Description
The N Female to N Female Adapter is an essential RF component used to bridge two male N-type interfaces. The N-type connector is a medium-sized, threaded interface valued for its durability and excellent power handling compared to smaller connectors like SMA. This adapter is a “within-series” coupler, meaning it maintains the same connector type on both sides while effectively changing the gender of the connection path. It is widely used in Distributed Antenna Systems (DAS), 5G/4G signal boosters, and ham radio setups where extending cable runs is necessary without introducing significant signal degradation.
Most professional-grade adapters feature a nickel-plated or tri-metal (white bronze) plated brass body for maximum corrosion resistance in outdoor environments. The internal construction includes gold-plated or silver-plated center contacts and PTFE (Teflon) insulation to ensure low contact resistance and high dielectric stability. Whether you are connecting a long run of LMR-400 cable or setting up an antenna donor link, this adapter provides the mechanical strength and electrical precision required for modern high-frequency communications.
Key Technical Advantages
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Ultra-Wideband Performance: Optimized for linear performance from DC up to 11 GHz (with precision versions reaching 18 GHz), covering all cellular, Wi-Fi, and satellite bands.
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Minimal Signal Loss: Engineered for an ultra-low insertion loss (typically ≤0.15 dB) and low VSWR (≤1.15 to 1.3), ensuring the highest possible data throughput and signal clarity.
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Superior Weatherproofing: Designed for permanent outdoor installation, the threaded N-type interface and internal gaskets provide a moisture-resistant seal (often IP67/IP68 rated when mated).
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Rugged Mechanical Coupling: The threaded design provides a high-torque, vibration-resistant connection that won’t loosen under mechanical stress or environmental changes.
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Excellent Power Handling: Significantly higher power capacity than smaller RF interfaces, making it suitable for base station transmitters and high-voltage surge protectors.
Key Features
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Adapter Type: Straight Barrel / In-Series Coupler.
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Interface: 2x N-Type Female (Jack).
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Impedance: 50 Ohm.
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Body Material: Nickel or Tri-Metal Plated Brass.
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Contact Material: Gold or Silver Plated (Beryllium Copper/Brass).
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Insulator: PTFE (Teflon).
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Common Applications: Cable extensions for 4G/5G antennas, cellular signal booster installation, and RF laboratory testing.
🔹 Applications:
- RF cable coupling and extension
- Antenna system connectivity
- Telecom and base station installations
- RF signal distribution systems
- Test lab setups
- Outdoor RF networks


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