Product comparison · 2 telephones

Philips CD4451B Cordless phone answer machine vs Philips CD4502B Cordless telephone

46specifications compared
8differ
38identical
8known for one product only

Key differences

Answering machine
- CD4451B Cordless phone answer machine:Yes
- CD4502B Cordless telephone:No
Product colour
- CD4451B Cordless phone answer machine:Black, Silver
- CD4502B Cordless telephone:Black
Multi base capability
- CD4451B Cordless phone answer machine:4
- CD4502B Cordless telephone:1
AC input voltage
- CD4451B Cordless phone answer machine:220 - 240 V
- CD4502B Cordless telephone:120 V
AC input frequency
- CD4451B Cordless phone answer machine:50 Hz
- CD4502B Cordless telephone:60 Hz
Base dimensions (WxDxH)
- CD4451B Cordless phone answer machine:116 x 110 x 81 mm
- CD4502B Cordless telephone:118 x 115 x 84 mm
Handset dimensions (WxDxH)
- CD4451B Cordless phone answer machine:46 x 26 x 160 mm
- CD4502B Cordless telephone:162 x 46 x 27 mm
Number of handsets included
- CD4451B Cordless phone answer machine:1
- CD4502B Cordless telephone:2

Side by side

Differences highlightedShow differences only

Comparison of CD4451B/51, CD4502B/17
54 specifications	A Philips CD4451B Cordless phone answer machine Model CD4451B/51 View product	B Philips CD4502B Cordless telephone Model CD4502B/17 View product
Performance1 differ
Answering machineDiffers	Yes	No
Recording timeKnown for one	15 min	Unknown — not stated by the source
Intercom	No	No
Ringer type	Polyphonic	Polyphonic
GAP compatibleKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Mounting type	Desk	Desk
Product colourDiffers	Black, Silver	Black
Backlight buttons	Yes	Yes
Integrated antenna	Yes	Yes
Keypad illuminationKnown for one	Unknown — not stated by the source	Yes
Phone features1 differ
Speakerphone	Yes	Yes
Phonebook capacity	100 entries	100 entries
Dialing	Tone/Pulse	Tone/Pulse
Message counter on baseKnown for one	Yes	Unknown — not stated by the source
Microphone mute	Yes	Yes
Multi base capabilityDiffers	4	1
Multi handset capability	5	5
Paging function	Yes	Yes
VIP group function	Yes	Yes
VIP group with own melody	Yes	Yes
Call managementidentical
Caller ID	Yes	Yes
Conference call	Yes	Yes
Call blocking	Yes	Yes
Call log entries	50	50
Call waiting	Yes	Yes
Caller ID on call waiting	Yes	Yes
Explicit call transfer	Yes	Yes
Redial list capacityKnown for one	Unknown — not stated by the source	10
Management featuresidentical
Alarm clock	Yes	Yes
Volume control	Digital	Digital
Indicationidentical
Battery charge indicator	Yes	Yes
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Displayidentical
Built-in display	Yes	Yes
Display	STN	STN
Backlight colour	Blue	Blue
Backlight display	Yes	Yes
Display number of colours	Monochrome	Monochrome
Display number of lines	2 lines	2 lines
Ports & interfacesidentical
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Wireless connection	Yes	Yes
Power2 differ
AC input voltageDiffers	220 - 240 V	120 V
AC input frequencyDiffers	50 Hz	60 Hz
Battery type	AAA	AAA
Number of batteries supported	2	2
Talk time	12 h	12 h
Standby time	150 h	150 h
Weight & dimensions2 differ
Base dimensions (WxDxH)Differs	116 x 110 x 81 mm	118 x 115 x 84 mm
Handset dimensions (WxDxH)Differs	46 x 26 x 160 mm	162 x 46 x 27 mm
Packaging content1 differ
Number of handsets includedDiffers	1	2
Base station	Yes	Yes
Detachable belt-clipKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Battery technology	Nickel-Metal Hydride (NiMH)	Nickel-Metal Hydride (NiMH)
Battery capacity	750 mAh	750 mAh
Other featuresidentical
Signal strength indication	Yes	Yes

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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