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Case Study : RHS Garden Wisley

RHS Garden Wisley chooses CALM+ TETRA

Chatterbox supplied a CALM+ TETRA system to the Royal Horticultural Society’s 240-acre site in Wisley, Surrey. The system, whose primary purpose is to provide for the safety of staff and the million plus visitors the Garden attracts each year, uses GPS tracking to enable staff to react quickly to any incidents that occur.

Find out more about TETRA

 The Client


Wisley is the flagship Garden and educational centre of the Royal Horticultural Society; it attracts around a million visitors a year.

The Challenge


The RHS is responsible for the safety of staff and visitors at the site, which covers around 240 acres. Responding quickly and effectively to any incidents was the main priority for the RHS in specifying a system. Flexibility was also a consideration to accommodate expanding facilities at the Garden.

RHS Garden Wisley chooses CALM+ TETRA


Chatterbox supplied a CALM+ TETRA system using Sepura products. Two Sepura MBS Lite base stations, designed specifically for small systems, provide site-wide coverage, support over 200 Sepura SC2024 lightweight, hand-portable radios programmed for Lone Worker and Man Down, and Priority Interrupt. CALM+ TETRA dispatcher software provides voice recording and GPS mapping capability.

The system has been designed to allow for future upgrades including telephone interconnection with full-duplex calling and IP links to the three other RHS Gardens’ radio systems.

Working with Chatterbox


Chatterbox offers customers in depth knowledge of two-way radio communications and related technologies, a range of products from the world’s leading companies in two-way radio communication, and an unparalleled level of service with a committed account team for every CALM+ customer.

On-going service and support is an important part of the Chatterbox offering. Uniquely Chatterbox offers training videos on its YouTube channel to assist customers with staff training and basic maintenance.

Chatterbox is based to the south of London with easy access to the M25, and offers a nationwide service.

Call 020 7183 4391 for a no obligation system evaluation or quotation.