Search found 88 matches

by oe7abh
Mon Dec 05, 2022 8:07 am
Forum: TYT MD-UV380 / UV390 / Retevis RT-3S
Topic: Wind noise on internal microphone
Replies: 24
Views: 628

Re: Wind noise on internal microphone

Hi Roger, the internal microphone had an electrical fault. I replaced it with another one from the tinkering box. No more wind noise without modulation. Voice reproduction is good. :D The included antenna was also very very bad, it is resonant on 560Mhz - so unusable for amateur radio - I had to rep...
by oe7abh
Sun Dec 04, 2022 9:02 pm
Forum: TYT MD-UV380 / UV390 / Retevis RT-3S
Topic: Wind noise on internal microphone
Replies: 24
Views: 628

Re: Wind noise on internal microphone

Hi Roger,
I found the error (wind noise in TX). It was the micro. It is extremely small...
73 Alfred

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by oe7abh
Thu Nov 24, 2022 1:04 pm
Forum: TYT MD-UV380 / UV390 / Retevis RT-3S
Topic: Wind noise on internal microphone
Replies: 24
Views: 628

Re: Wind noise on internal microphone

Roger and Colin,

thank you for your support !

73 Alfred OE7ABH
by oe7abh
Thu Nov 24, 2022 8:01 am
Forum: TYT MD-UV380 / UV390 / Retevis RT-3S
Topic: Wind noise on internal microphone
Replies: 24
Views: 628

Re: Wind noise on internal microphone

Is the noise present with the official firmware ? I will do the test ! Please a little patience.... Original firmware restore RT3s: After restoring the flash, the original firmware worked again! I took this firmware-link (RT3s non GPS): https://www.retevis.com/rt3s-dual-band-dmr-radio-built-in-gps-...
by oe7abh
Thu Nov 24, 2022 6:39 am
Forum: TYT MD-UV380 / UV390 / Retevis RT-3S
Topic: ALPHA TYT MD-UV380 / RT-3S Installation information
Replies: 165
Views: 16469

Re: ALPHA TYT MD-UV380 / RT-3S Installation information

Roger, your installation guide RT3s: Is this the correct link for the original firmware? Can that be true? Radioddity has firmware for the UV380 via this link: https://www.tyt888.com/uploadfile/upfiles/20210415143046.zip I took this link (RT3s non GPS): https://www.retevis.com/rt3s-dual-band-dmr-rad...
by oe7abh
Wed Nov 23, 2022 4:19 pm
Forum: TYT MD-UV380 / UV390 / Retevis RT-3S
Topic: Wind noise on internal microphone
Replies: 24
Views: 628

Re: Wind noise on internal microphone

VK3KYY wrote:
Wed Nov 23, 2022 10:16 am
oe7abh wrote:
Wed Nov 23, 2022 10:05 am
Hi Roger,
In FM with OpenMDUV380 firmware the wind noise is also present, but not as disturbing as in DMR !
Is the noise present with the official firmware ?
I will do the test ! Please a little patience....
by oe7abh
Wed Nov 23, 2022 10:05 am
Forum: TYT MD-UV380 / UV390 / Retevis RT-3S
Topic: Wind noise on internal microphone
Replies: 24
Views: 628

Re: Wind noise on internal microphone

Hi Roger,
In FM with OpenMDUV380 firmware the wind noise is also present, but not as disturbing as in DMR !
by oe7abh
Wed Nov 23, 2022 7:25 am
Forum: TYT MD-UV380 / UV390 / Retevis RT-3S
Topic: Wind noise on internal microphone
Replies: 24
Views: 628

Re: Wind noise on internal microphone

Hello Roger, hello Colin!
Thanks for the quick reply!
I think it's the hardware. The radio is brand new!
At -15db it gets a little better, but doesn't eliminate the problem.
Alfred OE7ABH

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by oe7abh
Tue Nov 22, 2022 9:01 pm
Forum: TYT MD-UV380 / UV390 / Retevis RT-3S
Topic: Wind noise on internal microphone
Replies: 24
Views: 628

Re: Wind noise on internal microphone

Hi Colin,

AF level -> Without modulation -> PTT only!
With external handheld microphone, the effect is no longer present.
Info: External Antenna

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Alfred, OE7ABH