As the interior of a modern car often offers limited space and because it’s a pity to drill holes everywhere I’ve been searching for a way to mount the head…

A fellow ham had asked me whether I could program a couple of Motorola MTM700 tetra radios for him. To do so I could use my home made programmer. And…

Already quite some time Ive had a Cleartone CM5000 in my shack, waiting for some further investigation. The radio was sent to me by an OM because the radio showed…

When involved with tetra radios by Motorola you’ll unavoidably meet the MTM800. In it’s first appearance this radio looks like an analog Motorola GM380: rounded edges and a monochrome display. Furthermore…

For some reasons it was necessary to change the frequency of the Tetra Echolink node. As of today the node can be reached via 430.9250 MHz. All other parameters have…

When connecting the Echolink interface to the Motorola MTM800E the accessory connector at the back didn’t behave as expected. The interface had been used before with a ‘regular’ MTM800, and…

After the node had been switched off yesterday, everything is back to normal again today. Issues arose yesterday while swapping node transceivers. Already some time ago a Motorola MTM800E had…

Due to a change in the setup the Echolink <> Tetra node PE2KMV-L is temporary not available. There are some minor issues with the audio line from the interface into…

In fact the Motorola MTM800 which is acting since a while as Echolink node transceiver is a real mobile device. It has a remote control head and the optional GPS…

The latest addition to the Tetra-to-Echolink project is a Motorola MTM800E. In this case ‘E’ stands for ‘Enhanced’. Although the front of the radio looks identical to the MTM5400, this…