Baofeng vs Retevis (which one is better?)

Amateur radio is as popular as ever and there are a number of radio hardware manufacturers with products on the market today. The most popular and cost-effective option is Baofeng. …

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Rigol vs Siglent – which is better?

When it came to picking a scope for the lab, there was a time when the only scopes worth purchasing were Tektronix or Agilent. But that was 20 years ago. …

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RF Filter Bandwidth (with a calculator)

A filter is a product that as the name suggests, filters signals of interest and rejects everything else. In this post we discuss a key specification of filters namely, Bandwidth. …

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Wilkinson Power Divider

Introduction Wilkinson power dividers, also known as splitters, are essential components in RF and microwave circuits. These devices are used to divide or split a single input power signal into …

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dBm vs dB – What’s the Difference?

dB is often confused with dBm. They are very different. dB stands for deciBel and dBm stands for deciBel relative to 1 milliwatt. Let’s get into the details. What is …

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Can Baofeng talk to CB Radio?

For two radios to be able to communicate, the main requirement is that they be able to operate at the same frequency. Baofeng radios and CB radios cannot do this …

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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 …

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Mbps vs MBps – What’s the difference?

Mbps is short for Megabit-per-second. MBps is short for Megabyte-per-second. Both represent the amount of data transferred per second across a wired or wireless communication channel. Note the small ‘b’ …

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