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ToggleRewritable Blank Test SIM Card (4G LTE / 5G Test USIM) for Device & Network Validation
A blank test SIM card (also called a test white SIM/USIM) is a rewritable, programmable smart card designed for professional testing. HKCARD ELECTRONICS CO., LIMITED supplies blank test SIM/USIM cards that can be cut/punched into Mini-SIM (2FF), Micro-SIM (3FF), and Nano-SIM (4FF) sizes, making them ideal for mobile phone testing, communication test instruments, and LTE/5G lab verification.
For authorized users who have the required test credentials / operator-approved data, these cards can be used to perform read/write and functional validation in controlled test environments.
4G/5G Test White Card (USIM) — Typical Use Cases
HKCARD 4G/5G blank test cards are commonly used for:
- LTE (4G) USIM testing for smartphones, modules, routers (CPE), and IoT devices
- Core network and base station testing (lab integration, verification, regression testing)
- Comprehensive tester/instrument testing in R&D and QA workflows
- Engineering tests requiring repeatable rewriting and stable card performance
These products are often referred to as 4G core network & base station dedicated test cards, 4G test white cards, or LTE test USIM cards.
Key Specifications (Parameter Overview)
- Factory card body size (ID-1): 85.6 × 54 × 0.80 mm
- Milling / punch-out sizes:
- Mini-SIM (2FF): 25 × 15 × 0.8 mm
- Micro-SIM (3FF): 15 × 12 × 0.8 mm
- Nano-SIM (4FF): 12.3 × 8.8 × 0.7 mm
- Data capability: supports high-speed test profiles (performance depends on network/device environment)
- Security / encryption: can be handled based on customer project requirements
- Operating temperature: -20°C to +60°C
- Rewrite endurance: up to 100,000 cycles
- Card material: PVC
- Chip type: CPU-based smart card
- Packaging: neutral packaging
Why Choose HKCARD ELECTRONICS CO., LIMITED?
- Consistent manufacturing quality for repeat test batches
- Multiple SIM form factors (2FF/3FF/4FF) to match different devices
- High rewrite endurance for long-term lab usage
- Clear communication for specifications, customization, and delivery coordination
Contact HKCARD ELECTRONICS CO., LIMITED
📧 Email: byronhan@cardmfg.com
🌐 Website: https://www.cardmfg.com/
📱 WhatsApp / WeChat: +86 158 1737 2512
#BlankTestSIM #TestUSIM #LTE4GTesting #5GTesting #SIMCardSupplier

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