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In the rapidly evolving world of telecommunications and Internet of Things (IoT), the security and reliability of subscriber identity modules are paramount. HKCARD ELECTRONICS CO., LIMITED is proud to offer cutting-edge smart card solutions powered by high-performance chips.

We specialize in two distinct but critical form factors: the versatile USIM-Card TRIO featuring the HED CIU98288F chip, and the robust USIM-Card MFF2 featuring the HED CIU98228H chip. Whether you are developing consumer smartphones or rugged industrial IoT devices, our smart card solutions ensure secure authentication and seamless connectivity across global networks.


1. The USIM-Card TRIO: Versatility Meets Performance

The USIM-Card TRIO is designed for flexibility and ease of use in standard mobile devices. Utilizing the advanced HED CIU98288F chip architecture, this card is built to handle the complex demands of modern 4G LTE and 5G NR networks.

What is the TRIO Advantage?

The “TRIO” concept generally refers to the ultimate flexibility in physical dimensions. It allows telecom operators and device manufacturers to manage a single SKU that fits all device requirements—whether Standard (2FF), Micro (3FF), or Nano (4FF).

Key Features of the CIU98288F TRIO Card:

  • High-Security Architecture: Built on a robust hardware platform to protect subscriber credentials against cloning and fraud.
  • Multi-Network Compatibility: Fully supports GSM, WCDMA, LTE (4G), and 5G NR (NSA/SA) standards.
  • Large Memory Capacity: Sufficient space for operator applications, phonebooks, and SMS storage.
  • Fast Processing Speed: Optimized for quick authentication times, reducing network connection latency.

2. The USIM-Card MFF2: The Future of Embedded Connectivity

For the Industrial Internet of Things (IIoT), automotive telematics, and wearable technology, removable SIM cards are often impractical. Enter the USIM-Card MFF2, powered by the HED CIU98228H chip.

MFF2 (Machine-to-Machine Form Factor 2) is a small, surface-mountable smart card package that is soldered directly onto a device’s circuit board.

Why Choose the CIU98228H MFF2 Solution?

This solution is engineered for environments where durability and permanence are non-negotiable.

  • Rugged Design: Resistant to shock, vibration, and extreme temperatures (ideal for automotive and outdoor metering).
  • Soldered Reliability: Eliminates contact issues caused by corrosion or physical movement common in plug-in cards.
  • Compact Footprint: Saves valuable PCB space for miniaturized devices like smartwatches and trackers.
  • Long Lifecycle: Specifically designed to outlast the lifespan of the host device (10+ years).

Technical Comparison: TRIO vs. MFF2

To help you select the right product for your engineering needs, here is a breakdown of the specifications:

FeatureUSIM-Card TRIO (Plug-in)USIM-Card MFF2 (Embedded)
Chip ModelHED CIU98288FHED CIU98228H
Form FactorRemovable ID-1 / Plug-in (2FF/3FF/4FF)MFF2 (Solder-die / Wafer-level)
Target ApplicationMobile Phones, Tablets, Consumer DevicesAutomotive (V2X), Smart Meters, Asset Trackers
Mounting TypeSlotted into SIM traySurface Mount Technology (SMT)
Physical DurabilityStandard PVC/PET environmental protectionHigh resistance to temp/vibration/shock
Network Support5G / 4G LTE / 3G / 2G5G / 4G LTE / 3G / 2G (NB-IoT compatible)
Primary Use CasePost-paid/Prepaid RetailOEM Manufacturing / M2M Deployment

Why Source from HKCARD ELECTRONICS CO., LIMITED?

When it comes to telecommunications infrastructure, component quality determines network stability. Partnering with us ensures:

  1. Authentic Chipsets: We use genuine HED (HiDiD Electronic Design) chips, ensuring 100% compatibility with your baseband processors.
  2. Customization Services: From OS personalization to specific data pre-loading (ICCID/IMSI/Ki), we can tailor the cards to your exact specifications.
  3. Global Compliance: Our cards meet CE, FCC, and ISO 7816 international standards.
  4. Supply Chain Reliability: With stock available from Mainland China, we guarantee fast lead times for both prototypes and mass production orders.

Get Your Custom USIM Quote Today

Are you developing a new IoT device or launching a new telecom service? Let our experts help you choose between the TRIO Plug-in and MFF2 Embedded solutions.

Contact HKCARD ELECTRONICS CO., LIMITED now for samples, technical datasheets, and bulk pricing!

📧 Email: byronhan@cardmfg.com
🌐 Website: https://www.cardmfg.com/
📱 WhatsApp / WeChat: +86 158 1737 2512



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