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Subjectbetter support for EV-DO AC8700 800 M usbserial modem ??
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hi everyone ,

i have been using the EVDO AC8700 modem (usbserial) with kernel 2.6.26.2 ,
it uses the 'option' module along with the generic usbserial module . Well
i am happy for the improved support for the modem handling in the new
kernels( like now i don have to modprobe with the vendor and product IDs )
, there is one point specific to this modem which is still not handled ,
..... the modem switches between EVDO and CDMA mode when the signal
strength is low or when there is a bandwidth overload at the vendor's( the
service provider , bsnl in my case ) tower . This switch in the mode is
not recognised by the driver and the connection is lost once this
switching occurs . I have to restart the wvdial program to reconnect .

But if the modem were in CDMA mode when i connect , then the connection is
not lost when the modem switches back from CDMA to EVDO . I really don
know enough to understand what is the difference between the two cases or
what can be done to improve the support for this usbserial modem , ... can
anyone help ?

Thanks in advance

Satish

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