DJ0WH: RF

Showing posts with label RF. Show all posts

Many readers still get this wrong!

(c) Pxhere Last week, I posted a poll on LinkedIn where I asked: On a MOTOTRBO Capacity Max system, which of the following hardware configu...

Although my job title has the word "Presales" in it, once in a blue moon I get involved in already deployed systems. Some years ag...

Imagine this, if you will. A UHF trunked radio site is located on a hilltop site. The transmitter power is set to 25W and receiver sensitivi...

Image: Marco Verch CC BY 2.0 I got asked this question on Facebook the other day and the answer was too long to type in the comments. ...

I recently had this question at work. The customer wanted to know what the rules are for selecting frequencies - in this case, on a Capac...

Here's a short quiz (10 questions) about a few obvious things we tend to forget about. Take the quiz by clicking here .

Which is better, a Hybrid Combiner or Cavity Combiner? Why would a high gain antenna be a bad choice? Why is there interference on my r...