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compgk
ANSWERS: 3
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the 2.4ghz is more than 2x as powerful. 1000mhz = 1ghz 2400mhz = 2.4ghz 900mhz = 0.9ghz 2400mhz (2.4ghz) > 900mhz (0.9ghz) as the simple equations show above, a 2.4ghz cordless is 2.667 times as powerful as a 900mhz. it is transmitting with more power, gining the user more range and better reception (compared to a 900mhz). of course more power means more energy is consumed but between these two phones it is incredibly insignificant. anyway the phone is equipt with a larger capacity battery. most cordless phones last 4 hrs off of the charger.
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There are very few: - Some 2.4 GHz handsets can operate over a greater distance from the base station. The difference may not be significant, though. - The higher the frequency, the more data you can push down the pipe. Many 2.4 GHz phone systems include a single base station and multiple handsets that can be used simultaeously. Unless you have a need for this type of system, why buy one? - Signals from analog cordless phones can be picked up by radio scanners. There are fewer scanners operating at the higher frequencies at the present time. This will change, however, as more cheap high-frequency scanners are marketed. One technology eventually catches up with the other. - Some high-frequency phones are digital instead of analog. This provides the best security against snoops, if you are worried about someone within a couple of hundred feet of your home listening in on your conversations. How many people are liable to do this?
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Whilst you can scale up the amount of handsets you run off the one base station (example: DECT digital home phone systems), there is one potential disadvantage: RF interference from other high-frequency systems, particularly wireless A/V senders and WiFi devices. If any of these devices output a signal on a frequency which is too close to one another, this interference can be picked up on any of the other devices, potentially causing breakup, loss of sound, distortion or garbled sound... ... The same effects can also be witnessed on any of the other devices. For instance, when we had an A/V sender set up in our house, and someone was using a laptop with wifi enabled, whenever packets were sent or received from the router you would see and hear distortion on the TV screen. It did interfere a bit with our telephones... Another classic example of just how overcrowded the commercially-available spectrum is. Just something to bear in mind.
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