Whenever you get a bad signal from windows, it is because of a slow connection. You cannot rely on this type of connection at all. This may result in failure in connecting in almost every part of the house where you can take your laptop. Wireless internet cards for laptops are available, but you need to choose the right one in order to make the connection fast only if you can apply these certain tips.
NANO WIRELESS N USB 150M WIFI NETWORK ADAPTER SMALL INTERNET CARD

| US $8.99 (0 Bid) End Date: Thursday Feb-09-2012 14:25:04 PST Buy It Now for only: US $9.99 Bid now | Buy it now | Add to watch list |

Sprint Novatel U727 wireless internet card

| US $10.99 (2 Bids) End Date: Thursday Feb-09-2012 16:26:50 PST Bid now | Add to watch list |

USB 2.0 WIRELESS N / G ADAPTER 150M NETWORK WiFi INTERNET CARD

| US $9.03 (0 Bid) End Date: Thursday Feb-09-2012 18:00:55 PST Buy It Now for only: US $10.04 Bid now | Buy it now | Add to watch list |

3.5G Wireless USB Modem HSDPA HiSpeed Internet SIM Card

| US $90.62 End Date: Thursday Feb-09-2012 19:00:35 PST Buy It Now for only: US $90.62 Buy it now | Add to watch list |

IEEE 820.11b/g/n 300Mbps USB Wifi Wireless Lan Internet Adapter Card

| US $15.68 End Date: Friday Feb-10-2012 1:22:26 PST Buy It Now for only: US $15.68 Buy it now | Add to watch list |

54Mbps 802.11 B/G USB Wireless Wifi Lan Internet Adapter Card With Antenna

| US $19.99 End Date: Friday Feb-10-2012 1:23:39 PST Buy It Now for only: US $19.99 Buy it now | Add to watch list |

MINI Wireless SDIO WiFi WLAN INTERNET Adapter Card For PDA HTC P3350 S310 750v

| US $30.14 End Date: Friday Feb-10-2012 5:21:53 PST Buy It Now for only: US $30.14 Buy it now | Add to watch list |

NANO WIRELESS N USB 2.0 150M WIFI NETWORK ADAPTER CORDLESS INTERNET CARD

| US $8.99 (0 Bid) End Date: Friday Feb-10-2012 10:05:08 PST Buy It Now for only: US $9.99 Bid now | Buy it now | Add to watch list |

USB 2.0 WIRELESS N 150M WIFI NETWORK ETHERNET INTERNET CARD

| US $9.99 (0 Bid) End Date: Friday Feb-10-2012 12:21:40 PST Buy It Now for only: US $10.99 Bid now | Buy it now | Add to watch list |

alltel EC360 wireless internet data card

| US $40.99 (0 Bid) End Date: Friday Feb-10-2012 13:27:51 PST Buy It Now for only: US $52.00 Bid now | Buy it now | Add to watch list |

- You should place the wireless connection in the center of the house. This may reduce the problem of weak connection. If you have placed the wireless internet cards for laptops in the corner of a particular room then the connection may be weak on the other end of the room. Therefore, it is necessary to place it in the center position to make it work properly.
- There are certain obstructions that will not allow the wireless card to work properly. The main thing that you should avoid is metal. You should always keep the metal away from the wireless internet card.
- The antenna is multi dimensional that comes with the wireless internet card. If the position of the antenna is at the outer wall of the house then most of the wireless signal will move out of the house resulting in the loss of signal. If you can put a Hi-gain antenna then it will move the signal in one direction, which will help you to fix the priority zone where you need the signal most.
- You can add a USB network adapter instead of the wireless network adapter. There are certain laptops that come along with an inbuilt wireless and therefore they do not need any adapter in excess.
- To give more strength to your wireless network you can also place another wireless repeater. You can put the wireless repeater in between the computer and access point.
- You need to change the frequency of the other wireless devices that you have in your home.
- You can always update or upgrade your firmware, which will increase the efficiency of your wireless internet card.
Therefore, to make efficient use of the wireless internet cards for laptops you will have to follow the above tips.