Connector solutions for automotive antenna system

Automotive-grade characteristic technology Vibration protection technology Passed USCAR-2 vibration test (20-2000Hz/50G)

pain point	Technical countermeasures	Product realization
Vibration causes contact failure	Triple locking structure (axial + radial + thread anti-loosening)	FAKRA-XTR rugged connectors
Electromagnetic Interference (EMI)	360° full shielding + ferrite magnetic ring	HFM(R) High Frequency Connector System
Chemical corrosion	Gold Plating + Nano Seal Coating (Oil/Antifreeze Resistant)	Fully sealed SMA waterproof series
High-density integration	Modular composite interface (RF + power + data)	H-MTD(R) all-in-one connector

Core product solutions
1. Smart antenna connection system

Antenna type	Dedicated connection scheme	Technical indicators
Shark fin integrated antenna	FAKRA color-coded interface	6GHz@1.5VSWR
5G-V2X antenna	HFM(R) high-speed interface	15GHz bandwidth
Satellite navigation antenna	SMA anti-polar anti-shake design	IP68 protection
millimeter-wave radar	HSD-Mini micro interface	40GHz ultra-low loss

2. Automotive-grade characteristic technology
Vibration protection technology

Passed USCAR-2 vibration test (20-2000Hz/50G)

Self-locking structure (contact resistance change <2mΩ in vibration environment)

Temperature adaptive design

-40°C~125°C wide temperature range compensation structure

Liquid crystal polymer (LCP) insulator (coefficient of thermal expansion matched metal)

EMC full protection system
⚡ Twisted pair shielding coverage≥85%
⚡ Transmission line impedance tolerance ±3Ω (ISO 20653 standard)

Typical application scenarios
Intelligent antenna system for new energy vehicles
Solution Architecture:

Roof antenna module → H-MTD composite connector → Coaxial cable → Automotive 5G T-BOX (integrated RF/ETHERNET/USB) → intelligent cockpit domain controller

Technical Highlights:

Support 15 signal parallel transmission (including GPS/5G/V2X/WiFi)

40% weight reduction of the wiring harness (diameter only 3.8mm)

Autonomous driving millimeter-wave radar
Dedicated Scheme:

HSD-Mini connector for 79GHz radar

Characteristic:
✅ Insertion loss <0.3dB@76GHz
✅ Phase Consistency± 2° (4 Channels)
✅ The blind insertion error tolerance ± 0.5mm

Key words:

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Motherboard-level high-speed interconnect solution Micro board end connectors Supports WiFi 6E/7 bands (5.8GHz/6GHz)