Question about Cobra 18 Wx St Ii Mobile Cb Radio

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Corbia marine cb radio 41 plus

Can you tell me if this radio puts out more power than a regula cb radio

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All marine and CB radio are either 4 watts or 5 watts. So no CB and marine radios are the same power out

Posted on May 01, 2009

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If it is a CB radio it is limited to what all the other cb radios do. You can get them "tuned up" but its illegal and depending who does it can harm the radio.

Posted on Dec 28, 2008

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1 Answer

Will a Midland 75--810 communicate with a marine band radio?

Sorry Paula
The 75-810 is an CB radio that DOES have Wx capability.

Hoe this helps you out.

Oct 31, 2015 | Boating

1 Answer

My cb won't come on or do anything

If you have avolt meter or 12 volt test lamp, try attaching the leads to the plug that plugs into the CB. If there is no voltage or the lamp doesn't come on if you use a test lamp, you may just have a blown fuse. If you are using a cigarette light plug, there may be a fuse in the tip that connects to the center of the lighter jack. If you are getting voltage or the lamp does light, you may have a defective on/off switch. If you blow fuses when the CB is plugged in, you may have a blown polarity protection diode inside of the CB on the main PC Board. If you are not handy soldering, you'll want to leave that job to someone who is. Typically, the Polarity Protection Diode is Black and is mounded very close to where the power wires that come from the plug solder to the PC Board. I hope this helps. :-)

Sep 14, 2013 | Cobra 18 Wx St Ii Mobile Cb Radio

1 Answer

It won't turn on or do anything

Your sure that the fuse is good, the Positive and negative connections are good and that the CB PA Switch is in the CB Positi0n?

Sep 14, 2013 | Cobra 18 Wx St Ii Mobile Cb Radio

1 Answer

I want talkback on cobra 18 WX ST

Probably to Chassis Ground. You may want to experiment with the resistor value if you use a power mic. A 100 Ohm resister may be too low a value and cause audio feedback if you do use a power mic.

Aug 13, 2012 | Cobra 18 Wx St Ii Mobile Cb Radio

1 Answer

My radio transmits fine. Until recently it received fine. Now it transmits but it does not receive. I've played with the squelch and volume. No luck. Can you advise.

Your finals are fried. Take it to a shop and they will fix the finals. Before you do that be sure to put in an extension speaker just to be sure. Most CB shops are inexpensive.

Aug 29, 2011 | Uniden Solara DSC VHF Marine Radio

1 Answer

Could you please tell me the MAX current drain off the 12 Volt line. Thank you.

It shouldn't be more than 2 1/2 or 3 amps at the most. It's pretty low.

Jul 14, 2011 | Cobra 18 Wx St Ii Mobile Cb Radio

1 Answer

My cobra 29 NW/WX won't power up.

could be a lot of things. could be the audio chip. radio could be toast. its not something some one can tell you how to fix on fixya.

it needs a radio tech.

Apr 21, 2009 | Cobra 18 Wx St Ii Mobile Cb Radio

2 Answers

Mobile Cobra CB Squeels on other people's radios when I transmit.

Hello winfieldweth,

Have you tried measuring the power output of your radio? If you do, I bet you that the power output is over 4watts PEP. This could be caused by a component changing value over time. What I would suggest you do is to measure the power first to see if the power is over 4watts PEP and then proceed from there. I don't believe it's a grounding issue since the antenna being used is made for a no ground condition. Now if you are planning to use a ground type antenna, I would suggest that you not do that, only because just grounding the antenna will technically do no good, since when the say ground what they are talking about is a ground plane no just a grounding point.

Check your power and then we can start repairing this problem.

I hope this helps, keep me informed on the progress.

Thank you,


Feb 18, 2009 | Cobra 18 Wx St Ii Mobile Cb Radio

1 Answer

Handheld Marine Radio

This applies to all battery powered radios. Take out the battery and measure the voltage to see if it is indeed charged. If it's not, then the fault is the charger or the battery or both. If the battery voltage shows that it is fully charged, then clean the terminals on the battery and on the radio with a pencil eraser to remove any corrosion. If still no joy, then look up in your user's manual on how to do a reset. If you don't have a manual, get on the ICOM website and download one.

Good luck.

Mar 19, 2008 | Icom M302 VHF Radio

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