John Morronga wrote:

Subject: Yaesu VX-1R - Expanded Transmit 137 - 175, 410 - 470 MHz

Remove battery
Remove the (3) small black screws.
Carefully open the radio, spliting the radio front and rear cases
Looking down inside of the top left side of the radio (left of rotary
encoder) , locate and ADD Solder to jumpers "0" and "1"
(jumper "0" is the top jumper and jumper "1" is below it)
Assemble radio.
Press and hold [M/V] and [AR] keys while turning on the radio.
Modification Complete

Perform at own's risk.
J.M

------------------
From: "Paradise" 

Thos radio came in 6 version, your mod. for this radio does not work, please, ad to the mesage of th vx-1, for mod. this radio yoy need a software called vx-1r controler version 1.6