Description
The UHF Tee-Type Adapter (Female-Female-Male) is a rugged RF component designed to branch a single high-power signal path into two using one standard UHF Male interface (PL-259 style) and two UHF Female interfaces (SO-239 style). While standard UHF connectors are staples in HF, VHF, and UHF bands, this high-specification variant is engineered with superior internal geometry and dielectrics to extend its utility into the microwave spectrum. This makes it a reliable choice for high-power antenna manifolds, ham radio signal routing, and ruggedized RF laboratory manifolds requiring performance up to 4 GHz.
The adapter features a Nickel-Plated Brass body for exceptional mechanical strength and resistance to environmental corrosion. To ensure signal fidelity and low contact resistance, it utilizes Gold-Plated or Silver-Plated center contacts that provide a reliable signal path through repeated mating cycles. The 5/8″-24 threaded interfaces provide a secure, high-retention connection. This specific F-F-M layout is optimized for mounting directly onto a piece of equipment’s female port (such as a transceiver or wattmeter), effectively splitting the signal into two paths for simultaneous transmission and monitoring.
Key Technical Advantages
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Exceptional Power Handling: Optimized for high-wattage applications, managing significantly more power than miniature connector types (SMA/BNC).
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Extended Bandwidth: Precision-machined to perform up to 4 GHz, offering greater versatility for modern communication testing compared to standard low-frequency UHF hardware.
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Direct Instrument Mounting: The single male port allows the adapter to be threaded directly onto SO-239 chassis ports, reducing cable bulk and signal path complexity.
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Rugged Mechanical Stability: The heavy-walled brass construction and threaded coupling provide a vibration-resistant connection ideal for mobile command centers and maritime use.
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High-Grade Signal Path: Features PTFE (Teflon) insulators to provide superior thermal stability and lower signal attenuation in critical high-power paths.
Key Features
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Adapter Type: Tee-Type (T-Shape).
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Interface: 2x UHF Female (SO-239) and 1x UHF Male (PL-259).
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Impedance: Non-constant (Optimized for 50 Ohm systems).
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Body Material: Brass (Nickel Plated).
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Contact Material: Phosphor Bronze or Beryllium Copper (Gold or Silver Plated).
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Insulator: PTFE (Teflon).
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Common Applications: High-power antenna signal branching, amateur radio (Ham) monitoring, maritime communication systems, and ruggedized RF test manifolds.
Technical Summary
| Parameter | Specification (Typical) |
| Impedance | Non-constant |
| Frequency Range | DC to 4 GHz |
| VSWR | ≤ 1.35 @ 4 GHz |
| Working Voltage | 500 V Peak |
| Insulation Resistance | ≥ 5000 MΩ |
| Mating Cycles | ≥ 500 Cycles |








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