Wireless CCTV systems
Images can be transmitted using analogue or digital
technology. Wireless systems can suffer from interference from
devices such as routers, cordless phones and microwaves, and can
be blocked by heavy masonry or metal objects.
Outdoor CCTV cameras
If you’re using CCTV cameras outside, make sure they’re
weatherproof – an IP (International Protection) rating of 66 is
recommended. Wireless cameras are available, but you’ll still
have to run a cable to a power source. Position cameras where
they can’t be tampered with but can be accessed for maintenance
Indoor CCTV cameras
Indoor CCTV cameras come in three types: wired, wireless
and powerline networked (these plug into your electrical sockets
and transmit images to a storage device). Wireless cameras are
not recommended inside the home unless the signal can be
encrypted, as anyone within range and using a suitable receiver
would be able to view the images.
Storing CCTV images
Most home systems use a PC hard drive or standalone
digital video recorder (DVR). The main advantage of PC-connected
systems is that they often come with software to view the
images. Some DVR-based systems have this facility. Make sure
that your system allows you to store images in a widely used
format, such as Mpeg – otherwise there may be problems if images
need to be downloaded and viewed on other systems, such as those
used by the police.
Some CCTV systems let you check images over the internet
Some home CCTV systems let you check images over the
internet using a PC or smart phone. Other options include email
or text notifications when cameras are activated.
Monochrome (black and white) CCTV cameras tend to be the
most effective in low light, particularly when used with
integral infrared illumination – a feature found on some
cameras. It’s possible to use CCTV cameras that will film in
colour during the day and switch to monochrome when it gets
CCTV cameras with motion detection
Some CCTV cameras have a sensor that turns them on when
they detect movement. This can be handy if you want to reduce
the amount of footage you’re storing.
Whatever your requirements, we
will listen to your needs then advise you, guiding you through
initial system specification, install and aftercare.