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Siemens Gigaset

Siemens Gigaset C620A Quad Cordless Phones with Long Range

this product has 23reviews 7questions


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Customer rating: 4.4 out of 5 | read 23 reviews or add a review

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Includes RTX Repeater for double the range Address book for up to 250 contacts Nuisance Call Blocking Up to 55 minutes of recording time on the digital answer machine

The Siemens Gigaset C620A Quad with Increased Range

This set of long range cordless phones includes the Gigaset C620A Quad along with an RTX DECT repeater. Setting up the range extender is straightforward when you follow or quick-start guide or video tutorial, and the C620A offers ease-of-use, practical features, and excellent sound quality making these an excellent choice of phones for larger homes.

Useful features

The Gigaset C620A has an integrated answering machine on the base with a recording time of up to 55 minutes to help you manage your missed calls. If you are subscribed to Caller ID the handsets will also store details of your most recently dialled, received, and missed calls (along with the time and date) and let you save numbers from these lists to the phonebook. Further benefits of the C620A include: call transfer, conference calls, intercom, and nuisance call blocking.

Exceptional sound and build quality

With the added DECT range provided by the RTX repeater you’ll be able to enjoy remarkably clear landline calls over greater distances without any distortion or interference thanks to Gigaset’s HSP technology. And as with all Gigaset phones, the C620A is built to last in their factory in Germany so boasts a 2-year warranty as standard.

Why should you buy these long range cordless phones?

If you’re looking for a quad set of premium quality DECT phones for the home, which will provide reliable range, great sound quality, and practical features then look no further.

For analogue line (BT, Virgin, TalkTalk, etc.)
No of handsets 4
System can be expanded to 6 handsets in total
Answering machine Yes
Phonebook Yes
Keypad/touchsceen Keypad
Caller ID (Display):
Wall mountable base | additional handsets NO/NO
Range indoors | outdoors in metres 50M/300M
Talk time | standby in hours 20H/200H
Warranty 2 years
Advanced Features
Anonymous call blocking/silencing Call blocking
Repeater compatible


Headset compatible

via GAP

via 2.5mm Headset Socket

Screen size | Backlit 1.8" | Yes
Colour Yes
Backlit/ Illuminated Keypad
Date & time
Screensavers pre-installed | downloadable Yes | No
Out of range indicator | alert Yes | Yes
Low battery indicator | alert Yes | Yes
Space per entry 3 numbers
VIP contacts
Automatic contact sharing between handsets
Phonebook transfer
Room/baby monitoring
Night Mode
Base Answering Machine
Record time 55
Remote access from outside line
Playback: handset| base Yes | Yes
Message counter indicator
Pre-recorded/ personalised outgoing message Yes | Yes
PIN protected
Handset locator
Call management & sound
Call blocking
Call transfer between handsets
Call waiting
Conference call
Internal calls (intercom)
Hold | with music Yes | Yes
Last number redial
One-touch loudspeaker
Earpiece volume control 5 levels
Handsfree volume control
Call Duration displayed
List of last...missed calls with time/date 20
List of last...dialled numbers with time/date 20
Two-way recording
Ringtones: melodies| polyphonic | real | downloadable 20 | 19 | - | -
Technical information
Talk time 20 hours +
Standby time 200 hours +
Handset dimensions (mm) 155 x 49 x 30
Base dimensions (mm) 132 x 126 x 52.5
Charger dimensions (mm) 82.5 x 73 x 39
PSU length -
Line cord length -
Battery type NiMH
Battery size AAA
Battery capacity 1300 mAh
Transmission technology DECT & GAP
Frequency band 1.88 to 1.90 GHz
Languages Yes (32)

Top 7 Product Questions for Siemens Gigaset C620A Quad Cordless Phones with Long Range

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of customers would recommend this product
Average Customer Review
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Customers most agreed on the following
Good points
  • clear voice (7)
  • Easy to read screen (6)
  • long lasting (4)
  • Lightweight (4)
  • Easy to use (4)
Bad points
  • None (5)
  • None (3)
  • screen text could be bigger (1)
  • Text on screen is a little small (1)

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Product Manuals Siemens Gigaset C620A Quad Cordless Phones with Long Range

Siemens Gigaset C620A Quad Cordless Phones with Long Range
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