If your radio is field programmable, then try turning it off, press and hold the 1st small button by the PTT button and the dial button. With these two buttons depressed, turn on the radio. Once you see SEL on the screen, release these buttons andpress the TA button. This should put you in programming mode.
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No. It is programmed from the Factory on a chip. Preprogrammed. No software will change it, no hacks. Many Motorola radios like that too. It is two watts, Vhf of Uhf, you did not say. If your existing frequencies are Business Band and in the same frequency band (Vhf or Uhf) you can get it to match those.
The BPR40 is a dealer programmable radio. The frequencies would need to be read out using Motorola proprietary software. The only thing you can tell from looking at the radio is whether it is VHF or UHF. Model number AAH84K... is VHF and AAH84R... is UHF.
The SP21 is PTT programmable. 1) Hold in the PTT while turning on the radio. Let go when the female voice begins to speak. It will announce the frequency number. You can use the PTT to walk through the 35 to 40 frequencies available. Then when you have reached your desired frequency. Press the MONITOR button to lock it in. (small button on the PTT). 2) Then your radio will announce the PL code. Using the same method of pressing the PTT you can walk yourself through the 38 possible PL codes. Press the MONITOR button to lock in your preferred code.
To answer your question concerning 12.5k to 25k selection. You should at this point in time be changing to 12.5k (narrowband). All VHF and UHF users are required to move to narrowband by Jan. 2013.
In the VHF SP21 frequencies 1-16 are 25k, and 17-37 are 12.5k.
In the UHF SP21 frequencies 1-16 are 25k, and 17-40 are 12.5k.
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.
If your GP340 is a UHF model, YES, you can have it programmed to match your TalkAbout radios. And yes, the GP340 has programmable privacy code capability.
If you do not know if your GP340 is VHF or UHF, you can tell by looking the model number, it will contain the following pattern: __H25RCC4AN3__. UHF models will have the letter R after the "25". VHF models will have the letter K.
When you have your GP340 programmed, the power setting will need to be turned down to the appropriate level to match the TalkAbout radios. Both for legal reasons, and also to protect your TalkAbout radios. You will not want the powerful GP340 to overpower the PA (power amp) in your TalkAbout radios.
You can use the model number to tell if you are VHF or UHF. You will still need to know the frequency(s) and PL code(s) your radios have to get radios to match.
VHF model number starts with P93.
UHF model number starts with P94.
The current replacement radio for the SP50 is the CP200. It is construction grade and was made to replace the SP50. There are other radios which will also match the SP50 including (but not limited to) the BPR40 and the new CP185.
Radio off, use moni & menu toghether, start radio keeping the 2 pushed for some time until SELF apears on display. Then insert magic code 5858. There are now 2 values on screen like 136 174 first is lower limit, second is higher limit, after moding ude Enter and restart radio. Remember that at extreme ends pll may not lock on tx or rx or both, this is phisycal limitation of the radio board.
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.