18KHz.Running Temperature level: -20 to 50 ° C.Dimensions: ?213 x 165mm.Network Wall Mount Speaker GEN-6011A03Power IP Speaker Supply: DC24V/1A or POE.Interaction Method: TCP/IP, UDP, SIP, ONVIF.Signal-to-Noise Ratio: > 80dB.Frequency Action: 100Hz… Read More

reduced-profile power lines near an airfield Power lines and supporting structures might be a form of Visible pollution. In some cases the lines are buried to prevent this, but this "undergrounding" is dearer and thus not common.Digital radio consists of a variety of standards and technologies for broadcasting digital radio alerts in excess of the … Read More