standards to ensure low failure rates and long-term reliability.
Key Features of Our Programmable SIM Solutions
- High Memory Capacity: 128K platform with ample space for file structures and algorithm storage
- Multiple Form Factors: 2FF, 3FF, and 4FF options available to fit any device
- Fully Programmable: Blank cards ready for customer-specific personalization
- Global Compatibility: Designed to work across international networks and test benches
- Secure & Durable: Tamper-resistant chips with extended lifecycle
Trusted by Telecom Innovators Worldwide
As a certified manufacturer, HKCARD ELECTRONICS CO., LIMITED adheres to ISO standards and delivers products that meet rigorous industry requirements. Our 128k Blank Mobile Phone Sim Cards are widely used in:
- Network operator testing labs
- Mobile device certification
- IoT and M2M communication development
- Automotive telematics and mileage simulation
- Academic and research institutions
We offer OEM/ODM services, bulk customization, and fast global shipping to ensure you receive the right solution on time, every time.
Get Your High-Quality Test SIMs Today
Looking for a dependable source for 5G Test USIMs or programmable 128K/J LTE Test (U)SIM – 4FF cards? HKCARD ELECTRONICS CO., LIMITED is your trusted partner for innovation, quality, and service.
Contact us today to request samples, pricing, or technical specifications for our 128K/J 5G Test (U)SIM – 2FF, 3FF, 4FF, 128k Mileage Algorithm 4G LTE Blank Programmable USIM SIM Card, and other 128k Blank Mobile Phone Sim Cards. Let us help you accelerate your telecom testing with superior SIM technology.
HKCARD ELECTRONICS CO., LIMITED – Powering Connectivity, One SIM at a Time.
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