Question about Motorola SU42CST (4 Channels) 2-Way Radio

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How to manually program a motorola su42cst, no tones or codes, just need to set frequency. thank you!

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How do I get the Motorola T5000 and Boafeng UV-8D radios to communicate with each other?


check you settings in the radio,follow your instruction manual for the radio

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I can program my distance radios by holding button then turning on.but that dose not work on the 10x


Correct. The 10X by Motorola uses Dip Switches for both frequency and tone codes. Both are under the battery tray. As you look at it, the left switch which has 4 dip switches is the frequency. On the right is the tone board with 8 switches. You can match the Motorola Distance radios if you have the settings. The 10X has a lot fewer frequencies and tones to choose from. Try this link:
http://www.motorola.com/mdirect/manuals/DistanceDPS_User_Manual_E.PDF

Nov 30, 2014 | Radio Communications

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I just purchased two Baofeng BF 888s radios and had them programmed to our frequency here. They will both receive and transmit with each other but not transmit to the radios we already had. Any ideas?


Your radios could be programmed with subaudible tones (CTCSS) or digital code squelch (DCS) which the new radios do not have. They can be programmed for it, you need to find out what tone/code you are using.
It could also be that your existing radios are programmed for a "duplex" repeater channel, with different transmit and receive frequencies. The new radios might be on the "repeater output" frequency so they would not activate the repeater.
Both could be the case, missing tone and duplex frequencies.
I would check the programming of the new and old radios, especially for tone/code squelch.

Sep 13, 2012 | Generic Walkie Talkie BAOFENG BF-888s Two...

1 Answer

Can two different style motorola 2 way radios be changed to same frequency


Hi Kate,

The short answer to your question is: no, or "not readily". Here's why:

The Motorola 4900 radio operates in the FRS (family radio service) and GMRS (general mobile radio service) in the UHF band. This radio will work with any other FRS / GMRS band radios (no reprogramming of transmit and or receive frequencies is possible for these radios). The trick is that the numbering of the channels may differ from brand to brand ie: Ch1 on your Motorola may not necessarily be Ch1 on a Midland radio or other brand. A complete list of the frequencies and channel assignments for FRS /GMRS can be found on Pg. 17 of the manual. It is important to note that without a valid GMRS license, you are prohibited from transmitting on the GMRS only channels (Ch 15 through Ch 22). The combination GMRS/FRS channels (Ch1 through Ch7) and the FRS only channels (Ch8 through Ch14) are for individuals and family members that do not have valid GMRS licenses. If this is you, you should limit your transmissions to Ch1 through Ch14 only, as FRS does not require a license in the US. Unlicensed use of GMRS only Ch15 through Ch22 can result in fines and imprisonment if caught by the FCC.

Further complicating the issue are the so called "privacy tones". This is simply a very low or "sub-audible" frequency that is sent whenever transmitting. Motorola calls these "Interference Eliminator Codes". When another radio receiver is set to listen for a particular privacy tone, it stays silent until a transmission with the exact same privacy tone is detected. Again, these tones are listed in no particular order, but are generally listed as 1, 2, 3, etc. or a, b, c, etc. instead of the actual frequency in hertz. You can selectively set your radio to transmit & receive one of the 38 codes or, set the code to "0" to communicate with radio that do not offer these privacy codes - or does not use the same frequencies for these codes. You can read more on Motorola's codes on Pg. 19 of the manual.

The Motorola CP200 radio on the other hand is a commercial radio, and requires computer programming with Motorola software. The CP200 is offered as both Low & High sub-banded VHF and Low, Mid & High sub-banded UHF radios. You would need to have a CP200 that is designed to accept the Mid UHF band (438Mhz - 470Mhz) frequencies in order to program the 462Mhz & 467Mhz FRS / GMRS frequencies into it. The final obstacle would be what is called "FCC Type Acceptance". The CP200 is probably NOT Type Accepted for transmitting FRS/GMRS frequencies, and as such the Motorola dealer doing the programing might balk at putting them in. You can read a spec sheet on the CP200 here.

I hope this helps & good luck!

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1 Answer

Can a Motorola CLS 1410 4 channel can be programmed that all 4 channels have the same operating frequency but different privacy tone on each different channel?


Yes. Put the radio in programming mode and walk though the programming steps. The Privacy Tone is referred to as CODE in the manual. Here is a link to the manual http://www.banoggle.com/Products/Motorola/manuals/CLS-series-manual.pdf. Programming instructions begin on page 28.

Best regards.

Oct 27, 2011 | Motorola CLS 1110 (1 Channel) 2-Way Radio

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Good evening: We have a set of Motorola MR350R radios. Purchased them several months ago but just now getting ready to use them. Followed the User Manual and both radios are set on the same settings. ...


There are two settings that MUST match. Frequency and Tone Code. The big number in the display is the frequency. I assume you see this and both radios match. The Tone Code (privacy code) must also match for your speaker to turn on. The small number under the frequency is the Tone Code number. Go back into programming mode and go all the way through the settings. Then they will work.

Feb 01, 2018 | Motorola MR350R Two Way Radio

1 Answer

How do I change and select channels and frequencies w my motorola axv5100 two-way radio? Can it communicate with a motorola talk about?


Hello,
This radio comes with programmed channels and tone codes programmed into it. Should it still be stock the the diagram below is what you will use. The tones programed into are there to prevent someone on the same frequency from interfering with your conversation. It's a way of isolating the frequency. These are adjusted by the A,B,C,D You will know what frequency it is by the channel indicated. As for weather or not it will communicate with a Motorola talk about the answer is no. This radio is a VHF frequency and the talk about is MURS.
Regards, Tony

Channel - Pre-Loaded VHF Frequency (MHz) - Code (Hz)
1 151.6250 67.0 2 151.6250 77.0 3 151.6250 88.5 4 151.6250 179.9 5 151.6250 None 6 151.9550 67.0 7 151.9550 82.5 8 151.9550 94.8 9 151.9550 179.9 10 151.9550 None

Apr 17, 2011 | Motorola AXV5100 2-Way Radio

1 Answer

Programming for the motorola sk-900


Here is a link to the user guide for the SX900 http://www.banoggle.com/Products/Motorola/manuals/SX900-manual.pdf

You will need to be certain the frequency, code and Qt filter are set identically on the all the units. The special features such as Vox and Call Tones, also require some special attention or knowledge.

Best regards.

Feb 05, 2010 | Motorola Talkabout SX900R Two Way Radio

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Require Frequencies for CTCSS codes for Motorola GP 2000


check this link at page 21 or see below

CTCSS PRIVACY CODES FREQUENCY CHART (Hz) Code Freq. Code Freq. Code Freq. Code Freq. Code Freq. 1 67.0 9 91.5 17 118.8 25 156.7 33 210.7 2 71.9 10 94.8 18 123.0 26 162.2 34 218.1 3 74.4 11 97.4 19 127.3 27 167.9 35 225.7 4 77.0 12 100.0 20 131.8 28 173.8 36 233.6 5 79.7 13 103.5 21 136.5 29 179.9 37 241.8 6 82.5 14 107.2 22 141.3 30 186.2 38 250.3 7 85.4 15 110.9 23 146.2 31 192.8 8 88.5 16 114.8 24 151.4 32 203.5 * Channel 8,9 and 10 are designated Canadian Marine Frequencies * Channels 8~14 are low-power FRS license free channels Note: Privacy codes can be programmed for use on Channels 1~22 only

Feb 01, 2010 | Motorola GP300 Compatible 2 Way Radio...

3 Answers

Tone squelch


Here is a link to download the user manual for the GP68 http://safemanuals.com/user-guide-instructions-owner-manual/MOTOROLA/GP68%20RADIO%20TRANSMITTER-_E

On your first radio, the one we've been discussing, I believe you have the DPL code set incorrectly. Your radio will go up to the number 126, but this is not the DPL code's number. It is simply a numbering system.

If I read the chart correctly:
DPL 205 equals the number 072.
DPL 023 equals the number 043.

Disclaimer: This numbering system listed in the user guide does not follow any common numbering system. I have other TPL/DPL charts which differ. The above reference is only based on what I have read in the user guide.

I am confident if your radio worked previously at another job site, using other frequencies/PL codes, that your only issue at this time is programming.

As for your unlock issue on the other GP68. Your radio may be in need of repair. The internal button is possibly wornout or has been depressed too far, and is bent on the board beyond the point of functioning.

Sep 25, 2008 | Motorola Radio Communications

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