IR Transmitter Modulation mode: FM Frequency synthesis: digital PLL Frequency band: 2.0 - 6.0MHz Frequency response: 100-14kHz Frequency stability: 10ppm Pre-emphasis: 75 μSec. Peak deviation: ±7.5kHz Distortion at 1 kHz: <0.5% Channel separation: >70dB RF output power level: 700mV RF output impedance: 55-75 ohms Input impedance: 18k ohms Max. input power level: 7.5V AGC range: 30dB S/N ratio: >75dB Power consumption: 40W Powe requirement: 110/240VAC, 50-60Hz 19" rack mountable case Dimension: 430×99×325 mm IR Radiator Frequency band: 2.0 - 6.0 MHz IR output power: 15W / 25W Switchable output level: Low/High Coverage range: up to 30 meters Angle of half intensity: ±22° RF output impedance: 55-75 ohms RF input voltage: 100-2000mV Power consumption: 55W, Stand-by 8W Power Supply: 110/240VAC, 50-60Hz Operating temperature: 0℃-40℃ Cable: 75Ω-4 coax, BNCconnectors Dimensions: 450×211×82 mm IR Receiver Modulation mode: FM Frequency synthesis: digital PLL Frequency band: 2.0 - 6.0MHz Frequency response: 100-14kHz De-emphasis: 75 μSec. Peak deviation: ±7.5kHz Distortion at 1 kHz: <1% S/N ratio: >55dB Frequency stability: 10ppm Operating voltage: 2.3V-3.6V Power consumption: 50mW Slide switch for channel selection Switch for power on/off & volume control 3.5mm earphone output jack Battery type: 2 x AAA alkaline or rechargeable Pocket clip and lanyard for easy-wearing Dimensions: 140×58×30 mm (HxWxD) IR Receiver Slide switch for power on/off Thumbwheel switch for volume control Up/down push buttons for channel selection LCD shows channel number & battery level Pocket clip and lanyard for easy-wearing Battery: 3.7V rechargeable Lithium-ion Integrated charging electronics & contacts 3.5mm phone output jack Modulation mode: FM Frequency synthesis: digital PLL Frequency range: 2.0 - 6.0MHz Frequency response: 100-14kHz De-emphasis: 75 μSec. Peak deviation: ±7.5kHz Distortion at 1 kHz: <1% S/N ratio: >55dB Channel separation: >55dBA Frequency stability: 10ppm Power consumption: 50mW Dimensions: 133×57×23 mm Clip-on Headphone TC-D1 Type: dynamic 40mm Single swivel clip-on hanger Impedance: 40Ω±10% Sensitivity: 102dB Frequency response: 7Hz to 24KHz Input power: 8-50mW 120cm cord with 3.5mm plug Full range enhance system Super bass frequency technology Stereo Headphone TC-D3 Ergonomic design Super heavy bass Frequency response: 20 Hz - 20 kHz Impedance: 32 ohms ±15% Sensitivity: 94dB ±3dB Maximum power input: 30mW Adjustable headband & soft earcups 40mm drivers for dynamic stereo sound 120cm single entry cord with 3.5mm plug Charging/Storage Case GX-20 Designed to be used for charging and storage of receiver units Accommodates up to 20 receiver units with Li-ion battery packs Microprocessor-based unit w/ smart charging circuit DC 5V low voltage charging power Independent LED indicators for charging status About 10 hours needed to fully recharge 20 receivers Receivers can be left in the case after the charge is complete AC/DC adaptor w/ power cord Power input AC100/240V 50-60Hz, output DC5V 8A Dimensions: 59x30x18 cm (LxDxH) Carrying/Storage Case GX-48 Handy locking aluminium/plastic suitcase Designed for carrying/storage of receiver units 48 positions with pre-cut foam Dimensions: 50×33×20 cm (WxDxH)