Nothing new, this has been posted at least once before.

I doubt that the radio can be programmed for the frequency you want. 125+ mHz is a long way to shift a radio unless it's designed for it and I don't think the one you are referring to is. Anyway, it would not be legal on FRS.

A few things that may not be clear to you ...

GMRS (General Mobile radio Service) and FRS (Family Radio Service) are not Amateur Radio services.

GMRS requires an FCC license and type certified equipment. No modified Amateur Radio gear.

FRS is license-free, but is limited to type certified radios with fixed antennas and a 500mW output. No modified Amateur Radio gear or GMRS radios.

FRS radios share certain GMRS frequencies, but GMRS radios can't be used on FRS-only frequencies.

Lon

You need to post this in the Classified Section.

Sales aren't done in the forums.

Lon

Mike:

Thank You!

Lon

Philip:

Don't overlook the little Alinco DX-70TH. It does all modes on 6m as well as HF and goes used for $350-$450. It puts out 100w.

The very similar DX-70T (and the variants sold by Radio Shack) only put out 10w on 6m. Only the TH does 100w on 6.

Lon

You are not alone. It's that way for me, as well, on two different platforms and three different browsers.

Lon

Make that "surface". I think the current definition of a "metal sucface" is kissing a girl with braces.

Lon

A metal sucface about 3' across would be nice, but not really necessary for local repeater use.

If you are talking some other use, you need a properly installed base antenna, not a mag mount on an AC unit. However, if that's all you can manage, go with it!

 
Lon

If the AC case is metal, you won't need the foil, most likely.

Lon

No.

<< You quite often find a resistor of 20 ohms or so in series with the headset jack on the radio anyway. >>

That's why I used the external speaker jack on the rigs to feed the headphones and a small external speaker.

I do the same thing at home: the headphones plug into a jack on the external speaker housing and a switch cuts out the speaker when necessary.

Lon

Steve:

I understand what you are saying, but in our case varying volume levels not been a problem that I am aware of.

Lon

An amplified, isolated splitter isn't necessary.

I did this a couple of years ago for my club's rigs and all it took was two jacks for the headphones. a jack for the speaker, an SPST switch, a cable with plug for the external speaker jack on the rig and a plastic box to put it all in.

Parallel all three jacks and connect them to the cable from the rig. Put a switch in the line for the speaker.

There is more than enough drive from the most rig's external speaker jack to handle this and separate volume controls are really unnecessary.

Total cost was about $6 per rig with all new parts and it works very nicely.

Lon

Since you have no name listed in the information section, I'll, just call you "fella".

<< I didn't know at all it had been modified before I bought it on ebay and the seller won't refund it.>>

Yet another example of a reason NOT to buy a radio from someone you don't know - especially on eBay.

<< But the seller told me it is modified only to extend frequency but the power cut at 70cm band (this is the legal amateur band) with high power is caused by the attena, whose bias is toward to 2m band although it also supports 70cm band. So when I try to tx at 70cm with high power selected, this will trigger the Kenwood failsafe circuit inside it and cause it shutdown. The seller also told me using an appropriate attena should solve the problem. I don't know if this a reasonale answer as I have not try another attena. Also I am wondering why Kenwood ship its two-band product with attena biased toward one band? >>

I am betting this is NOT the original antenna. I have never seen a case where a manufacturer sold an HT with dual-band capabiliity and a single band antenna. I have owned half a dozen and NEVER ran into this situation.

Since you are stuck with this dog, replace the antenna.

Lon

I don't know what the fix is, but please know that outside of MARS (and this requires a DoD issued license), there is no legal use for a ham rig that operates outside the ham bands. It cannot be used on ANY commercial service including GMRS and the FRS, which is what it sounds like the previous owner was trying to do.

If possible, get your money back and by an HT that hasn't been butchered and keep yourself legal - assuming you have a ham license. If you don't have a license, you have no legal use for this modified radio.

Lon