Spread spectrum phones provide better range than any other type of cordless phone. This technology often allows for a clear connection even when the handset is over half a mile away from the base. Spread spectrum phones also provide greater security, as they transmit your voice as a digital signal over a range of frequencies. For the VTech VT1721, digital spread spectrum technology provides great cordless sound as you move around the house or outside.
The VT1721 includes a lot of great features for a surprisingly low price. For example, the VT1721 includes advanced digital technology with over 16.8 million digital security codes and an alphanumeric caller waiting/ID system that displays up to 50 calls. The automatic and continuous channel monitor finds a channel with the lowest possible interference. The VT1721 remembers 25 speed-dial numbers to help keep you in touch with your most frequently dialed parties, and the menu-driven 4-line LCD displays phone status. A spare battery charger and power backup system (extra battery optional) keeps you going during power failures. You'll also enjoy VTech's smart dialing feature and its headset compatibility. Buttons provide flash, redial, and page/find functions.
Product Description:
VTech 900MHz digital cordless telephones offer two levels of digital security. The first is a function of Vtech proprietary digital encryption process. When your voice is converted from analog to digital, the resulting digital code is scrambled in a way that only the VTech handset and base unit are programmed to understand. Because the unique security code is random, other cordless telephone users, shortwave radio hobbyists, or baby monitors will not be able to eavesdrop on your private conversations. The second level is provided by a digital security code, which is randomly generated from more than 65 thousand possible codes each time the handset is placed in the base unit. This code is continually transmitted between the handset and base unit, preventing someone else from accessing your phone line, listening to your phone conversations or placing unauthorized phone calls.The VT 1721 also features Simultaneous Display of Caller's Number; Name and Date/Time of Call, for which purposes it incorporates enhanced four-line handset display for Caller ID and system programming. In addition, the Spare Battery Charger with Power Backup is available (if optional spare battery is installed). The Out of Range Indication shows that you've walked out of the range of connection possible, Any Key Answer and Face-up Handset Charging features also provide some extra power to this cordless phone.
Average customer rating: 
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VTech VT1721 Digital Spread Spectrum Cordless Phone
Manufacturer: Vtech ProductGroup: CE Binding: Electronics  900 MHz - DSS
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ASIN: B00001TQ3N |
Product Description
VTech 900MHz digital cordless telephones offer two levels of digital security. The first is a function of Vtech proprietary digital encryption process. When your voice is converted from analog to digital, the resulting digital code is scrambled in a way that only the VTech handset and base unit are programmed to understand. Because the unique security code is random, other cordless telephone users, shortwave radio hobbyists, or baby monitors will not be able to eavesdrop on your private conversations. The second level is provided by a digital security code, which is randomly generated from more than 65 thousand possible codes each time the handset is placed in the base unit. This code is continually transmitted between the handset and base unit, preventing someone else from accessing your phone line, listening to your phone conversations or placing unauthorized phone calls.The VT 1721 also features Simultaneous Display of Caller's Number; Name and Date/Time of Call, for which purposes it incorporates enhanced four-line handset display for Caller ID and system programming. In addition, the Spare Battery Charger with Power Backup is available (if optional spare battery is installed). The Out of Range Indication shows that you've walked out of the range of connection possible, Any Key Answer and Face-up Handset Charging features also provide some extra power to this cordless phone.Amazon.com Product Description
Spread spectrum phones provide better range than any other type of cordless phone. This technology often allows for a clear connection even when the handset is over half a mile away from the base. Spread spectrum phones also provide greater security, as they transmit your voice as a digital signal over a range of frequencies. For the VTech VT1721, digital spread spectrum technology provides great cordless sound as you move around the house or outside.The VT1721 includes a lot of great features for a surprisingly low price. For example, the VT1721 includes advanced digital technology with over 16.8 million digital security codes and an alphanumeric caller waiting/ID system that displays up to 50 calls. The automatic and continuous channel monitor finds a channel with the lowest possible interference. The VT1721 remembers 25 speed-dial numbers to help keep you in touch with your most frequently dialed parties, and the menu-driven 4-line LCD displays phone status. A spare battery charger and power backup system (extra battery optional) keeps you going during power failures. You'll also enjoy VTech's smart dialing feature and its headset compatibility. Buttons provide flash, redial, and page/find functions.
Customer Reviews:
Very good basic phone.......2000-06-24
**Best Phone I've Ever Used**.......2000-06-19
The range is incredible! I accidently took the phone with me when I left the house and more than two blocks away I heard a beep. Looking down at the display, there was an "out of range" indication. The thing kept beeping (should be able to silence this but I could have taken the battery out) but upon my return, I picked up the phone in aprox. the same location and there was a very clear connection. Again, awesome range more than two blocks from my house.
The display indicates Plenty of caller ID information as well as the handy address book (sorted only by alphabet, to get users to the top, you can use numbers like 01, 02, etc... Not too much of a nuisance to ME anyway)
Very good audio quality, those I connect to hear me loudly and clearly. I have purposely tried to make it echo by turning up the volume and cupping my hand in front of the mic but to no avail, nope! This thing performs like a champ and I love it. I have a slight problem with the headset (AT&T 90800) The volume I get from the ear portion of the headset is less than desired, and the mic doesn't perform nearly as well as the mic in the handset of the phone itself. A caller told me I was much clearer when I unplugged it. I am thinking about trying the 40 dollar one but am hessitant.
Overall, I think the phone is wonderful, I love the spare battery feature as it enables the base unit to opperate in a power failure, and provides a nice fresh one should the portable indicate a weak one. ...
The only reason I haven't given this unit a five star rating is because of the headset volume, and that may, or may not actually be the phone's fault. (I am hoping it is because of the AT&T headset which is comfortable yet perhaps not effective)
Hope this helps.
Clarity and Range for a Low Cost.......2000-05-13
Great Phone - when it's working.......1999-12-13
YOU GET WHAT YOU PAY FOR.......1999-12-09
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