Dual channel PLL tuneable UHF wireless system with 2 handheld transmitters. The receiver unit is compatible with standard 19" racks using the included rack ears and front mounting antenna accessories. The RF carrier frequency is selected on the receiver and synchronised to the transmitter via infra-red at the touch of a button. Up to 2 RU210 systems can be operated together on the EU licence-free band.Power supply[tab]12-18Vdc, 500mA (mains adaptor included)[br]Batteries[tab]4 x AA (2 per transmitter - included)[br]Carrier frequencies[tab]863 - 865MHz (81 selectable frequencies)[br]Dimensions : receiver[tab]44 x 409 x 190mm[br]Signal to noise ratio[tab]>105dB[br]THD[tab]<0.5% @ 1KHz[br]Image rejection[tab]>85dB[br]Range[tab]60m[br]Output impedance[tab]2.2k Ohms[br]Output level[tab]400mV (balanced), 200mV (unbalanced)[br]Weight : receiver[tab]1.37kg[br]Frequency response[tab]50Hz-18KHz ±1 dB[br]Dimensions : transmitter[tab]265 x 49mmØ[br]Weight : transmitter[tab]330g (no battery)