Allows staff working in high-risk environments to remotely trigger an Attack call via a Quantec infrared call point, ceiling receiver or radio receiver Can also be used on 800 Series call systems to trigger Standard and Emergency calls via an800 Series infrared receiving device. 10m line-of-sight IR transmitting range. Radio coverage dependent on the Quantec receiving device used. Includes a Karabiner clip for attaching to staff uniforms. Calls are triggered by pulling the transmitters retaining clip or activating one ofits two buttons. Can be recharged using a QT424/1 single-way or QT424/10 ten-way charging unit. Can be programmed to generate different call levels using a QT423 configurator. Transmitters used on Quantec systems can also be programmed to includeaunique User ID/name.