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Cobra MicroTalk2 FRS 250

jgorman21

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Feb 21, 2008
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Glenmont N.Y.
I have used several of these radios over the years for short range comms and they are great! Recently one of them has developed very low audio. Almost non-existent! I was wondering if anyone else had experienced this and could suggest a solution? Is there a factory reset that might work?

Thanks.
 

K4EET

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Feb 18, 2015
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Severn, Maryland, USA
I have used several of these radios over the years for short range comms and they are great! Recently one of them has developed very low audio. Almost non-existent! I was wondering if anyone else had experienced this and could suggest a solution? Is there a factory reset that might work?

Thanks.
When you say "very low audio", what audio are you talking about? Transmit audio or receive audio?
 

Agent_K

Newbie
Joined
Dec 18, 2006
Messages
1
Location
Pacific Northwest
Nope! Checked the mic receptacle. Nothing in there. Afraid I’m going to have to open it up!
I had the same issue with one of mine. When you open it up, there is a deviation adjustment under the front cover. All I had to do was turn it slightly and the transmit audio was back to normal.
 

jgorman21

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Feb 21, 2008
Messages
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Glenmont N.Y.
Nothing in the mic receptacle. Tried turning the deviation up and down...nothing. Might be time to "retire" this one?

Thanks for all the suggestions though!
 

n1das

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Feb 17, 2003
Messages
1,433
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Nashua, NH
Nothing in the mic receptacle. Tried turning the deviation up and down...nothing. Might be time to "retire" this one?

Thanks for all the suggestions though!
It might time to retire it and move on.

I stumbled across some FRS radios while surfing Retevis' site and found some based on a commercial design and have super long operating time and are USB-C chargeable. $40 for a pair on Amazon. I ordered some and now have 4 of them (2 pairs) to play with. They are built rugged, sound EXCELLENT, and go a LONG time on a charge with the 4400mAh battery.

This might be a good way to go if you want a rugged and simple no-frills FRS radio based on a commercial design instead of something designed to be another consumer grade FRS bubble pack. They appear to be a 2W 16 channel UHF commercial radio that was FRS'd.

RB17 thread in the Budget and Entry Level Transceivers forum:
 
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jgorman21

Member
Premium Subscriber
Joined
Feb 21, 2008
Messages
209
Location
Glenmont N.Y.
It might time to retire it and move on.

I stumbled across some FRS radios while surfing Retevis' site and found some based on a commercial design and have super long operating time and are USB-C chargeable. $40 for a pair on Amazon. I ordered some and now have 4 of them (2 pairs) to play with. They are built rugged, sound EXCELLENT, and go a LONG time on a charge with the 4400mAh battery.

This might be a good way to go if you want a rugged and simple no-frills FRS radio based on a commercial design instead of something designed to be another consumer grade FRS bubble pack. They appear to be a 2W 16 channel UHF commercial radio that was FRS'd.

RB17 thread in the Budget and Entry Level Transceivers forum:
Thank you. I am currently running several different kinds. The voice scrambling option on these 250’s is nice to have. I’ve scooped a few from EBay “on the cheap!
 

n1das

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Feb 17, 2003
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Nashua, NH
The Retevis RB17 does have audio inversion scrambling. It is an unadvertised feature and can be enabled or disabled per channel in the CPS. I wonder how they got that one by the FCC, LOL. Maybe don't ask, don't tell. I have used the inversion scrambling feature with the RB17 just enough to verify that it works.

The RB17 also has audio companding which can be enabled or disabled per channel, to be compatible with the Motorola Talkabouts, or not. The compander is OFF by default on all channels.
 

jgorman21

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Feb 21, 2008
Messages
209
Location
Glenmont N.Y.
The Retevis RB17 does have audio inversion scrambling. It is an unadvertised feature and can be enabled or disabled per channel in the CPS. I wonder how they got that one by the FCC, LOL. Maybe don't ask, don't tell. I have used the inversion scrambling feature with the RB17 just enough to verify that it works.

The RB17 also has audio companding which can be enabled or disabled per channel, to be compatible with the Motorola Talkabouts, or not. The compander is OFF by default on all channels.
Great info! Thanks for sharing.
 
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