Option-Click AirPort Menu for Network Details
If you hold down the Option key while clicking the AirPort menu in Mac OS X 10.5 Leopard, you'll see not just the names of nearby Wi-Fi networks, but additional details about the selected network. Details include the MAC address of the network, the channel used by the base station, the signal strength (a negative number; the closer to zero it is, the stronger the signal), and the transmit rate in megabits per second showing actual network throughput. If you hover the cursor over the name of a network to which you're not connected, a little yellow pop-up shows the signal strength and type of encryption.
Written by
Adam C. Engst
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ISDN Purchasing Advice
ISDN Purchasing Advice -- Louis Lee <louie@louie.net> offers some advice from his experience as a major ISP network engineer in purchasing ISDN equipment for companies.
Try to obtain demo models of the routers for which you are shopping. You're going to live with this router a long time, so make sure you're comfortable with its configuration interface.
Ask your ISP's support team about which model to buy. Most technical support representatives can be very frank about equipment they've encountered. At the very least, they can tell you what has been known to work well with their equipment.
Consider purchasing the ISDN router with administrative support from your ISP if you are willing to assume a small security risk.
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