The use of cameras for security applications in surveillance and intelligence gathering has mushroomed.

The dVMo has solved the problem inherent with digital systems by reducing the time-lag, by fast processing of the digital signal The system is highly immune to multipath interference. In fact it uses the very nature of these reflections to boost its operation. It does this in a number of ways. The integrated receiver/decoder is fed by up to four receiver converters.

The receiver automatically switches to the optimum signal using a technique known as intelligent diversity reception using packet switching. To complement this technique the transmitter uses COFDM (Coded Orthogonal Frequency Division Multiplexing) technology. This is a system that sends the digital data by modulating many low-bit-rate data streams onto numerous narrow band radio channels of different and usually adjacent frequencies. The result is that any interference caused by multipath reflections only affects a percentage of the data stream. The dVMo receiver can usually recreate any lost data by using errorcorrection techniques.

The system has been built without compromise to perform in the most demanding of conditions.

The state of the art circuitry is well protected in tough aluminium casings with integral heat sinks.

For those users who require mobility and even greater flexibility, systems are also available in shoulder packs.

A range of compatible amplifiers completes this integrated system, and can boost performance even further.