Community Digest, Vol 47, Issue 5

[songbosi]

>In your current application, do you only receive, or do you also
>transmit?  With your modified OBB running on these modems, are you
>able to successfully transmit in both EGSM and DCS bands?


Yes, my application now doing RX and TX
At the beginning, I load the default fw from OBB(gta02), it work, 
but poor signal in DCS, so I figure it out, and change the RF ctrl
Now it works good