Description
This connector is built to handle the physical and electrical demands of 7/8″ aluminum main lines. The clamp design uses a precision-machined back-nut and internal rings to compress the corrugated aluminum outer conductor against the connector body, creating a 360-degree contact. This high-pressure interface is essential for maintaining ultra-low PIM (typically ≤ -160 dBc), which protects the receiver sensitivity of sensitive base station hardware.
Internally, it utilizes high-grade PTFE (Teflon) insulation and silver-plated center contacts for maximum conductivity. For long-term outdoor reliability, these connectors incorporate multi-stage silicone O-ring seals to achieve an IP68 waterproof rating, ensuring the aluminum cable remains free from moisture ingress and the subsequent oxidation that can degrade signal quality.
Key Technical Advantages
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Aluminum Compatibility: Engineered with materials and platings that are chemically compatible with aluminum shields to prevent galvanic corrosion at the contact point.
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Ultra-Low PIM Performance: Constructed with non-magnetic materials and high-pressure contact points to maintain PIM levels at or below -160 dBc.
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Rapid Field Installation: Often features “Positive Stop” or “Rapid Fit” designs that provide visual and mechanical confirmation of a correct fit without requiring specialized torque wrenches.
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Superior Power Handling: Designed to manage the high average and peak power levels associated with macro-cell base station transmitters.
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Weatherproof Protection: Rated for IP68 ingress protection, ensuring a reliable seal against rain, ice, and dust in exposed tower environments.
Key Features
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Cable Compatibility: 7/8″ Aluminum Corrugated Coax (AL5-50, AVA5-50, LDF5-50A).
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Impedance: 50 Ohm.
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Frequency Range: DC to 3 GHz (Standard); some versions rated up to 7.5 GHz.
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Connector Type: 7/16 DIN Male (Plug).
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Body Plating: Tri-Alloy (White Bronze) or Silver.
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Ingress Protection: IP68 (Mated).
Technical Summary
| Parameter | Specification (Typical 7/8″ AL Male Clamp) |
| Impedance | 50 Ohm |
| PIM (3rd Order) | ≤ -160 dBc @ 2 x 20W |
| VSWR | ≤ 1.10:1 (up to 3 GHz) |
| Insertion Loss | ≤ 0.05 dB |
| Center Contact | Silver-Plated Phosphor Bronze |
| Durability | ≥ 500 Mating Cycles |
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