Coaxial Cable DeLOCK 12028 0.25 m SMA I-PEX MHF4 Black

The DeLOCK 12028 coaxial cable is a 0.25 m cable with an SMA connector on one end and an I-PEX MHF4 connector on the other. Designed for short, reliable RF signal runs in compact electronic assemblies, it provides a secure connection between devices with differing connector formats. The cable's compact length makes it suitable for installations where space is limited and a neat, low-loss connection is required.

Advantages

This coaxial cable combines the mechanical robustness of an SMA plug with the space-saving I-PEX MHF4 interface, enabling stable RF transmission in tight spaces. Its short length reduces potential signal attenuation compared with longer leads and limits EMI pickup. The cable is lightweight and easy to route in confined housings or behind panels, and the standard connector types ensure compatibility with a wide range of wireless modules and antenna assemblies.

Suitable for

• Connecting wireless modules to external antennas in compact devices
• Internal RF routing in routers, IoT gateways, and embedded systems
• Prototyping and test setups that require SMA to I-PEX MHF4 adaptation
• Replacing short or damaged RF pigtails in constrained enclosures

Key specifications

• Cable length: 0.25 m
• Connector A: SMA (male)
• Connector B: I-PEX MHF4 (MHF4 female type interface)
• Impedance: 50 Ω characteristic impedance
• Color: black outer jacket
• Application: RF signal/pigtail for short runs

How to use

Align the SMA connector with the mating SMA jack and screw the coupling nut by hand until snug; avoid over-tightening to prevent damage to the connector interface. For the I-PEX MHF4 end, carefully align the small plug with the module socket and press gently until it seats; verify correct orientation before insertion to avoid damaging the tiny pins. Route the cable to avoid sharp bends or kinks and secure it with gentle clamps or adhesive mounts if necessary to prevent strain on the connectors.

Recommendations

Use this short coaxial cable for internal RF connections where minimal signal loss and secure mechanical mating are required. Keep bend radius moderate, avoid repeated mating cycles on the I-PEX interface, and inspect connectors for debris before connection. For installations exposed to vibration, add strain relief near each connector to preserve long-term contact integrity.