Emitter panel, requires NT20-1-120 or NT20-4-120 power supply (order separately) and a modulator or transmitter (order separately), covers 750 sq ft (mono) or 375 sq ft (stereo) (7.0 oz)
Two channel switchable/stereo IR transmitter (2.3/2.8 MHz), requires NT20-1-120 power supply (order separately), covers 750 sq ft (mono) or 375 sq ft (stereo) (9.0 oz)