The dual-band (5.8 GHz/2.4 GHz) design allows the base unit to transmit with more power in the 5.8 GHz frequency band and with greater efficiency at 2.4 GHz. The phone's true duplex transmission keeps the incoming and outgoing signals from interfering with each other.
The LCDs on both the base station and the handset provide caller ID/call waiting information (provided you have a subscription to caller ID service through your local phone company). The 5840's expandability with up to five additional handsets eliminates the need to hard-wire multiple extensions throughout the home. One phone jack and one power outlet are all you need to connect the 5840 base station and handset, while each additional AT&T 5800 handset requires only a power outlet for its compact charger/cradle. Calls can be transferred from one handset to another.
The 5840's enhanced audio technology derives from advances in acoustic design that have improved the frequency response relative to conventional cordless phones. The Sound-Select feature offers four different audio settings: bass, mid, treble, and natural.
The handset receiver lights up with incoming calls and can also be set to vibrate. It stores 50 names and numbers and works with your caller ID service to remember the last 50 callers. A spare-battery charging system enables the telephone to work even in a power outage. Choose from eight ringer melodies. Use AT&T replacement battery 2401.
What's in the Box
Base unit, handset, battery, AC power supply/charger, telephone line cord, instructions, warranty information
Note: The AT&T 5840 is no longer being manufactured. You may want to consider purchasing the newer AT&T E5860 instead.
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202 of 203 people found the following review helpful: By max fischer "max-fischer" (New York, NY United States) - See all my reviews This review is from: AT&T 5840 5.8 GHz DSS Expandable Cordless Speakerphone with Digital Answering System (Office Product) BOTTOM LINE: You've probably already discovered the lack of full-featured consumer-level cordless phones out there, especially in the 5.8 GHz category and that you really have to move into the SOHO dual-line systems and spend a good deal more to get a full-featured phone. But the bottom line is if you are looking for a full featured, single line, consumer level cordless phone w/ an answering machine built in, this is it - it's not perfect, but you don't have many other options in this price range.THE ALSO-RANS: Panasonic KX-TG2593 - feature-packed, but 2.4 GHz and bad quality reviews (just releasing 5.8 GHz line - probably will have same quality issues). Siemens 4215 - great form factor and feature-packed, but 2.4 GHz, no headphone jack, no base functionality and lukewarm quality reviews (pricier SL3501 and 8800 lines have headphone jack but are 2.4 GHz). CIDCO's 2.4 GHz D271's - almost perfect feature set but no answering machine and not in same price range (only marketed...Read more 108 of 110 people found the following review helpful: By Pruitt Hall (Greensboro, NC USA) - See all my reviews This review is from: AT&T 5840 5.8 GHz DSS Expandable Cordless Speakerphone with Digital Answering System (Office Product) My wife and I finally decided to retire our 8 year old Nortel (sold by Sprint in those days) answering machine and corded home phone. What made us want to finally give up the old reliable beast was we had assembled a 'hodge-podge' of phones through the years, having: The Nortel (which is both our phone and answering machine), two corded GE phones, a 900 mhz GE and a 2.4 Ghz Panasonic. If you have a teenager and a six year old, plus a working home office, you can probably relate. We were wanting to buy something that offered a nice base unit with answering machine and something that would allow additional 'satellite' phones to be connected, ease of use and all follow one common design theme. We actually put this on the back-burner and looked over the past six months at offerings from Panasonic, V-tech and Siemens, never really finding one that really excited us enough to replace what we had. While shopping this past weekend, we saw the new AT&T 5.8 Ghz phone and decided we had put...Read more 100 of 103 people found the following review helpful: By Craig Moore (Cincinnati, OH United States) - See all my reviews This review is from: AT&T 5840 5.8 GHz DSS Expandable Cordless Speakerphone with Digital Answering System (Office Product) For an all around workhorse system that offers thoughtless ease of use, powerful built in functionallity and expandability you will be hard pressed to find a phone of this caliber offered from a competitor. After looking at dozens of other systems I found every single one had caveats. The 5840 however was the closest match to my needs. The only feature I believe that should have been included but wasn't was the base dialing. But this is quickly remedied through the purchase of an additional handset. Simply leave the included handset cradeled after each use and the problem is solved. Even should the handset go missing you can still answer incoming calls on the speaker phone.As for no speed dial this is somewhat of a misnomer. If your speed dial is a frequently used number then 99% of the time it will appear in your redial menu. Simply select it and it works just like speed dial. Granted it isn't true 1 button calling, but it is still very handy. Range is fantastic. I...Read more |