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====== 3g/UMTS USB Dongle ======

===== Introduction =====

Gargoyle 1.5.1 and above now supports 3g/UMTS USB Dongles for WAN access to the internet from your wireless ISP provider.

===== Supported Modems ====

  * Huawei E3372 4G LTE USB Modem

===== Prerequisites =====
 
To be able to use a 3g with Gargoyle

   * Your Gargoyle router must have a free USB port.
   * You need 3g/UMTS USB Dongle
   * An active account with you 3g provider
   * Routers with at least 8MB of Flash and 32MB of RAM.


===== Set-up =====

In your router configuration select

==== Select 3g ====

''-->> Connection -->> Basic -->> Internet/WAN -->> Connect via:''

Select ''3g (GSM)'' from the pull down box

{{:gargoyle_router_management_utility_-_mozilla_firefox_2011-12-01_20-04-07.png|}}

If ''3g (GSM)'' is not displayed you will need to plug in your 3g/UMTS USB Dongle wait a couple of minutes then refresh your browser.

==== Enter 3g provider details ====

You can either manually enter your provider details or select your provider from the drop down "Mobile ISP:" box

{{:3g_provider_details.png|}}

=== Service ===
service depends on the services (eg Orange in Poland allows you to connect GSM/UMTS (HSPA) and CDMA).

=== Device ===
Select USB port

   * /dev/ttyUSB0
   * /dev/ttyUSB1
   * /dev/ttyUSB2
   * /dev/ttyUSB3

If you don't have SSH access to your router you will have to guess which port your modem manufacture uses

|ZTE || /dev/ttyUSB2|
|huawei||/dev/ttyUSB0|
|sierra||/dev/ttyUSB3|
|Pantech |UMW190|/dev/ttyACM0|
|Pantech |UML290|/dev/cdc-wdm0|

=== Pincode ===
PIN is on the sim card. This may or may not be used.

=== Mobile ISP ===
Manual or select your provider

=== APN ===
Access Point Name (APN) is a computer protocol that typically allows a user's computer to access the Internet using the mobile phone network.

^New Zealand APN^^
|Telecom|internet.telecom.co.nz|
|2degrees|internet|
|Verizon|mw01.vzwstatic (Static IP in Midwest)|
|vodafone|www.vodafone.net.nz|

=== User Name ===
optional, provider dependant
 
=== Password ===
optional, provider dependant

=== WAN Ethernet Port ===
When using 3g select which option for your spare WAN Ethernet port
===== Trouble Shooting =====

From command line install picocom

<shell>
opkg update
opkg install picocom 
</shell>

Connect to your 3g dongle

<shell>
picocom -b 115200 /dev/ttyUSB0
</shell>

Change to your 3g port (USBx). If you get he wrong port you will get this error at he end when you type anything.

<shell>
Terminal ready

FATAL: write to term failed: Resource temporarily unavailable
root@Gargoyle:~$
</shell>

or when nothing is plugged in (3g dongle)
<shell>
FATAL: cannot open /dev/ttyUSB2: No such file or directory

</shell>

success will look something like this

<shell>
+ZDONR: "Telecom NZ",530,5,"CS_ONLY","ROAM_OFF"

+ZPASR: "HSUPA"

+ZDONR: "Telecom NZ",530,5,"CS_PS","ROAM_OFF"

+ZPASR: "UMTS"
</shell>

===== ZTE modems =====

ZTE USB modems by default support self-installation and auto-run functionality. This is a problem with linux devices and needs to be disabled.

To disable run

<shell>
picocom -b 115200 /dev/ttyUSB2
AT+ZOPRT=5
AT+ZCDRUN=8
</shell>






https://forum.openwrt.org/viewtopic.php?id=26045

http://www.zte.com.au/downloads/USB%20modem%20without%20Connection%20Manager_v.2.0.pdf
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