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Tk 208 how put 8 diodes 1n4148 insaid for tk 208 end work in vhf band 144 mhz.

Naw work on display 432 mhz bat tk 208 it is vhf

Posted by Anonymous on

4 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Neto
  • 123 Answers

SOURCE: Motorola and Kenwood compatibility....

Hello!! First of all, any radio in the right frequency will work with any other, to work just need the following features: -Frequency, 154.700 which is correct as you said. - the Squelch code, this could be PL or DPL. The XV2100 has a table of codes that you can try, as you dont know this code form the Kenwood, you will need to check one by one. If you have the chance to send the Kenwood to some to "Read" the radio parameters( freq.,Code, ETc) you can look those parameters on the XV. Hope this can help, any comments neto-rola@hotmail.com Good Luck

Posted on Jan 22, 2007

Mot-Dealer
  • 35 Answers

SOURCE: communication not good &battery cannot charge

If your area is big or has a lot of concrete, then you will need more then just a few cheap radios from thailand, Given range info from broshure is always meant above flat area - not inside building

Posted on Sep 23, 2009

falspet
  • 438 Answers

SOURCE: VHF/UHF RF Power falls to Zero when the Auto ATU

Check for open or shorted Veractor diodes and steering diodes there may be no direct interaction as you say but if a diode is open or shorted the RF circuits might still be selected for the higher bands and the lower output power on your vhf/uhf is an indication of this.
If you do not have a service manual you can get one hear, you will likely kneed one
http://www.tradebit.com/filedetail.php/127575994-vertex-yaesu-ft-857-ft-857d-2005-service-repair
Good Luck Best regarsds Falco

Posted on Nov 04, 2013

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1 Answer

Squelch on maycom 108 works on VHF but not Airband. Was working last week?


factory reset: Push and hold AI + FUNC and turn the scanner on.
The message INITIAL are shown in the display..
Now it's reset to the factory settings,
with 124 MHz stored i memory channel 1 in the Air band,
and with 156 MHz stored i memory channel 1 in the "VHF band".

Oct 08, 2016 | Maycom AR-108 Scanner

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Weak signal receive of ic2100h


The reference would not prevent you from receiving. It is more likely that the pin diodes in the antenna TX/RX switch are defective or the RX front end amplifier is shot. Check the diodes with an ohm meter. If you get a short across one, check with the leads reversed. if you still get a short, then the diode is most likely shot. Make sure you have the schematic to follow. You can get it at www.mods.dk.

Feb 06, 2014 | Icom Ic-2100h 144 Mhz Vhf Fm Transceiver...

1 Answer

I cant talk on any frequency over 148.000 anyone know why?!


This is an Amateur (Ham) Radio 2-meter Transceiver. It will only transmit on the 2-meter Amateur band (144-148 MHz) but has expanded receiver coverage from 136-174 MHz which includes Public Service and Commercial 2-Way Radio bands. Please note that an Amateur License is required to operate on the 2-meter Amateur Band.

Dec 26, 2013 | Yaesu Ft 1900r Vhf Mobile 55 W Two Way...

1 Answer

LOST MY MANUAL TO MY UNIDEN BEARCAT BC142XL CAN I GET A FREE REPLACEMENT


The manual isn't online to my knowledge however I did find a guide on how to program it.
"Turn it on. Push the "MANUAL" button to stop it from scanning.

Push number 1, then push "MANUAL" again. This should leave you on
channel one.

Using the keypad enter the frequency you want to monitor, then push
"E." Press "REVIEW" at anytime to see what frequency is programmed
there. If the review button flashes 000.0000 on the LED readout
display, you might be entering an invalid frequency. Refer to the list
of acceptable frequencies in the Frequency Range Bands below.

Push "MANUAL" to step to channel number two. Enter the frequency. Push
"E." Push "MANUAL" to step to channel three. Repeat this process until
all the (10) channels are full, or you've run out of frequencies to
enter.

Push "SCAN" to start automatically scanning the frequencies. The
radio will stop when it hears someone talking, and resume scanning two
seconds after the conversation has stopped.

Frequency Range Bands:

20 to 29.7 MHz (10 Meter "Ham" Band)
29.7 to 50 MHz (VHF Low Band)
50 to 54 MHz (6 Meter Amateur Band)
136 to 144 MHz (Military Land Mobile)
144 to 148 MHz (2 Meter "Ham" Band)
406 to 420 MHz (Federal Government Land Mobile)
420 to 450 MHz (70cm "Ham" Band)
450 to 470 MHz (UHF Standard Band)
470 to 512 MHz (UHF "T" Band)"

http://newsgroups.derkeiler.com/Archive/Rec/rec.radio.scanner/2006-01/msg00174.html
Hope this helps.

Apr 22, 2011 | Office Equipment & Supplies

2 Answers

Why can't i listen to aircraft pilots & tower on my Uniden bearcat BC60XLT-1? Our airband frequency here is 108-137 mhz.


Your scanner does not receive frequencies between 54 and 137 MHz, and there's nothing you can do to enable reception in that block. Your only option is to purchase a scanner with air band coverage. Here are the reception ranges of the BC-60XLT-1:

29.0-29.7 MHz 10 Meter Amateur Band
29.7-50 MHz VHF Low Band
50-54 MHz 6 Meter Amateur Band
137-144 MHz Military Land Mobile
144-148 MHz 2 Meter Amateur Band
148-174 MHz VHF High Band
Above bands in 5 kHz steps
406-420 MHz Federal Government
420-450 MHz 70 cm Amateur Band
450-470 MHz UHF Standard Band
470-512 MHz UHF "T" Band
Above bands in 12.5 kHz steps

Need the manual for your scanner? You can download and print it, at no cost, here:
http://www.uniden.com/pdf/BC60XLT-1om.pdf

Bill B.
Listening in since the 60's

Feb 26, 2011 | Uniden Radio Communications

1 Answer

Can't talk on mic above 148.000


If you are a licensed Amateur operator you should know why you can't talk above 148 MHz. The band is 144 to 148 and the radio is programmed to prevent out of band operation.

If you are not licensed, you will be arrested for transmitting with the radios and fined.

Nov 14, 2009 | Kenwood Radio TK 260 360 270 370 2100 3100...

1 Answer

PROGRAM FREQ IN BC142XL


Its so easy to use you really don't need a manual for the Uniden BC
142XL scanner.

Turn it on. Push the MANUAL button to stop it from scanning.

Push number 1, then push MANUAL again. This should leave you on
channel one.

Using the keypad enter the frequency you want to monitor, then push
E. Press REVIEW at anytime to see what frequency is programmed
there. If the review button flashes 000.0000 on the display, you might be entering an invalid frequency. Refer to the frequency coverage list below.

Push MANUAL to step to channel number two. Enter the frequency. Push E. Push MANUAL to step to channel three. Repeat this process until all ten channels are programmed, or you've run out of frequencies to enter.

Push "SCAN" to start automatically scanning the frequencies. The
radio will stop when it hears someone talking, and resume scanning two
seconds after the conversation has stopped.

Frequency Coverage:

20 to 29.7 MHz (10 Meter "Ham" Band)
29.7 to 50 MHz (VHF Low Band)
50 to 54 MHz (6 Meter Amateur Band)
136 to 144 MHz (Military Land Mobile)
144 to 148 MHz (2 Meter "Ham" Band)
406 to 420 MHz (Federal Government Land Mobile)
420 to 450 MHz (70cm "Ham" Band)
450 to 470 MHz (UHF Standard Band)
470 to 512 MHz (UHF "T" Band)

For a comprehensive database of active frequencies in your area, visit

www.RadioReference.com
.

Nov 07, 2009 | Uniden BC248CLT Base Scanner

2 Answers

Need a free printable user manual for Bearcat scnner BC142XL


Its so easy to use you really don't need a manual for the Uniden BC142XL scanner.

Turn it on. Push the "MANUAL" button to stop it from scanning.

Push number 1, then push "MANUAL" again. This should leave you on channel one.

Using the keypad enter the frequency you want to monitor, then push "E." Press "REVIEW" at anytime to see what frequency is programmed there. If the review button flashes 000.0000 on the LED readout display, you might be entering an invalid frequency. Refer to the list of acceptable frequencies in the Frequency Range Bands below.

Push "MANUAL" to step to channel number two. Enter the frequency. Push "E." Push "MANUAL" to step to channel three. Repeat this process until all the (10) channels are full, or you've run out of frequencies to enter.

Push "SCAN" to start automatically scanning the frequencies. The
radio will stop when it hears someone talking, and resume scanning two seconds after the conversation has stopped.

Frequency Range Bands:

20 to 29.7 MHz (10 Meter "Ham" Band)
29.7 to 50 MHz (VHF Low Band)
50 to 54 MHz (6 Meter Amateur Band)
136 to 144 MHz (Military Land Mobile)
144 to 148 MHz (2 Meter "Ham" Band)
406 to 420 MHz (Federal Government Land Mobile)
420 to 450 MHz (70cm "Ham" Band)
450 to 470 MHz (UHF Standard Band)
470 to 512 MHz (UHF "T" Band

If this helps, please take a moment to give us a rating -- and a rating of "very helpful" would be greatly appreciated.

Sep 06, 2009 | Uniden BC-95 XLT Scanner

2 Answers

Commercial radio model


Hi,

A Kenwood TM-271A is an amateur radio and therefore restricted to transmit only from 144 - 148 MHz but can receive from 136 to 174.

The TX restriction is done with a resistor (R119) which inhibits transmission outside of the 144-148 band. It is located very near a large IC (IC252).

Depending on your country's radio communications policies and/or your radio license privileges, simply removing R119 would allow transmission outside of the 144-148 MHz.

Hope this be of some help/idea. Post back should yuo need additional information.

Good luck and kind regards.

Oct 18, 2007 | Radio Communications

1 Answer

What's the channel frequencies for a common 22 channel motorola 2 way vhf radio?


Not sure what you want.....VHF band ius approximatly 130mhz to 175 mhz..... in that VHF band there is a commercial VHF band aprox. 155 mhz to 175...... the amateur radio vhf band is aprox. 135 to 150mhz.

 

With amateur radio, any freq in that range can be used...... with commercial radio the FCC cangive a company any freq. in that range also.

 

If you are looking for FRS/GMRS frequencies they are UHF freqs not VHF.

So I'm not sure exactly what you want......sounds like you might want to program in FRS freqs into an Icom amateur radio. If thats  the case you will need an Icom that will do UHF freqs.

Oct 12, 2007 | Unwired UFR650 (14 Channels) 2-Way Radio

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