Product comparison · 2 telephones

Philips CD1550B/37 telephone Caller ID Black vs Philips SE1551B/21 telephone Caller ID Black

42specifications compared
8differ
34identical
6known for one product only

Key differences

The Philips SE1551B/21 telephone Caller ID Black has 4.3 m more maximum indoor range than the Philips CD1550B/37 telephone Caller ID Black (50 m vs 45.7 m). The Philips CD1550B/37 telephone Caller ID Black has 4.8 m more maximum outdoor range than the Philips SE1551B/21 telephone Caller ID Black (304.8 m vs 300 m). The Philips CD1550B/37 telephone Caller ID Black has 10 Hz more AC input frequency than the Philips SE1551B/21 telephone Caller ID Black (60 Hz vs 50 Hz). Only the Philips SE1551B/21 telephone Caller ID Black has answering machine. Only the Philips CD1550B/37 telephone Caller ID Black has speakerphone.

Answering machine
- CD1550B/37 telephone Caller ID Black:No
- SE1551B/21 telephone Caller ID Black:Yes
Maximum indoor range
- CD1550B/37 telephone Caller ID Black:45.7 m
- SE1551B/21 telephone Caller ID Black:50 m
Maximum outdoor range
- CD1550B/37 telephone Caller ID Black:304.8 m
- SE1551B/21 telephone Caller ID Black:300 m
Speakerphone
- CD1550B/37 telephone Caller ID Black:Yes
- SE1551B/21 telephone Caller ID Black:No
AC input voltage
- CD1550B/37 telephone Caller ID Black:120 V
- SE1551B/21 telephone Caller ID Black:220 - 240 V
AC input frequency
- CD1550B/37 telephone Caller ID Black:60 Hz
- SE1551B/21 telephone Caller ID Black:50 Hz
Base dimensions (WxDxH)
- CD1550B/37 telephone Caller ID Black:120 x 114 x 83 mm
- SE1551B/21 telephone Caller ID Black:117 x 118 x 77 mm
Handset dimensions (WxDxH)
- CD1550B/37 telephone Caller ID Black:162 x 48 x 29 mm
- SE1551B/21 telephone Caller ID Black:162 x 48 x 28 mm

Side by side

Differences highlightedShow differences only

Comparison of CD1550B/37, SE1551B/21
48 specifications	A Philips CD1550B/37 telephone Caller ID Black Model CD1550B/37 View product	B Philips SE1551B/21 telephone Caller ID Black Model SE1551B/21 View product
Performance3 differ
Answering machineDiffers	No	Yes
Intercom	No	No
Maximum indoor rangeDiffers	45.7 m	50 m
Maximum outdoor rangeDiffers	304.8 m	300 m
Ringer type	Polyphonic	Polyphonic
Recording timeKnown for one	Unknown — not stated by the source	10 min
Designidentical
Mounting type	Desk	Desk
Product colour	Black	Black
Integrated antenna	Yes	Yes
Phone features1 differ
SpeakerphoneDiffers	Yes	No
Phonebook capacity	50 entries	50 entries
Dialing	Tone/Pulse	Tone/Pulse
Microphone mute	Yes	Yes
Multi base capability	1	1
Multi handset capability	4	4
Paging function	Yes	Yes
Call managementidentical
Caller ID	Yes	Yes
Redial list capacity	5	5
Conference call	Yes	Yes
Call blocking	Yes	Yes
Call log entries	10	10
Call waiting	Yes	Yes
Explicit call transfer	Yes	Yes
Management featuresidentical
Alarm clockKnown for one	Yes	Unknown — not stated by the source
Volume control	Digital	Digital
Indicationidentical
Battery charge indicator	Yes	Yes
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Displayidentical
Built-in display	Yes	Yes
Display	TN	TN
Backlight colour	Amber	Amber
Backlight display	Yes	Yes
Display number of colours	Monochrome	Monochrome
Ports & interfacesidentical
Wireless connection	Yes	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Power2 differ
AC input voltageDiffers	120 V	220 - 240 V
AC input frequencyDiffers	60 Hz	50 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	120 x 114 x 83 mm	117 x 118 x 77 mm
Handset dimensions (WxDxH)Differs	162 x 48 x 29 mm	162 x 48 x 28 mm
Packaging contentidentical
Number of handsets included	1	1
Detachable belt-clipKnown for one	Yes	Unknown — not stated by the source
Base stationKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Battery technology	Nickel-Metal Hydride (NiMH)	Nickel-Metal Hydride (NiMH)
Battery capacity	550 mAh	550 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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