Product comparison · 2 telephones

Philips D2551B DECT telephone Caller ID Black vs Philips D4751B DECT telephone Caller ID Black

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  • 48specifications compared
  • 9differ
  • 39identical
  • 14known for one product only

Key differences

The Philips D4751B DECT telephone Caller ID Black has 5 min more recording time than the Philips D2551B DECT telephone Caller ID Black (30 min vs 25 min). The Philips D4751B DECT telephone Caller ID Black has 10 more redial list capacity than the Philips D2551B DECT telephone Caller ID Black (20 vs 10). The Philips D4751B DECT telephone Caller ID Black has 30 more call log entries than the Philips D2551B DECT telephone Caller ID Black (50 vs 20). Handset type: Wireless handset on the Philips D2551B DECT telephone Caller ID Black, Wired handset on the Philips D4751B DECT telephone Caller ID Black.

  • Handset type
    • D2551B DECT telephone Caller ID Black:Wireless handset
    • D4751B DECT telephone Caller ID Black:Wired handset
  • Recording time
    • D2551B DECT telephone Caller ID Black:25 min
    • D4751B DECT telephone Caller ID Black:30 min
  • Redial list capacity
    • D2551B DECT telephone Caller ID Black:10
    • D4751B DECT telephone Caller ID Black:20
  • Call log entries
    • D2551B DECT telephone Caller ID Black:20
    • D4751B DECT telephone Caller ID Black:50
  • Standby time
    • D2551B DECT telephone Caller ID Black:200 h
    • D4751B DECT telephone Caller ID Black:250 h
  • Package width
    • D2551B DECT telephone Caller ID Black:184 mm
    • D4751B DECT telephone Caller ID Black:185 mm
  • Package depth
    • D2551B DECT telephone Caller ID Black:59 mm
    • D4751B DECT telephone Caller ID Black:60 mm
  • Package height
    • D2551B DECT telephone Caller ID Black:135 mm
    • D4751B DECT telephone Caller ID Black:136 mm

Side by side

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Comparison of D2551B, D4751B
62 specifications
Performance2 differ
TypeDECT telephoneDECT telephone
Answering machineYesYes
Handset typeDiffersWireless handsetWired handset
Recording timeDiffers25 min30 min
IntercomYesYes
Maximum indoor range50 m50 m
Maximum outdoor range300 m300 m
Number of melodies1010
ECO modeYesYes
GAP compatibleYesYes
Silent modeKnown for oneUnknown — not stated by the sourceYes
Designidentical
Mounting typeFreestandingFreestanding
Product colourBlackBlack
Buttons quantityKnown for one20Unknown — not stated by the source
Keypad lockYesYes
Anti-slip gripYesYes
Backlight buttonsKnown for oneUnknown — not stated by the sourceYes
Phone featuresidentical
SpeakerphoneYesYes
Phonebook capacity50 entries50 entries
Microphone muteYesYes
Multi handset capabilityKnown for one4Unknown — not stated by the source
Paging functionKnown for oneYesUnknown — not stated by the source
Call management2 differ
Caller IDYesYes
RedialingYesYes
Redial list capacityDiffers1020
Call blockingYesYes
Call log entriesDiffers2050
Call waitingYesYes
Management featuresidentical
Alarm clockYesYes
Clock with calendarKnown for oneYesUnknown — not stated by the source
PersonalizationRingtonesRingtones
Programmable hot keysYesYes
Volume controlButtonsButtons
CalendarKnown for oneUnknown — not stated by the sourceYes
Indicationidentical
Battery capacity indicatorYesYes
Battery charge indicatorKnown for oneYesUnknown — not stated by the source
Battery full indicationKnown for oneYesUnknown — not stated by the source
Battery low indicationKnown for oneYesUnknown — not stated by the source
LED indicatorsSignal strengthSignal strength
Displayidentical
Built-in displayYesYes
Display diagonal4.57 cm (1.8")4.57 cm (1.8")
Backlight colourKnown for oneWhiteUnknown — not stated by the source
Backlight displayKnown for oneYesUnknown — not stated by the source
Display number of linesKnown for one1 linesUnknown — not stated by the source
Power1 differ
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Battery typeAAAAAA
Battery recharge time8 h8 h
Talk time16 h16 h
Standby timeDiffers200 h250 h
Power consumption (typical)Known for one0.75 WUnknown — not stated by the source
Weight & dimensionsidentical
Cable length1.8 m1.8 m
Packaging data4 differ
Package widthDiffers184 mm185 mm
Package depthDiffers59 mm60 mm
Package heightDiffers135 mm136 mm
Package weightDiffers367 g391 g
Packaging contentidentical
Number of handsets included11
ManualYesYes
Certificatesidentical
CertificationCECE
Batteryidentical
Battery technologyNickel-Metal Hydride (NiMH)Nickel-Metal Hydride (NiMH)
Battery capacity500 mAh500 mAh
Other featuresidentical
Specific absorption rate (SAR) value (EU)0.1 W/kg0.1 W/kg

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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