No FRS Yikes!
It's increadibly frustrating that I can't even use my vx-8r to talk with my kids on their frs radios.
Marc
It's increadibly frustrating that I can't even use my vx-8r to talk with my kids on their frs radios.
Marc
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Yaesu VX-8r mod - first on the internet!
- Thread starter Moleculo
- Start date
If you do the mod you can. FRS is on 462 and 467Mhz. The mod allows TX up to 470Mhz.
Remember, some FRS radios display the CTCSS tones as "sub channels", i.e. 1-3, where channel 1 = 462.5625 Mhz on every FRS radio but the -3 is going to be some CTCSS tone that you'll have to look in their manual for. Those "sub channels" aren't the same tone from one manufacturer to the other, either.
Scrape Away Option
Yep! It works.
I grabed the resistor with the tweezers and it crumbled. No hot iron required!
I would say it was designed to be a scrape-away option.
All systems go.
Yep! It works.
I grabed the resistor with the tweezers and it crumbled. No hot iron required!
I would say it was designed to be a scrape-away option.
All systems go.
The VX-7R does NOT transmit AM on air-band - it transmits FM. If you happen to know a mod to make it TX in AM - do please share!!!!
RX
Frequency Note
0.5 - 1.8 MHz BC Band. AM Radio
1.8 - 30 MHz Shortwave Band.
30 - 78 MHz 6 Meter Ham
76 - 108 MHz FM Radio
108 - 137 MHz Air Band
137 - 174 MHz 144 MHz Ham. 2 Meter
174 - 222 MHz VHF-TV
222 - 225 MHz 222 MHz Ham
225 - 420 MHz General Band 1
420 - 470 MHz 440 MHz Ham. 70 cm.
470 - 800 MHz UHF-TV
800 - 999 MHz General Band 2 Cellular Blocked
TX
50 - 54 MHz
144 - 148 MHz
222 - 225 MHz USA version only
430 - 440 MHz
TX w/ mod
50 - 54 MHz
144 - 148 MHz
148 - 174 MHz MARS/CAP Mod only
222 - 225 MHz USA version only
430 - 440 MHz
440 - 470 MHz MARS/CAP Mod only. FRS/GMRS freq range
Frequency Note
0.5 - 1.8 MHz BC Band. AM Radio
1.8 - 30 MHz Shortwave Band.
30 - 78 MHz 6 Meter Ham
76 - 108 MHz FM Radio
108 - 137 MHz Air Band
137 - 174 MHz 144 MHz Ham. 2 Meter
174 - 222 MHz VHF-TV
222 - 225 MHz 222 MHz Ham
225 - 420 MHz General Band 1
420 - 470 MHz 440 MHz Ham. 70 cm.
470 - 800 MHz UHF-TV
800 - 999 MHz General Band 2 Cellular Blocked
TX
50 - 54 MHz
144 - 148 MHz
222 - 225 MHz USA version only
430 - 440 MHz
TX w/ mod
50 - 54 MHz
144 - 148 MHz
148 - 174 MHz MARS/CAP Mod only
222 - 225 MHz USA version only
430 - 440 MHz
440 - 470 MHz MARS/CAP Mod only. FRS/GMRS freq range
I just did another mod, the first time I melted the plastic in a few places with my soldering iron.
This time I used a xacto knife and gently cut the resistor out. The solder is very soft. The biggest pain of doing this mod is getting that sticky adhesive off.
Hello everyone. This is my first post and thanks to VX8R unit, i signed up here. Thanks everyone for lots of great info. I am hooked to this new field.
I have one question about mod mentioned here.
Is there any reason to think this mod will negatively affect this radio at all. I read unconfirmed information that it destabilizes Tx power in certain bands, or even reduces power transmission overall. It doesn't sound logical to me, but i figured i should ask here before i perform the mod.
thanks a lot in advance.
best regards
I have one question about mod mentioned here.
Is there any reason to think this mod will negatively affect this radio at all. I read unconfirmed information that it destabilizes Tx power in certain bands, or even reduces power transmission overall. It doesn't sound logical to me, but i figured i should ask here before i perform the mod.
thanks a lot in advance.
best regards
Last edited:
I did the mod on my new VX-8R.
But I notice that if the tx frequency is less than 140.000mhZ, the voice is very very soft. Barely noticeable. I tested my VX-8R with 3 unit of FT-60R at 137.025mHZ, the voice is barely noticeable. But when I tune my VX-8R to 140.000mHZ the voice is loud as FT-60R.
The funniest thing is, my FT-60R can transmit at 137.000mHZ without any modification and the voice is very very clear.
But I notice that if the tx frequency is less than 140.000mhZ, the voice is very very soft. Barely noticeable. I tested my VX-8R with 3 unit of FT-60R at 137.025mHZ, the voice is barely noticeable. But when I tune my VX-8R to 140.000mHZ the voice is loud as FT-60R.
The funniest thing is, my FT-60R can transmit at 137.000mHZ without any modification and the voice is very very clear.
I haven't seen any negative effects of the "remove the resistor" mod on mine. The power output within the ham bands is the same as before. The power will drop off the farther you get out of the ham bands, but that's pretty common with all radios.
vx-3e
hello rther all, im wondering how to transmitt on other channels on my vx-3e. there have been mods posted online however i cant seem to folow them... on a vx-3R its pritty simple, just remove the jumper, however on my vx-3e the circuits behind the battery is different..
any suggestions?
hello rther all, im wondering how to transmitt on other channels on my vx-3e. there have been mods posted online however i cant seem to folow them... on a vx-3R its pritty simple, just remove the jumper, however on my vx-3e the circuits behind the battery is different..
any suggestions?
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...runna pile-up on 6m SSB