Logitech and many other brands make wireless webcameras for your computer. You can use these or built in webcams to use programs such as Skype for communication.
You can purchase an Audio Technica wireless camera online from retailers such as Amazon. Once on the website, type "Audio Technica wireless camera" into the search field at the top of the page and press enter to bring up the information.
There are multiple reasons for that. Most common are... You are currently working in secured wireless network and the camera is not configured for it. Second, your camera is compatible with type of the network you are using. Third, the camera's IP is configured manually while you are using DHCP server. Forth, the camera belongs a different subnet and so on.
Either type is available.
If you are looking to find a wireless security camera for your home, your best bet would be to call a home security company and they will guide you to the right products and best plans to choose from.
Reviews in magazines would be one option for information on wireless infrared cameras. For quick reviews on this subject on will find customer reviews on sites like Amazon, who sells this type of equipment. Game-camera-review is another area to get some data on this type of camera.
wireless network
A 12 Volt deep cycle marine battery.
Wireless security cameras can come in a variety of sizes to fit any space you need them to. For example, if you are looking for a hidden security camera type of thing you could try looking here http://www.homespy.com/ where they have just about anything you could want in terms of a security camera.
A film camera
You can use router of G or N type and the same type wireless adapter. Of course you can use wireless N adapter with G-type router and reverse.
the basic type of camera is what they call point and shoot
For some reason a CAMERA is a CAMERA not a computer