Description
The F-type surge protector is a critical safety component designed to shunt high-voltage transients to ground before they can reach and damage sensitive electronic equipment. This variant features an F-Type Male to F-Type Female (Plug to Jack) inline configuration, allowing it to be easily installed between an incoming coaxial lead and the equipment port. Optimized for applications up to 3GHz, it provides a wideband solution for both analog and digital signals, including MoCA, satellite L-band, and high-definition cable television.
The device utilizes a Gas Discharge Tube (GDT) mechanism that triggers at a specified voltage threshold, redirecting the surge to a dedicated grounding terminal. Its robust construction ensures minimal insertion loss and excellent return loss, maintaining signal integrity while providing a sacrificial barrier against electrical surges. Manufactured with a nickel-plated brass body and high-quality internal components, it is built to withstand environmental conditions in both residential and professional installations.
Key Technical Advantages
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High-Frequency Performance: Supports a wide frequency spectrum from DC to 3GHz, making it fully compatible with modern satellite (LNB) and high-speed cable internet frequencies.
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Rapid Response Time: The integrated gas discharge tube reacts nearly instantaneously to voltage spikes, providing superior protection against lightning-induced transients.
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Low Signal Interference: Precision-engineered to ensure minimal insertion loss and low VSWR, preventing signal tiling or speed reduction in high-sensitivity digital paths.
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Inline “Pass-Through” Design: The M/F interface allows for simple integration into existing cable runs at the point of entry or directly at the equipment.
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Dedicated Grounding Port: Features a heavy-duty grounding screw to ensure a low-impedance connection to the main building ground, which is essential for effective surge diversion.
Key Features
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Interface Type: F-Type Male (Input/Cable Side) to F-Type Female (Output/Equipment Side).
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Technology: Gas Discharge Tube (GDT) Surge Arrestor.
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Frequency Range: DC – 3.0 GHz.
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Impedance: 75 Ohm (Standard).
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Body Material: Nickel-Plated Brass for durability and corrosion resistance.
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Common Application: Satellite television systems, CATV head-ends, broadband modems, and MoCA-enabled home networks.
🔹 Applications:
- CATV and broadband system protection
- RF signal line safety
- Cable TV installations
- Antenna systems
- Communication networks
- RF testing setups









Deepak Sant (verified owner) –
Really worth the price and the product quality is excellent. Packaging was secure and delivery was on time. Much better option for Indian customers instead of importing from outside India. Thank you AetherX!
Kalpana (verified owner) –
Fast delivery, proper packaging, and excellent RF product quality. Will definitely order again.