18KHz. Running Temperature level: -20 to 50 ° C. Dimensions: φ213 x 165mm. Network Wall Surface Mount Audio Speaker GEN-6011A03 Power Supply: DC24V/1A or POE. Interaction Procedure: TCP/IP, UDP, SIP, ONVIF. Signal-to-Noise Proportion: > 80dB. Regularity Action: 100Hz https://zioncxuuq.blogchaat.com/30037989/streamline-your-news-with-a-high-quality-ip-paging-microphone