True diversity one drag eight hand-held microphones

Waist pack transmitter with headset/lapel microphone specifications: Pickup type: Condenser Microphone pattern: CardioidPickup sensitivity: >-20dBM (1V) Transmission power: > 20dBM (30mWH) Microphone consumption: 150mA Effective distance: 500 meters in a straight line without obstacles Audio response: 50HZ—18KHZ F stability: ±0.001% Anti-cell phone electromagnetic waves: Yes Gain: 15db Input impedance: 5KΩ output power: 110mW Sub-wave suppression: > 50db Pilot: Digital pilot Display mode: LCD Power requirements: .5V*2 (AA) Battery life: > 5 hours / calculated at 1800mA Frequency stability: ±0.002 Communication instructions: Using microcomputer CPU control Battery warning: Intelligent battery under-voltage warning display Circuit indicators: PLL frequency synthesis technology dynamic audio and automatic level control circuit Noise lock noise control audio code navigation lock noise control The waist pack transmitter can be connected to a wired microphone via a conversion cable and is with various low-voltage condenser microphones (phantom power 12V)