dB to dBm Converter (with Examples)
What does it mean to convert from dB to dBm? dB is relative number while dBm is an absolute number. There is no explicit way to convert dB to dBm. …
Radio Frequency
Baofeng Radio Range
Baofeng radios are very popular world wide. A question that comes up a lot is: How far can my Baofeng radio reach? The answer depends on various factors: Use this …
dB Difference Calculator
This calculator finds the difference between two deciBel (dB) values. Example Calculation Let’s say you have an RF attenuator with a value 30 dB followed by an amplifier with gain …
GNSS Frequency Bands and Accuracy
Global Navigation Satellite System (GNSS) is one of the most important innovations in the 20th century. It is at the heart of many systems and technologies. GNSS encompasses many different …
Wi-Fi Receiver Sensitivity
The sensitivity of a radio is the minimum signal level at the input port required to demodulate and decode a signal. Wi-Fi Receiver Sensitivity is specified in dBm and varies …
What is a Bias Tee?
A bias tee or Bias-T is a three port network consisting of an inductor and capacitor as shown in the picture below. The three ports are: Applications in Signal Reception …
Link Margin Calculator
Link Margin (also known as Fade Margin) is the difference between the received RF signal power and the minimum signal level required for the receiver to demodulate a signal. The …
Link Budget Calculator
A Radio Frequency (RF) Link Budget is a summary of all the wireless signal power gains and losses in a communication system. Formula The link budget equation gives the receive …
S11 to Reflected Power Calculator
Enter S11 the input reflection coefficient, either as a linear number or dB. The tool will calculate the reflected power as a percentage of the incident power. Formula Γ = …
Voltage Ratio to dB
This tool converts from Voltage Ratio to dB or deciBel. Enter the Voltage Ratio (a positive real number) to get the equivalent dB value. 🔄 dB to Voltage Ratio Formula …