Best Speedphone 51 2025

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Last Updated - 10/06/2025

Best Choice

01

Deutsche Telekom

Telekom Speedphone 52 DECT with Charging Cradle Black Cordless Phone 2.4 Inch HD Voice

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12% Off
9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

NATURAL SOUND EXPERIENCE: HD Voice technology for best voice quality makes your phone calls a new sound experience*: fuller, clearer and more natural. Also via hands-free call. Includes Bluetooth interface for wireless headset.
MAXIMUM BATTERY LIFE & RANGE: Much to discus? No problem with approx. 20 hours. Battery life (stand-by: up to 200 hours). Always accessible - whether in the house (range: up to 50 m) or in the garden (range: up to 300 m). ECO mode for automatic adjustment of the transmission power.
Intuitive and clear: The large LCD display has an icon-based user interface – for intuitive usability. Ergonomic premium design in piano lacquer look with illuminated keyboard ensures maximum usability.
Instantly log phone: Up to 5 Speedphones can be connected to one Speedport quickly and easily. Wireless connection allows the phone to be positioned independently of the router. You only need one socket, everything else is included: Speedphone 52 handset + charging cradle, 2 AAA batteries, power supply with cable (approx. 3 m) and instruction manual (English language not guaranteed).
ENVIRONMENTALLY FRIENDLY TELEPHONE: Energy-saving, low radiation and state-of-the-art technology: The Speedphone 52 stands for wireless IP telephony at the next level – inspired by the awarding of the Blue Angel. The ideal addition to your Telekom Router Speedport Smart (3) or Speedport Pro (Plus).

65,99 € 74,99 €(12% Off off)
02

Gigaset

Gigaset Comfort 520 Cordless DECT Telephone Elegant Design, Brilliant Audio Quality Even for Hands-Free Calling, Comfort Call Protection, Address Book with 200 Contacts, Titanium-Black [German

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Technology meets design – the Gigaset Comfort 520 impresses with its elegant, timeless design, the 2.2 inch large colour display and low weight - ideal for your home or home office. Only compatible in Germany - more information on the Gigaset homepage.
Quality made in Germany – designed and manufactured in Germany – the environmentally friendly Eco Dect technology ensures reduced energy consumption – the Gigaset Comfort 520 series is an Amazon exclusive product
Easy installation – simply connect the base station to the wall phone socket and start making calls directly – benefit from a quick and easy setup of your new phone
Do you have any questions about this product? Contact Gigaset customer service at 02871-912 912 (for your provider's landline tariff)
CONVINCING FEATURES - Make calls and hands-free calls in brilliant voice quality - Headset compatibility via 3.5mm jack connection - Comfort call protection for 150 numbers - Large address book
Box contents: 1 x Gigaset Comfort 520 base station, 1 x Gigaset Comfort 520 handset, 1 x power supply, 1 x telephone connection cable (TAE), 2 x AAA batteries (NiMH), 1 x battery cover, 1 x belt clip, 1 x user manual (English language not guaranteed)

65,99 €
Value for Money

03

Deutsche Telekom

Telekom Speedphone 12 Wireless Landline Phone For Use With Current Speed Ports, 5 cm Colour Display, High Voice Quality, Awarded The Blue Angel

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22% Off
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

No cable connection to the speed port required - can be set up flexibly.
Initial installation wizard for easy set up.
High voice quality – rich, clear and natural sound during phone calls.
Ergonomic shape and intuitive key layout with multifunction button.
Clear 5 cm colour display with a simple user interface.

31,15 € 39,99 €(22% Off off)
04

CELLONIC

CELLONIC Replacement Battery for Telekom Speedphone 52, 51, 31, 32, 12, 10, 11, Sinus 501, 301, 207, 206, 205, A32 Telephone Replacement Battery 2 x AAA Micro LR03, 2 x 1000 mAh Rechargeable Battery

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Low self-discharge: high-quality cells guarantee low self-discharge, which reduces the risk of deep discharge and the battery can also be stored unused for a long time
Long service life without loss of capacity - The removable battery has the latest NiMH technology with reduced memory effect. This guarantees a high number of charging cycles and a long life without loss of performance
Long running time for important phones: whether private call or business call: with the high capacity 2 x 1000 mAh, the additional battery provides the necessary power. Replaces original battery
Certified quality and safety: our batteries are regularly checked for quality and service life. Each cell is tested and tested before installation and is equipped with integrated overheating, over-voltage and short circuit protection
CELLONIC Battery for Telekom Sinus 10 Sinus 100 Sinus 101 Sinus 102 Sinus 103 Sinus 12 Sinus 20 Sinus 205 Sinus 206 Sinus 207 Sinus 2110 Sinus 212 Sinus 2120 Sinus 300 Sinus 301 Sinus 302 there Sinus 405 Sinus 406 Sinus 421 Sinus 4210 Sinus 500 Sinus 501 Sinus 502 Sinus 503i Sinus 520 Sinus 521 Sinus 600 Sinus 603 Sinus 604 Sinus 605 Sinus 606 Sinus 62 Sinus 620 Sinus 6220 Sinus 721 Sinus 810 Sinus 820 Sinus 900 Sinus A12 Sinus A206 Sinus A207 Sinus A301 Sinus A32 Sinus A405 Sinus A406 Sinus A501 Sinus A

6,90 €
05

Deutsche Telekom

Telekom Speedphone 51 Analog/DECT telephone Caller ID Black Speedphone 51, Analog/DECT telephone, Wireless handset, Speakerphone, 100 entries, Caller ID, Black

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

High voice quality - full, clear and natural sound for phone calls
Flexible installation - no cable connection to the speed port required
Easy to set up thanks to the initial installation wizard
Clear design - ergonomic form factor and intuitive button arrangement with multi-function button
Clear 5 cm colour display and simple user interface

49,99 €
06

Deutsche Telekom

Telekom Speedphone 51 Analog telephone Caller ID Black Speedphone 51, Analog telephone, Wireless handset, Speakerphone, 100 entries, Caller ID, Black

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

High voice quality - full, clear and natural sound for phone calls
Flexible installation - no cable connection to the speed port required
Easy to set up thanks to the initial installation wizard
Clear design - ergonomic form factor and intuitive button arrangement with multi-function button
Clear 5 cm colour display and simple user interface

54,99 €
07

Deutsche Telekom

Telekom Speedphone DECT Handpiece for CAT-iq, a/b Port and TAE for all Speedports with CAT-iq Base

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Easy to set up thanks to the initial installation wizard
Clear design - ergonomic form factor and intuitive button layout with multi-function button
Clear 5 cm colour display and simple user interface

49,99 €
08

Deutsche Telekom

Telekom Speedphone 32 | Landline Phone | Cordless | HD Voice for Full Sound | Large Buttons Phone | Hearing Aid Compatible | Hands-Free Function | Illuminated Large Colour Display

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14% Off
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Ideal quality
Flexible design
Ergonomic design

47,00 € 54,99 €(14% Off off)
09

Deutsche Telekom

Telekom Sinus 12 cordless landline telephone in white, 5 cm colour display, back-lit keyboard, connection-independent use on all standard routers and standard ports

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22% Off
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

With base for use with standard connection.
Initial installation wizard for easy installation
Ergonomic shape and intuitive keypad layout with multifunction button
Convenient signalling of new calls, hearing aid compatibility
5 cm colour display and simple user interface

34,99 € 44,99 €(22% Off off)
10

Deutsche Telekom

Deutsche Telekom Speedphone 11 black

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Phonebook entries: 100
Phone type: VoIP (SIP)
Hands-free calling: Yes Range up to 50 m (in building)/300 m (outdoors)
Display: 2" TFT, 176 x 220 pixels, 65,000 colours
Connection: Cordless

37,99 €