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How many watts is this CB radio? I understand the older radios (23 channel) are 4 watts or 5 watts, but the new ones are only 3 watts

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40 channels mostly are 4 watts if its an fm tranceiver

Posted on Jul 29, 2009

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Add channels to a to make it 40 channels or a web page thanks happy happy knew year and healty


I\'m assuming you\'re talking about converting an old 23-channel CB to a 40-channel radio.

You didn\'t specify what kind of CB you have so it\'s impossible to say for sure, but it\'s highly unlikely that this can be done cost effectively.

Most 23-channel radios used a set of 14 (6 base + 4 transmit + 4 receive) crystals whose frequencies were added together to result in the specific CB channel you were wishing to use.

Adding additional channels would require multiple sets of crystals and a replacement of the front-panel switch assembly that selected them.

This is a lot of work and expense, and you would be left with a radio that would either be missing channels - due to the peculiarities of CB channel assignments - or would include frequencies that you\'re not allowed to use. In either case such a heavily-modified radio would likely be illegal to operate.

Most - if not all - 40 channel radios use a newer digital synthesis technique to generate the frequencies needed, so their circuitry is much simpler and less expensive to manufacture. If you\'re wanting 40 channels, it\'s time to put the old 23-er out to pasture and buy a new one. Amazon has basic models starting at under $40.

Jan 02, 2015 | Radio Communications

1 Answer

Cobra 29 cb radio not responding with 1 thru 22 channels.


is it used? if so it may have been hacked for more channels and no one finished the work.If its new send it back to cobra .its under warrenty

Feb 06, 2014 | Cobra 29 LTD CB Radio

1 Answer

Tabla de frecuencias


CB Radio Channels (FCC)[32] Channel Frequency Channel Frequency Channel Frequency Channel Frequency 1 26.965 MHz 11 27.085 MHz 21 27.215 MHz 31 27.315 MHz 2 26.975 MHz 12 27.105 MHz 22 27.225 MHz 32 27.325 MHz 3 26.985 MHz 13 27.115 MHz 23 27.255 MHz 33 27.335 MHz 4 27.005 MHz 14 27.125 MHz 24 27.235 MHz 34 27.345 MHz 5 27.015 MHz 15 27.135 MHz 25 27.245 MHz 35 27.355 MHz 6 27.025 MHz 16 27.155 MHz 26 27.265 MHz 36 27.365 MHz 7 27.035 MHz 17 27.165 MHz 27 27.275 MHz 37 27.375 MHz 8 27.055 MHz 18 27.175 MHz 28 27.285 MHz 38 27.385 MHz 9 27.065 MHz 19 27.185 MHz 29 27.295 MHz 39 27.395 MHz 10 27.075 MHz 20 27.205 MHz 30 27.305 MHz 40 27.405 MHz

Oct 18, 2013 | Connex 3300 240-Channels Base CB Radio

1 Answer

Adjust modulation pot cb


4 watts on am and 12 on ssb the modulation pot isn't going to help you . go to www.cbtricks.com and get the service manual.

Jul 27, 2013 | Galaxy Radios DX-979 40-Channels Base CB...

1 Answer

What is the dead key adjustment # on a midland 5001z cb ?


amps like the smaller wattage so they can push out more power but some amps like the 3 watt figure so they can push out more power. go to www.cbtricks.com and look up your radio. the schematic is there but I don't remember if there is a service manual for it.

Dec 27, 2012 | Midland 1001Z 40-Channels Base CB Radio

1 Answer

Cobra 200 gtl dx only does 12 watts on high


Open radio up and adjust rv9for am fm high power or rv 14 for ssb for high power,do not use a screwdriver,a matchstick would be better.board information is available from cb tricks.com

Dec 17, 2011 | Cobra 200 GTL DX 4-Channels Base CB Radio

1 Answer

Schematic diagram of cobra 148 gtl cb radio china made


  • Locate the MB8719 chip that is right behind the channel selector. Wire a SPST switch from pin 10 to ground and another from pin 11 to pin 12.


  • Channel Chart
  • Position 1: sw1 down, sw2 down
  • NORMAL CHANNELS

  • Position 2: sw1 up, sw2 down
  • 15=26.815 20=26.885 25=26.925 30=26.985(ch3)
  • 16=26.835 21=26.895 26=26.945 31=26.995(ch3A)
  • 17=26.845 22=26.905 27=26.955 32=27.005(ch4)
  • 18=26.855 23=26.935 28=26.965(ch1)
  • 19=26.865 24=26.915 29=26.975(ch2)

  • Position 3: sw1 up, sw2 up

  • 1=27.605 6=27.505 10=27.555 14=27.605
  • 2=27.455 7=27.515 11=27.565 16=27.475
  • 3=27.465 8=27.535 12=27.585 20=27.525
  • 4=27.485 9=27.545 13=27.595 23=27.575
  • 5=27.495

  • Position 4: sw1 down, sw2 up

  • 1=27.605 11=27.725 21=27.855 31=27.955
  • 2=27.615 12=27.745 22=27.865 32=27.965
  • 3=27.625 13=27.755 23=27.895 33=27.975
  • 4=27.645 14=27.765 24=27.875 34=27.985

Nov 09, 2011 | Cobra 148 GTL 120-Channels Base CB Radio

1 Answer

I have spotty reception on a handheld CB and was wondering if there is a testing procedure I can use to check the antenna and radio. I have a multimeter. It's a radio shack handheld with weather bands...


The antenna is your problem not much gain. Height is everything tx and rx. Although it would not compare to a conventional cb size negates performance. Seeing is believing in this case hearing get adapter to connect to standard coax of antenna. (PL259) to BNC Coax Adapter Radio Shack sells them. And dont ask or buy any radios there. They are hardly the radioshack of choice anymore.

  • If you put 4 watts into a four-foot antenna, you will get the same power out of that antenna as if you were putting 2 watts into a 102-inch whip.
  • If you put 4 watts into a 3-foot antenna you will get the same power out as if you were putting about 1.5 watts into a 102-inch whip.
  • If you put 4 watts into a 7.5 inch antenna on a hand held CB, it would put out as much power as a third of a watt into a 102-whip.
  • If you put 4 watts into a 102-inch whip antenna, it is the same output as if you put 11 watts into a 3-foot whip.
  • If you put 4 watts into a 102-inch whip antenna,, it is the same as if you put 14 watts into a 28-inch antenna.
  • If you put 4 watts into a 102-inch whip antenna, it is the same as if you put 54 watts into a 7.5 antenna.


May 21, 2011 | Cobra HH 38 WX 40-Channels Handheld CB...

1 Answer

Lookin for info on midland cb 13-830 and 77-824


Both radios are AM only, the 13-830 is 23 channel and the 77-824 is 40 channels. Of the two the older 23 channels is a better radio and is able of more frequencies.

Mar 07, 2010 | Midland Radio Communications

3 Answers

My radio off frequency


is this set AM and the recievers FM? if so there will be no way round the 'problem' BOB

Jan 09, 2007 | Cobra 19 DX IV CB Radio

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