Powerline Intercom System (Used)

Code: B77QH

  • Easy installation with the signal running through your mains earth wiring
  • Illuminated buttons giving you the ability to use the intercom in the dark
  • Direct access channel selector for easier channel selection
  • Exempt from vouchers

Product details

Powerline Intercom System (Used)

• Easy installation with the signal running through your mains earth wiring
• Illuminated buttons giving you the ability to use the intercom in the dark
• Direct access channel selector for easier channel selection

How easy is it to install?
The powerline intercom system is easy and simple to install. Simply plug each device in to the mains sockets in your premises and, providing the wiring runs through a single power meter, everything is set up ready to go

Can I adjust the sound?
The unit comes with an adjustable volume control allowing you to find the perfect level for you to converse comfortably between the units.

Is it easy to use?
To speak from either unit, you will need to press the button of the base station you want to speak to and press the talk button. The volume is easily adjustable by using the illuminated buttons on the front of the unit.

Power Source
Mains Yes
Battery No
Mains and Battery Backup No
Low Battery Indicator No
Wireless Yes
Wired No
Cable Length 1.8 m
Screen Size and Style N/A
Image Black / White N/A
Image Colour N/A
Night Vision N/A
Display Resolution N/A
Viewing Angle N/A
Image Sensor N/A
Clock N/A
One Way No
Two Way Yes
Volume Adjust Manually Yes
Volume Adjust Automatically No
Number of Chimes N/A
Operating Range
Maximum Operating Range 200 m
Transmission Frequency 99 - 145 kHz
Flashing Light when Bell is Pushed N/A
Operating Systems and Protocols
Wireless No
Operating Power Mains
Operating Temperature 0°C to 40°C
Body Colour Black
Dimensions 160 mm x 105 mm x 32.5 mm
Weight 658.5 g
Battery Type
Push Bell Unit N/A
Speaker Unit N/A
Compatibility N/A
Package Contents
2 x Intercom Units
User Manual

We have Solar Panels on the roof heating our water, and Photo Voltaic panels gathering electricity and sending it back to the supplier. Will this work with these panels installed?

Asked by: GeeCee
Yes this will work fine in your intended application.
Answered by: Darren
Date published: 2016-12-24

will the system work with a 3 phase whole current supply meter 

Asked by: rico
I am sorry but the item in question does not support use in your intended application.
Answered by: Dominic
Date published: 2015-10-06

Can they be used on extension cables?

Asked by: Kwla
Unfortunately these will not work with extension cables.
Answered by: Darren
Date published: 2015-08-20

is this for lndoor or outside

Asked by: karly
These are designed for indoor use only.
Answered by: DaveB
Date published: 2015-07-17
  • y_2017, m_8, d_13, h_23CST
  • bvseo_bulk, prod_bvqa, vn_bulk_1.0.0-hotfix-1
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_4
  • loc_en_GB, sid_B77QH, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_maplin-en_gb

Bulk Prices

Item code Item name Quantity Price
B77QH Powerline Intercom System (Used) (1+) £39.99

Why not tell us and our B2B sales team about your specific business needs and expectations?

At Maplin, we’re always looking for innovations and technology that can help your business work more efficiently.

With a dedicated business team and special services available only to business customers, you can access our electronics and technology solutions through our wide network of over 200 stores, our website with more than 20,000 products or though your personal account manager over the phone.

Working with organisations for nearly 30 years, Maplin offers a nationwide range of benefits to our business users:

  • 30 day EOM credit account
  • volume discount pricing
  • online and in-store use of account
  • one-to-one account management
  • bespoke product sourcing and branding
  • free delivery on orders over £10
  • scheduled and forward ordering service

Contact our business team on 

0333 400 9740 to open an account or discuss your business needs.

To receive your free copy of the Maplin Catalogue just call 0333 400 9740.


  • Home Delivery
  • Click & Collect