HF Radio Range Calculator

HF Radio Range Calculator

The HF band extends from 3 MHz to 30 MHz. In a previous article, we discussed HF propagation and antennas. In this post, we compute how far an HF signal …

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How Far will 5G Reach?

5G Range distance Calculator

5G networks are being deployed around the world and one of the biggest differences between 4G and 5G is the range specially when it comes to mmWave frequencies. In this …

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Can Mobile Phones Read RFID Tags?

Can Mobile Phones Read RFID Tags

Yes, mobile phones can read RFID tags. RFID tags come in different types. One of those types is NFC or Near-Field Communication. Mobile smart phones can read NFC tags. For …

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Baofeng vs. Yaesu

Baofeng vs Yaesu

A walkie-talkie, formally known as a handheld radio transceiver, is a portable two-way radio that can be used for a wide variety of applications including military, amateur radio and personal …

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What is a Bias Tee?

Updated April 2022 A bias tee or Bias-T is one of the most useful Software-defined Radio (SDR) accessories you have likely never heard of. Low Noise Amplifiers are used to …

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10 m Dipole Length Calculator

This tool calculates the physical dimensions of a 10 meter dipole antenna. At 10 meters, the dipole length (L) is 15.61 feet. The length of each element of the dipole …

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2 m Dipole Length Calculator

This tool calculates the physical dimensions of a 2 meter dipole antenna. At 2 meters, the dipole length (L) is 3.12 feet. The length of each element of the dipole …

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160 m Dipole Length Calculator

This tool calculates the physical dimensions of a 160 meter dipole antenna. At 160 meters, the dipole length (L) is 249.8 feet. The length of each element of the dipole …

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Voltage Divider Calculator with 3 Resistors

This tool calculates the voltage across each of three (3) resistors in series. Enter the Input Voltage Vin, and resistor values R1, R2, and R3. Formula V1=Vin*R1/(R1+R2+R3) V2=Vin*R2/(R1+R2+R3) V3=Vin*R3/(R1+R2+R3) The …

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