DJ0WH

Merry Christmas everyone!

Tuesday, December 25, 2018

No matter who you are; where you are or what you believe, wishing you and yours peace joy happiness. Merry Christmas! ...

Cannot connect to Radio Management server?

Tuesday, December 18, 2018

Please refer to this document which contains updates and other useful information.

Why a mobile radio is not a good repeater IMHO

Tuesday, December 11, 2018

While a mobile can be powered from the mains and can be connected to an external antenna, it is not optimal for use as a repeater. Here...

RSSI threshold settings in Capacity Max.

Tuesday, December 04, 2018

There are three RSSI threshold settings in a Capacity Max radio which will determine how it performs when registering and while roaming betw...

Will a PMNN4489A make your MOTOTRBO radio intrinsically safe?

Tuesday, November 27, 2018

PMNN4489A is one of the TIA-4950 batteries used on the intrinsically safe DP4000 series. So if one took a normal (non-TIA-4950) radio and...

PMREXPO 2018

Tuesday, November 20, 2018

Next week, my colleagues and I will be on the Motorola Solutions stand at the 2018 PMR Expo in Cologne, Germany. If you can make it...

Backup your password

Tuesday, November 13, 2018

I've had a few people ask whether it's possible to retrieve a forgotten password, either from Radio Management, or from an indivi...

(Missing) Comments and Disqus

Saturday, November 10, 2018

In the early hours of 10 November 2018, I got hit big time by a spam commenter trying to sell a certain product that is completely unre...

Are you involved with sales? If yes, I'd like to get your opinion!

Thursday, November 08, 2018

Are you involved with sales? If yes, I'd like to get your opinion. This survey will help me with a small project I'm busy with a...

Ordering TETRA CPS Plus

Tuesday, November 06, 2018

For Motorola Channel Partners in EMEA, the TETRA CPS+ can be downloaded from Motorola Online. The CPS does however require a licence (on...

List of known TCP and UDP ports used on MOTOTRBO

Tuesday, October 30, 2018

Here is a list of known TCP/UDP ports that you may come across in a Capacity Max system. Some ports are also used in other topologies lik...

Off hook disables PL and the metal thingy on the back of the microphone

Thursday, October 04, 2018

Off-hook Disables PL In the MOTOTRBO CPS, under General Settings is the above tick box that's ticked by default. In this mode, th...

Some MOTOTRBO CPS error codes and how to solve them

Tuesday, September 11, 2018

UPDATE (28.05.19) The below is only applicable to CPS 16.0 and earlier. CPS2 has different error codes that are in form of 100XXXX w...

SOLAS: Do you need an ATEX radio?

Tuesday, September 04, 2018

** There's been a lot of talk in the industry about the revised IMO SOLAS Convention. For those of you who aren't aware...

Big radio fleet, lots of batteries? Here's something for you...

Thursday, August 23, 2018

Fact: A portable two-way radio is only as good as the battery that powers it. When customers have large fleets of radios its often diff...

Oh, I didn't know that: Repeater status via a web browser

Tuesday, August 14, 2018

Screenshot from one of my YouTube videos showing what you can see. Using a web browser, it's possible to get status; control and er...

Old skool stuff: cannot read radio

Friday, August 10, 2018

This has nothing to do with MOTOTRBO but I thought I would post it as a reference for future use. Some background and experience Many...

DM4000 series accessory connector pinouts

Tuesday, August 07, 2018

Pulling pin 17 to ground will activate PTT function, activating the auxillary microphone input. Receive Audio is a fixed level (in...

An idea: Poor Mans Wireless PAGA

Tuesday, August 07, 2018

Using a DM4400 (or DM2600); a Car Audio Amplifier; Horn Speakers and 12V Power Supply, it's possible to create a Public Address system t...

Repeater remote control from a radio

Tuesday, July 31, 2018

Update:04.09.2018 Dynamic Mixed Mode provides a convenient means of providing repeater coverage for both analogue and digital radio users...