Crimp SMA-W-RP/ZAC.H-155 Connector adapter No name — SMA reverse polarity crimp for H-155 coax

Crimp SMA-W-RP/ZAC.H-155 is a crimp-type SMA reverse polarity connector designed for use with H-155 and equivalent coaxial cables. It provides a threaded RP-SMA interface commonly required by Wi‑Fi equipment, telemetry modules, and RF test instruments. The connector is intended for cable assembly in field or workshop environments where restoring or creating RF leads is necessary.

Advantages

The crimp design ensures a mechanically secure and electrically consistent connection when fitted to suitable H-155 coax. Reverse polarity SMA configuration matches devices and antennas that require RP-SMA terminations while maintaining the standard SMA threaded coupling for secure mating. The connector's compact metal body supports reliable RF performance at typical Wi‑Fi and telemetry frequencies and is compatible with manual crimping tools used for small coaxial assemblies.

Suitable for

• Creating or repairing RF leads for Wi‑Fi routers and client devices
• Connecting antennas to telemetry and remote monitoring modules
• Laboratory and field RF test cable assemblies
• Custom cable assemblies for IoT and short-range radio systems

Key specifications

• Connector type: SMA reverse polarity (RP-SMA) crimp
• Intended cable: H-155 or equivalent small-diameter coax
• Contact gender: reverse polarity (center contact configuration for RP-SMA)
• Mounting method: crimp termination on cable shield and solder or crimp on center conductor depending on internal design
• Coupling: threaded SMA-style coupling nut
• Typical application frequencies: suitable for Wi‑Fi and other VHF/UHF RF bands (dependent on assembly quality)

How to use

Prepare the H-155 coax by stripping the outer jacket, exposing the braided shield and center conductor to the dimensions recommended for this connector type. Slide the crimp ferrule onto the cable, insert the prepared cable into the connector body so the center conductor seats in the pin and the shield is captured under the ferrule. Crimp the ferrule with an appropriately sized crimping tool to secure the shield, and apply the specified termination to the center contact (some designs require soldering, others use a crimp pin). Inspect the completed termination for proper mechanical retention and correct electrical continuity before use.

Usage recommendations

Use a crimping tool and ferrule sized for H-155 coax to achieve consistent connections. Verify polarity and mating compatibility with the device or antenna prior to final assembly, and perform a continuity or return-loss check if the lead is used in critical RF applications.