<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div style="" class="">Hurrah, I managed to have the MC7710 up and running on my embedded debian. But only using GSM ;-(</div><div style="" class="">PING 8.8.8.8 takes about 1s average. <br style="" class=""></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;" class="">Surfing the web is quite sloooooooooooow.</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;" class=""><br style="" class=""></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida
Grande,sans-serif; background-color: transparent; font-style: normal;" class="">Using the same SIM on a cheap ZTE USB-stick under WIndows is much faster, using UMTS.</div><div style="" class="">What I consider interesting:</div><div style="" class=""><br style="" class="">[/dev/cdc-wdm0] Successfully got system selection preference<br style="" class=""> Emergency mode: 'no'<br style="" class=""> Mode preference: 'cdma-1x, gsm'<br style="" class=""> Band preference: 'gsm-dcs-1800, gsm-900-extended, gsm-900-primary, gsm-pcs-1900, wcdma-2100, bc-15'<br style="" class=""> LTE band preference: '1, 3, 7, 8, 20'<br style="" class=""> Roaming preference: 'any'<br style="" class=""> Network selection preference:
'automatic'<br style="" class=""> Service domain preference: 'cs-ps'<br style="" class=""> Service selection preference: 'automatic'<br style="" class="">root@voyage:/etc/firewall# qmicli -d /dev/cdc-wdm0 --nas-set-system-selection-preference=umts<br style="" class="">error: couldn't set operating mode: QMI protocol error (25): 'DeviceUnsupported'<br style="" class=""><br style="" class="">BUT<br style="" class=""><br style="" class="">[/dev/cdc-wdm0] Device capabilities retrieved:<br style="" class=""> Max TX channel rate: '50000000'<br style="" class=""> Max RX channel rate: '100000000'<br style="" class=""> Data Service: 'simultaneous-cs-ps'<br style=""
class=""> SIM: 'supported'<br style="" class=""> Networks: 'gsm, umts, lte'<br style="" class=""></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;" class=""><br style="" class=""></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;" class="">l# lsusb<br style="" class="">Bus 002 Device 002: ID 1199:68a2 Sierra Wireless, Inc.<br style="" class=""></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica
Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;" class="">Using qmi_wwan.c from kernel 3.4.14 <br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;" class="">(When I wrote device drivers in the very past, in various Assemblers, it was a good style to have a version number in the src, updated even in case some data structures were modifed only. And a modification history kept in the src etc. :-)<br style="" class=""></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;" class=""><br style="" class=""></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida
Grande,sans-serif; background-color: transparent; font-style: normal;" class="">Frequencies should be these:<br style="" class="">uplink: 1959,9 – 1969,8 MHz<br style="" class="">downlink: 2149,9 – 2159,8 MHz<br style="" class=""><br style="" class="">According to Mobile Provider, verified using USB-Modem Stick under WIndows<br style="" class="">GSM/UMTS/HSPA (3G/H/H+) is good at my place.</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;" class="">Any idea, how to switch to umts ?</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;" class=""><br style="" class=""></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica
Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;" class="">BTW: Switching to lte is possible with qmicli, but modem does not work, as I have no radio coverage here.</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif; background-color: transparent; font-style: normal;" class=""><br style="" class=""></div></div></body></html>