Update README.md

README.md

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-# SR-FRS Radio Module Programming( pin to pin replace SA-818 Module)
+# WINDOWS SA-818 SA818  SR110  SR-FRS Radio Module Programming Tools for win7 win10 x64
 
 <img src="Change FREQ.jpg" width="550" height="800" />
 2023/02 add new Windows x64 tools for SA818 SA-818 SRFRS SR110 both Module Support now!
 
-pls download SA818_SR110_Tools.zip
 
-use usb cable connect COM port install CH340 USB Driver to SET Freq
+## pls download SA818_SR110_Tools.zip
+
+## use usb cable connect COM port install CH340 USB Driver to SET Freq
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 My friend (W6IPA) and I developed a versatile Raspberry-Pi hat that
 can be used for Allstar, Echolink, APRS, or any digital modes.