Tuesday, December 11, 2012

Do you think corded phones are better than cordless phones?

Q. Silly question but I was just wondering what you thought. Cordless phones are annoying. They have horrible quality, receive interference from just about any other device sharing the same network. Plus they need power to operate, so they are useless in a power outage. And there also in some ways a security breach. You can easily listen into a conversation with a baby monitor. And to top it off they lack most features that corded phones offer. So what's your opinion?

A. You clearly haven't used a modern cordless phone. A good digital cordless phone is unlikely to see any interference with much of anything, the link quality is indistinguishable from wired, and no, you cannot hear the call with a baby monitor. That's not to say that those things have not historically been problems, just that they're problems largely solved in pretty much all modern gear.

One good idea is to get a cordless phone system that does not collide with a home network or your microwave. Look for a 5.8GHz digital phone or a DECT (runs around 1.9MHz), rather than a 2.4GHz phone, which uses the same ISM radio band as your microwave, 802.11 network, X-Box 360, Sony PS3, Bluetooth phone, etc.

With that all said, yeah, I have a few wired phones as well as the cordless. Of course, this may also depend on how you get your phone service... if you're using POTS (plain old telephone system) phones, a corded phone is useful in a blackout. If you're on VoIP, FiOS, DSL, or Cable, there's a strong likelihood your network gear in the house goes down anyway, so the cordless phone is unlikely to be an issue.

I'm very happy with my digital 5.8GHz phones... one wired connection for a base station that supports up to eight handsets (I have four), phone to phone intercom system built-in, great range, enough to cover my house (4200ft^2) and the immediate areas outside (if I want to go for a walk in the woods AND talk on the phone, I'll use my cell).


how to make cordless home phones work better?
Q. is there a way to make cordless phones work better with less static or longer range?
i have a 5.8 phone, but i need it to work better im not gonan get a new one

A. replace your phones with DECT phones...
only buy pansaonic..

stay away from uniden and vtech...

check your line with a corded phone to ensure that the static is not on the line or jack... and if there is static at the jack, check the NID with the corded phone to determine if the static is inside or outside of your home... if outside call your local telephone provider to make the repairs... if inside and you have wire maintenance then the phone company can come and make the repairs free, otherwise they will charge you - or you can do it yourself, or have someone else do it...

DECT phones operate on 1.9Ghz which is an unlicenced radio spectrum set aside by the FCC for cordless telephone devices only... so other devices should not interfere... also with RF the lower the frequency the further the range, so they will provide better range than 2.4 and 5.8Ghz phones...

2.4Ghz phones operate within the same frequencies as many consumer electronic devices - wifi, cordless intercoms, cordless baby monitors, cordless video security cameras, microwave ovens..... etc..

placement of the main base - that connects to the dial tone, is also important.. you want to locate the main base in a location centered on the area you are attempting to cover with the cordless phone... keep in mind that physical obstructions (doors, floors, etc) can block or reduce the signal level and range of the phones.....


What frequencies to wireless phones/networks operate on?
Q. Doing a case study and the company "produces a complete line of logs and panels that can accomodate the full 806-960 MHz bandwidth".

I'm wondering what (all?) wireless technologies use these frequencies and if that's a good coverage of the wireless telemunnications spectrum.

A. The original cell phone frequencies in the U.S are in the 800Mhz band. The 1900Mhz band was added about ten years ago if memory serves. Cordless phones operate in the 43-49 MHZ range(OLD), 902-928 range, 2.4Ghz band, and 5.8Ghz band. Most wireless networks are 2.4Ghz but some equipment can be found in the902-924Mhz band and the 5.8Ghz band.

Some of the other equipment in that frequency range are pagers, 2 way radio service, part 15 devices, A/V transmitters and baby monitors. the 902-928Mhz band is avalable for use for a large number of devices.


What is the difference between 5.8 gighrtz and 6.0 gighrtz?
Q. What is the difference between a phone that has 5.8 giga hertz and 6.0 giga hertz?

A. I think that you are asking in relation to cordless phones... In which case, there are NO 6.0Ghz cordless phones... there is however DECT 6.0 phones, which operate in the 1.9Ghz range...

When it comes to radio frequencies, the lower the frequency, the further the range, as long as all other factors remain the same. 900Mhz phones would in theory have the best range, however, they operate at lower transmitting power then other cordless phones.

From best (range, battery life, etc) to worse:

DECT 1.9Ghz - best range, least interference, unlicensed radio spectrum dedicated strictly for cordless telephones.

2.4 Ghz - next best range, however this unlicensed radio spectrum is crowded with wifi, wireless video cameras, and various other wireless consumer devices, and therefore subject to increased interference.

5.8Ghz - unlicensed radio spectrum, not as crowded as 2.4Ghz but also may contain other consumer electronics. range is limited compared to 2.4Ghz and DECT phones.

900Mhz - no security, can be listened in on any radio scanner ("police scanner") unless equipped with DSS. least range of all currently available cordless phones. Many consumer electronics such as baby monitors, and wireless intercom and doorbell systems, and garage door openers operate within this frequency range.

1st Gen cordless phones (aprox 48Mhz) - poorest range, no security, can be listened in on with a radio scanner, also shares unlicensed frequencies with baby monitors. Limited frequencies. No longer commercially available, however some (very few) of these phones are still in use.





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Title Post: Do you think corded phones are better than cordless phones?
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