Based on the award winning S4000, the Trantec S4.4 UHF system boasts a multi-function receiver, 4 switchable frequencies and the latest PLL quartz tuning technology, making it the ultimate choice when up to 4 frequencies are required. It can be used licence-free in the UK on channel 70. The S4.4 has a host of additional features including LEDs on the receiver showing Power On, AF Peak level, RF Level and Diversity Channel A or B. In addition, the diversity operation receivers have front mounted antennae and variable gain jack plug output. The handheld version is fitted with a dynamic capsule and the beltpack has a locking 3.5 mm jack plug. The transmitter battery life is in excess of ten hours.