08-04-2024, 03:13 PM
Hi and welcome to the forum. You are not the first non-amateur to post requests for info and probably not the last.
The answer is probably defined by the arrangements within a GME optional speaker/mic, if available. That helps show what type of microphone insert is used and whether there is an integrated preamplifier stage, and whether (and how much) voltage is supplied to the mic insert. By default, electrets are always a very high impedance. Of course it could be that the insert is a dynamic mic and therefore low impedance and thus incompatible. That would make any recovered audio very low in level.
I doubt that there are schematics available for either the handheld or an optional mic but maybe the radio's specs might tell at least some of the story. That means you will need to quote the GME model number for any of us to find relevant details.
The image of the headset is not clear enough to see details so a link to it at ALIExpress might prove useful to see it's electronic specs too.
Awaiting more details from you...
Doug VK4ADC
The answer is probably defined by the arrangements within a GME optional speaker/mic, if available. That helps show what type of microphone insert is used and whether there is an integrated preamplifier stage, and whether (and how much) voltage is supplied to the mic insert. By default, electrets are always a very high impedance. Of course it could be that the insert is a dynamic mic and therefore low impedance and thus incompatible. That would make any recovered audio very low in level.
I doubt that there are schematics available for either the handheld or an optional mic but maybe the radio's specs might tell at least some of the story. That means you will need to quote the GME model number for any of us to find relevant details.
The image of the headset is not clear enough to see details so a link to it at ALIExpress might prove useful to see it's electronic specs too.
Awaiting more details from you...
Doug VK4ADC
Doug VK4ADC @ QG62LG51
http://www.vk4adc.com
This Forum is only going to be as interesting as the posts it contains.
If you have a comment or question, post it as it may trigger or answer the query in someone else's mind.
http://www.vk4adc.com
This Forum is only going to be as interesting as the posts it contains.
If you have a comment or question, post it as it may trigger or answer the query in someone else's mind.