3.7 out of 3 reviews READ REVIEWS

Panasonic Cordless Accessory Phone Handset

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Overview & Details

Panasonic Cordless Accessory Phone Handset 
Stop running for the phone and grab an extra handset for your Panasonic phone system. This cordless accessory handset is perfect for expanding an existing system. Add an extra phone upstairs, in the basement or in a teenager's room. Block unwanted callers with the press of a button. Communicate with other handsets via intercom. Place 3-way conference calls. And when you can't answer, it takes a message for you. Thanks, Panasonic!

What You Get

  • Handset
  • 2 Ni-MH rechargeable AAA batteries for handset
  • Charging cradle
  • AC adapter
  • Installation manual
  • Manufacturer's 1-year limited warranty

Good to Know
Shop all Panasonic

The Key Specs

Display: LCD
Style: Cordless
Mode: DECT 6.0
Messaging: Voicemail capability
Speakerphone: Yes

The Basics

Model #: KX-TGDA51M
Color: Black
Measurements: Approx. 2.88"W x 6.63"H x 1.13" Deep
Weight: Approx. 4.48 oz.
Power Source: 2 AAA Ni-MH rechargeable batteries charge via included charging cradle
Battery Life: Talk Time - Up to 14 hours Standby Time - Up to 10 days
Country of Origin: Malaysia


Enlarged, high-visibility backlit touch controls
  • Large, 1.6" backlit LCD and numeric dial keypad simplify calling in any light conditions
  • Soft-touch amber backlit keypads and smartly positioned phone function buttons provide enhanced readability
Block unwanted callers
  • Dedicated Call Block button makes it easy to permanently block telemarketers, robocalls and other bothersome caller numbers
  • One button registers up to 150 caller numbers, even while the phone is ringing or while you're talking or listening
Ringer IDs
  • Download ringtones or choose from the phone's library to link individual ringtones to your preprogrammed phone book entries
  • Your assigned preprogrammed ringtones will sound when corresponding Caller ID numbers are received from incoming calls
Intelligent Eco mode
  • Lowers handset power consumption automatically on handset nearest the base unit, resulting in extended talk time
Intercom function
  • Communicate directly with other handsets in your system
  • Call your kids upstairs to come down for dinner
  • Communicate with your spouse in the nursery that baby's formula is ready

Battery backup
  • Long-lasting, built-in backup battery maintains power in the event of a power outage
  • A fully charged handset in the base unit provides up

Built-in voice message recorder
  • Answers when you can't and records a voice message  

More Features
  • Expandable to 6 Handsets
  • 3-way conference calling
  • Silent mode
  • Caller ID
  • Call waiting
  • Handset locator
  • 150-number call-block database 
  • DECT 6.0 extended signal range


Panasonic Cordless Accessory Phone Handset
3 reviews 3.7 out of 5

Review Breakdown

5 Star
66.67% 2
4 Star
0% 0
3 Star
0% 0
2 Star
0% 0
1 Star
33.33% 1
Would recommend to a friend
  • Additional Handset

    Bought the 5 handset model. FANTASTIC Buy and performance. Needed a 6th handset. Extra Handset was over priced.

    toyboxjim, PA
    Was this review helpful? 0 out of 0 found this review helpful


    Was this review helpful? 3 out of 3 found this review helpful
  • did not work with phone

    this cordless accessory phone did not work with my Panasonic phone system. Extremely disappointed, as will have to get whole new system because replacement phone not syncing. May not get Panasonic as the zero buttin jams after only 2 years of use.

    Elstar, NJ
    Was this review helpful? 1 out of 2 found this review helpful


This long-time electronics leader continues to create new products that bring the latest fun, functional technology to your home. One of the world's largest electronics companies, Panasonic is synonymous with innovation, quality, performance and ease-of-use. Products include flat panel TVs, portable CD players and cordless phone systems.