WRYZ926

The cigarette lighter/charging port will work fine as long as it is a switched circuit. One does not need a lot of amps to active the relay. That is why relays are preferred when adding a high power accessory to vehicles. Your high amp draw circuit goes from the battery in to pin 30 and out on pin 87. Pin 86 can be a low amp circuit since it doesn't take much to close the relay and allow the higher amp draw between pin 30 and 87. You can also add an On/Off switch on the positive switch source (from power to pin 86) if you want. Again this is how high amperage off road lights are commonly wired. And as @Sshannon said,, any automotive 12V relay will work as long as it is rated for the amperage draw of the radio. The Wouxun KG-1000G will draw about 12-14 amps when transmitting on high power. So a 20 amp relay will work if you only want to connect one radio. If you are wanting to install two radios then I would go with a 25 or 30 amp relay.

Here is a basic diagram on how to wire up a 12V relay. So for a radio, you wire the ground lead directly to a chassis ground. The radio's power lead goes to pin 87 on the relay. Run a wire from the relay pin 30 to the battery positive post. Find a switched power source and wire it to the relay pin 86. The relay pin 85 also goes to a chassis ground. The nice thing about relays is that you can use a lower amperage circuit to control the relay. The relay will close when power is applied to pin 86. Using a switched power source to control the relay will cut power to the radio when the vehicle is off. It is recommended to ground accessory, such as radios, directly to a chassis ground for newer vehicles with the auto start/stop system. The reason is due to the battery control module that is connected directly to the battery negative post. Hooking accessory grounds directly to the battery negative post can mess up the Auto Start/Stop system and the Battery Control Module.

The KG-UV9PX very well could be capable of being unlocked. From what I could find, and as @OffRoaderX said, the Wouxun GMRS certified radios are locked down in the firmware. I also haven't found any easy way to unlock/modify any of the Wouxun amateur band mobile radios either. I was surprised on how easy it is to unlock the KG-Q10H hand held and how quickly that information came out.

Yes I read all of that. And the only way to program a MXT575 is through the hand mic I know this first hand when I had to help a family member program his MXT575.

The KG-Q10H is the only Wouxun radio that I have found that is easy to unlock. I think there might be sources for programs from Europe for unlocking Wouxun radios, but I haven't messed with any.

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I posted the correct pinout for the extension cable on page 1 of this thread.

I will still suggest using a shielded CAT5/6 cable and shielded RJ45 connector for making extension cables for removing the head. The factory extension cable is shielded and uses shielded RJ45 connectors. Shielded cable and connectors will help keep RFI out of the radio. I have to agree that the overall length is not as critical in this instance. In fact I don't see anyone making a 100 foot, let alone 300 foot, extension cable.

We run our 2m, 70cm and GMRS repeaters on a 900 foot tall broadcast radio tower. There are also other radio services on the tower too. Properly tunes duplexers will keep interference at bay.

I hate when that happens. I have to deal with that myself. It gets so bad at times that I can't even keep my call signs straight.

The Baofeng hand held radios definitely have their place. They work and are cheap enough to get new GMRS and amateur license holders on the air without breaking the bank.

I am going to trust my cable tester that I have used for years making network cables over a printed manual. Especially after testing cable for two KG-1000G radios. I have been out of doing any type of network administration for some time so my memory might be off. But generally the maximum length of any CAT 5/6 cable is 300 feet/100 meters for computer networks. PS; I'll stick to using actual cable testers to test my network/communication cables.

I found the same thing with pins 5 and 7 swapped. It was the same with the short cable and the extension cable. None of my cables showed Pin 2 shorted at all. I tested the short and extension cables on my KG-1000G and KG-1000G Plus.

I'm curious to see how it compares to the Bridgecom repeaters if that is possible.

GMRS repeater channels share the same channels as Simplex channels. We will use channel 17 and repeater 17 as an example. The repeaters output will be on 462.600 MHZ and Channel 17 (simplex) is also on 462.600 MHz. So if you don't have a receive tone set on your radio, you will hear the repeater traffic and any simplex traffic (with no tones). And yes you can still hear the repeater even when it is using the output tones even though your radio does not have a receive tone set. Setting the receive tone just filters out any unwanted traffic on the channel so you don't hear it. We have tones set for both receive and transmit on our repeater. Last Saturday there were a bunch of kids on Channel 17 simplex. I did not hear them at all since I do have the receive tone set on my radio, others that don't have the receive tone set did hear the kids.

The pinouts I got was when using my standard RJ12/RJ45 cable tester with the connectors both facing the same direction ( clip on bottom). I tested both the short cable and the long extension cable. IMG_3755.MOV

You can't always rely on the brand name either. My Wouxun KG-Q10H and KG-935G both outperform my Icom IC-T10. And with the global market, most companies source parts from China and/or have their products made in China. Yaesu is having some of their radios produced in China now.

Talking to the space station or satellite is a little different since there is a completely open line of sight from the ground up to space. And I am glad to hear that you can talk that far. But that is definitely not going to be the norm for most people. And it doesn't matter if it is a $20 hand held radio or a $1000 hand held radio, UHF is only going to reach so far depending on location and terrain. UHF is a line of sight. After a certain point then the curvature of the earth will come into effect. UHF doesn't skip off the atmosphere like HF does. My last reply to this thread is based on personal first hand experience using VHF and UHF while I was in the military. Now if we were on top of the Granite Mountains on Ft Irwin, then we could reach farther with a hand held, but we still weren't getting the range you say you are getting.

I looked into them and you can get a Bridgecom repeater for close to the same price. And you get excellent customer service/technical support from Bridgecom.

I have used both military issue and commercial Motorola radios while in the Army. I have never gotten anywhere close to 50-60 miles range with any hand held radio even in the wide open deserts of California or the Middle East. We used commercial Motorola radios when I was stationed at Ft Irwin California. We had to use repeaters on base due to the mountains. Otherwise we could not talk to main base while on the live fire ranges on the north part of base.

I have the R & L Electronics RLPS30M power supply. It is a 30 amp peak switching power supply a rating of 20 amps continuous. I run two 50 watt mobile radios with it and don't have any issues. Of course I am not transmitting on both radios at the same exact time either. https://www2.randl.com/index.php?main_page=product_info&cPath=13_9110&products_id=74100

I say go for it since you have plenty of coax and a 6 foot pipe already. An extra 5 feet might not make much difference or it could help out quite a bit. You won't know without trying.

Actually it depends on the type of terrain, foliage, structures that one is operating their radios in. In flat/open areas a higher gain antenna is better. A lower gain antenna will work better in hilly areas or areas with lots of obstructions. I have a mixture of everything around me here in Mid Missouri so I run a Nagoya UT-72G which has about 3 dBd of gain. It works well for the most part. Now I do run a high gain antenna at home mounted up on my roof.

The Wouxun KG-XS20G is an excellent 20 watt radio. That is what I use in my SxS.