RF & Microwave Engineering

Advanced RF and microwave engineering calculators for high-frequency design. Analyze antenna propagation, calculate cable impedance, and estimate signal transmission loss with precision. Perfect for RF engineers optimizing wireless systems and maintaining signal integrity.

3D isometric illustration of two communication towers on blue mountains with a glowing neon line of sight and red obstruction pillars on a white background.

Terrain Obstruction Profile

Analyze signal paths with our interactive Terrain Obstruction Profile. Visualize line of sight, Fresnel zones, and topography for telecom and aviation planning.

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A 3D isometric render of two telecom towers on a curved blue Earth segment, connected by a glowing straight line of sight with floating mathematical symbols on a white background.

LOS Distance Formula

Calculate Line of Sight (LOS) distance with our free tool. Learn the formulas, earth curvature effects, and atmospheric refraction factors for radio and radar.

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A professional 3D technical render showing a semi-transparent blue glowing Fresnel Zone ellipsoid surrounding a line of sight path between two communication towers over hilly terrain.

RF Line of Sight

Model wireless link viability with our RF line of sight tool. Calculate Fresnel zone clearance and Earth bulge effects to ensure reliable point-to-point signals.

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A 3D isometric technical illustration comparing two antennas on a digital grid; a tall antenna with a large glowing signal sphere and holographic data bars vs. a short antenna with a weak signal bubble.

Antenna Height Gain

Calculate the correlation between antenna height and signal gain with this professional online tool. Determine how elevating your antenna affects signal coverage, path loss, and communication range. Essential for RF engineers and ham radio operators looking to optimize wireless link performance and overcome obstacles.

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Infographic illustrating the radio horizon distance concept, showing how antenna height extends the signal reach over the Earth's curvature.

Radio Horizon Calculator

Calculate theoretical radio horizon distance based on antenna height. Explore formulas, atmospheric refraction effects, and dual-antenna system link planning.

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3D illustration comparing a clear signal wave against background noise for SNR calculation

Signal-to-Noise Ratio (SNR) Calculator

Use this powerful, interactive calculator to measure the Signal-to-Noise Ratio (SNR) of your data. Whether you’re in audio, imaging, or communications, understand what your SNR means and how to improve it.

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3D cross-section diagram of a coaxial cable illustrating inner and outer conductor diameters for impedance calculation

Coaxial Cable Impedance Calculator

Use this tool to calculate the characteristic impedance of a coaxial cable from its physical dimensions. Learn the formula, standard values, and the importance of impedance matching.

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3D illustration of a line-of-sight path between two points over a curved Earth horizon

Line of Sight Calculator

Calculate radio horizon and assess signal path clearance for wireless links. This tool helps engineers, technicians, and RF planners determine if a direct line of sight exists, accounting for Earth’s curvature and atmospheric refraction.

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3D illustration showing radio wave propagation and power gain between two antennas based on the Friis equation.

Friis Transmission Calculator

Calculate received power, distance, and antenna gain with our Friis Transmission Calculator. Includes free-space path loss and logarithmic formulas for RF design.

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