Claws and roadway spikes are add high security gadgets to traffic barrier in order to access controlled entrances and exits, boasting robust construction to withstand impacts from vehicles. They are used either as stand alone or with boom barriers to enhance security.
Bollards are also used to delineate the spaces between pedestrian walkways
and parking lots, such as outside stores. This helps to protect people walking into the store from errant vehicles. Bollards can also help prevent vehicles from crashing into buildings to deter terrorist attacks.
This is a cellular network-based multi-unit intercom system that, through mobile and globally based communication technology, offers the user management and administration features associated with GSM based
intercom systems. It allows for convenient screening of visitors to residential or business premises before they are allowed access while still at the entrance, especially useful for gated communities or big apartment blocks.