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I am in a remote location where the only possible way to access the internet is through a mobile broad band connection. I need to connect an android tablet to the internet, but it has no USB slot, so I cannot just plug the modem on it, besides at times I might need internet access simultaneously in both a desktop PC and the tablet, so it would be better if I could share the connection among this two devices. I have a TP-LINK TL-WR740N wireless router which I'm trying to use to do the trick, but I haven't being able to set it up right.

I'm connecting the PC to the router with a regular network cable, then sharing the internet connection with the wireless connection, then connecting the PC wirelesslly, after that I can connect the tablet to the LAN and access a small web page hosted on the PC however I don't have any internet access. I've being experimenting with different IP setups but no luck.

Like I said, I am on a remote location so I must do it with what I have, any ideas?

UPDATE:

The PC is running Windows 7, I've tried by setting up and ad hoc network but it is not detected by the tablet. I downloaded "Virtual Router" but it is unable to detect my broadband modem.

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Are you able to hotspot your PCs internet connection when using the Mobile Broadband device? –  50-3 Sep 18 '13 at 3:31
    
What OS is the PC running? –  jjlin Sep 18 '13 at 4:21
    
does your tablet support usb otg? most of them have a special cable that breaks out for devices that use a regular USB connector –  Journeyman Geek Sep 18 '13 at 5:33

2 Answers 2

up vote 1 down vote accepted

I'm understanding you have the following equipment:

  • Mobile broadband which has a USB connection where the PC may get internet via USB
  • Wireless router
  • Tablet and PC both need Internet

So, you can do the following:

  • Connect mobile broadband to PC. PC gets internet via mobile broadband.
  • Connect wireless router to PC. Log into wireless router's management interface and disable DHCP. If you can't disable DHCP, flash this router to DD-WRT (it's supported) and disable DHCP.
  • Setup wifi on wireless router as you need it. Set WAN options on the wireless router to DHCP.
  • Enable and setup Internet Connection Sharing on your PC (Not "virtual router")
  • Connect WAN port of wireless router to your PC's NIC.

Your PC should then have working Internet, and share it to your tablet via the wireless router's AP. Anything connected to the wireless should be getting an IP via the Internet Connection Sharing. As a bonus you can plug in additional stuff to the LAN ports and share further.

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If I disable DHCP the tablet is unable to get an IP address, the problem is that there's no obvious way to establish a fixed IP address on the tablet. –  demetrius amadeus Sep 18 '13 at 21:52
    
If you set it up the way above, anything on the access point should be pulling an IP from Windows ICS. It'll use the built-in DHCP server in Windows ICS. It won't work until you set up ICS. –  ultrasawblade Sep 18 '13 at 22:11
    
I did it as much as possible as you recommended, but on the WAN options the only thing related with DHCP is an option that says: "Get IP with Unicast DHCP" which appears when I choose "Dynamic IP address", and which I made sure to enable. After setting it up I took care to plug the PC into the WAN port of the router, but the tablet is not getting any IP address. –  demetrius amadeus Sep 19 '13 at 1:45
    
Try moving it from the WAN port to one of the LAN ports. –  ultrasawblade Sep 19 '13 at 4:30
    
No mater in which port I plug the PC, the tablet simply cannot get an IP address if DHCP disabled. –  demetrius amadeus Sep 19 '13 at 22:42

How to Connect to Internet With Android - A Step by Step Guide http://www.wikihow.com/Tether-With-Android

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Welcome to Super User! Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. –  Canadian Luke Dec 24 '13 at 17:09

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