How to usb Qualcomm gobi 2000 3g module on WRTnode

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Hardware:

software:

#make menuconfig
LuCI            --->  Protocols     --->  <*> luci-proto-3g
Kernel modules  --->  USB Support   --->  <*>kmod-usb-serial 
                                          <*> kmod-usb-serial-option
					  -*- kmod-usb-serial-wwan 
                                          <*>kmod-usb-serial-qualcomm. 
                                          <*>kmod-usb-serial-sierrawireless
#make

Flash firmware
http://wiki.wrtnode.com/index.php?title=Refresh_the_firmware

Insert SIM card in Qualcomm gobi 2000 3 g module’s SIM card slots.
Point your browser tohttp://192.168.8.1

Luci - > Network - > interfaces

Edit wan:
3g&gps1.png

3g&gps2.png
3g&gps3.png
Save&Apply
Gps function:

#wget http://d.wrtnode.com/WikiDownload/Qualcomm-gobi-2000-3g/gobi_loader_0.7_ramips_24kec.ipk
#opkg install /tmp/gobi_loader_0.7_ramips_24kec.ipk
#mkdir /tmp/gobi
#cd /tmp/gobi
#wget http://d.wrtnode.com/WikiDownload/Qualcomm-gobi-2000-3g/apps.mbn
#wget http://d.wrtnode.com/WikiDownload/Qualcomm-gobi-2000-3g/amss.mbn
#wget http://d.wrtnode.com/WikiDownload/Qualcomm-gobi-2000-3g/UQCN.mbn
#gobi_loader -2000 /dev/ttyUSB0 /tmp/gobi
#echo -n "\$GPS_START" >/dev/ttyUSB2
#cat /dev/ttyUSB2

3g&gps4.png

GPS - NMEA sentence information
$GPGGA
Global Positioning System Fix Data
eg3. $GPGGA,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx*hh
1 = UTC of Position
2 = Latitude
3 = N or S
4 = Longitude
5 = E or W
6 = GPS quality indicator (0=invalid; 1=GPS fix; 2=Diff. GPS fix)
7 = Number of satellites in use [not those in view]
8 = Horizontal dilution of position
9 = Antenna altitude above/below mean sea level (geoid)
10 = Meters (Antenna height unit)
11 = Geoidal separation (Diff. between WGS-84 earth ellipsoid and mean sea level. -=geoid is below WGS-84 ellipsoid)
12 = Meters (Units of geoidal separation)
13 = Age in seconds since last update from diff. reference station
14 = Diff. reference station ID#
15 = Checksum
$GPGSA

GPS DOP and active satellites
eg1. $GPGSA,A,3,,,,,,16,18,,22,24,,,3.6,2.1,2.2*3C
eg2. $GPGSA,A,3,19,28,14,18,27,22,31,39,,,,,1.7,1.0,1.3*35
1 = Mode:

      M=Manual, forced to operate in 2D or 3D 
A=Automatic, 3D/2D

2 = Mode:

      1=Fix not available 
2=2D
3=3D

3-14 = IDs of SVs used in position fix (null for unused fields)
15 = PDOP
16 = HDOP
17 = VDOP
$GPGSV

GPS Satellites in view
eg. $GPGSV,3,1,11,03,03,111,00,04,15,270,00,06,01,010,00,13,06,292,00*74

   $GPGSV,3,2,11,14,25,170,00,16,57,208,39,18,67,296,40,19,40,246,00*74   
$GPGSV,3,3,11,22,42,067,42,24,14,311,43,27,05,244,00,,,,*4D
$GPGSV,1,1,13,02,02,213,,03,-3,000,,11,00,121,,14,13,172,05*67

1 = Total number of messages of this type in this cycle
2 = Message number
3 = Total number of SVs in view
4 = SV PRN number
5 = Elevation in degrees, 90 maximum
6 = Azimuth, degrees from true north, 000 to 359
7 = SNR, 00-99 dB (null when not tracking)
8-11 = Information about second SV, same as field 4-7
12-15= Information about third SV, same as field 4-7
16-19= Information about fourth SV, same as field 4-7
and so on .
Specific GPS - NMEA sentence information can refer http://aprs.gids.nl/nmea/