AD1800 Passive Directional Antenna for 1.8GHz Systems Only Battery Powered LED Wash Panels the TM1 condenser microphone is

the TM1 condenser microphone is designed to capture acoustic measurements for room analysis software programs

System rating: 300 W continuous

hanging or pole-mounted

Optimum Air Cavity Behind Speaker: 20 to 40 liters (0

Power handling: 500W continuous

AD1800 Passive Directional Antenna for 1.8GHz Systems Only Battery Powered LED Wash Panels the TM1 condenser microphone isPassive directional antenna for 1800 MHz range Product Features Sennheiser AD1800 Passive Directional Antenna Antenna for 1. 8GHz Systems Only Gain: approx. 4 dB Connection: BNC socket, 50 Dimensions: 180 x 1920 x 22 mm Weight approx.: 116 g Product Specifications Frequency range: 1,4002,400 MHz Apex angle ( 3 dB): approx. 100 Front to back ratio: > 14 dB Gain: approx. 4 dB Connection: BNC socket, 50 Dimensions: 180 x 1920 x 22 mm Weight approx.: 116