3D printed Hytera and Tytera
handheld transceiver brackets

image of 3D printed bracket image of 3D printed bracket

The Hytera and Tytera hand held radios are well made and durable transceivers. However a few people in the Worthing Radio club have had problems with them in the car for example when using them with an external microphone and also when using them at home with a plug-in DC power unit. The mic lead can be a bit stiff, tending to drag the radio about a bit when you reach and pull on the mic lead to talk. Further to this when you want to use the radio from home and use the plug-in DC power unit (to replace the batteries) you have the problem that the radio can not now stand-up on a flat surface, because the power lead is coming out of the bottom of the radio. So we needed to design brackets to hold the radios in place - a nice project for a 3D printer.

The Hytera and Tytera handheld transceivers are slightly different sizes and dimensions and so the 3D printed brackets are slightly different sizes for each radio. Further to this the DC cable comes out on different sides on the two radios. So the cable slot on the base also had to be different for the two radios. The first attempts at printing were almost spot-on but we were worried that they actually fitted 'too well', and in time might scratch the sides of the radios. So we widened the brackets so that protective rubber matting, or insulation / gaffer tape could be fitted on the inside of the plastic walls.

I designed the brackets with three or four mounting holes so that they could be screwed to a car dashboard or radio-room bench. In the bench device we also used a piece of bent aluminium to create a metal support that held the radio at a convenient right angle (see photos). On the second version of the 3D printing we decided to make the plastic walls 3mm thick instead of 2mm to add a bit more strength and durability to the bracket.

My thanks to Gordon (M0OTA) and John (2E0JJX) for suggesting I make the holders using my 3D printer and for ideas and inspiration and for measuring up the radios so well :-)

image of 3D printed bracket

For more details please e-mail me: j.p.hare@sussex.ac.uk 

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THE CREATIVE SCIENCE CENTRE
Dr Jonathan Hare, Physics Dept., The University of Sussex
Brighton, East Sussex. BN1 9QJ.

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