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 …

Read more

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 …

Read more

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 …

Read more

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 …

Read more

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 …

Read more

UHF Antenna Length Calculator

The UHF (Very High Frequency) range is 300 MHz to 3000 MHz (3 GHz). Use this calculator to find the dimensions of a Dipole antenna designed to operate at this …

Read more

VHF Antenna Length Calculator

The VHF (Very High Frequency) range is 30 MHz to 300 MHz. Use this calculator to find the dimensions of a Dipole antenna designed to operate at this frequency range. …

Read more

dBm to Distance Calculator

This tool uses the transmitter power and receiver sensitivity in dBm to calculate the maximum distance (miles or km) that can be achieved in a communication system. The system includes …

Read more

RMS Average Calculator

The Root mean square (RMS) average of a set of values is the square root of the arithmetic mean of the squares of the values. The formula for this is …

Read more

dB Difference Calculator

This calculator finds the difference between two dB values. Example Calculation Let’s say you have an RF attenuator with a value 30 dB followed by an amplifier with gain 20 …

Read more