|Network interface: Standard RJ45||Network Protocol: TCP/IP、UDP、IGMP、RTP|
|Audio sampling rate: 16K~48K Hz||Audio mode: 16 CD stereo sound|
|Broadcast audio formats: MP3, WAV||Output frequency: 20 Hz ～ 20K Hz|
|Harmonic distortion: < 0.5%||SNR: > 70dB|
|Internal Speaker:8Ω,8W||MIC input sensitivity: 10mV|
|Audio stream: 16Kb ~ 192Kb||Audio output level(peak to peak):< 3V|
|Output linkage pole load:24V/3A||Camera: 1080P|
|Video stream: 128Kb ～ 2Mb||Power : < 20W|
|Working temperature: -20℃ ～ +80℃||Input voltage : DC24V/2.5A|
|Working humidity: 10% ～ 90%||Protection level: IP65|
|Panel Size: 422x331x4mm(LxWxH)||Alarm lamp size: ￠101x113mm（DxH）|
|Alarm box size: 426x335x100mm(LxWxH)（alarm lamp excluded）|
- Alarm/Intercom: able to send alarm and two-way visual intercom with IP master station.
- Duplex intercom: able to duplex intercom with IP master station.
- LED display screen: to display the information of alarm status.
- An external alarm flashing lights, which will flashes for indication when
- Could be used as a broadcast terminal and can receive mp3 files andannouncement from broadcast master station.
- Could be the monitor head of the IP master station.
- Able to send smash alarm to IP master station when violent destroy happened.
- With switch output, available to connect withelectronic lock or alarm linkage equipment.
- Network broadcast function. Announcement and MP3 files could be receivedfrom master station via network.
- Fire protection broadcasting function. It automatically turns the alarmvolume to the max when got fire alarm.
- Available to save several audio files(MP3,WAV),accept the controlinstruction from the third party and play the specified audio files.
- Online detection for substation. The host can do real-time onlinedetection for each directly under extension, which is easy for maintenance and overhaul in time.
- Support 4G communication by 4G wireless router (provide for oneself)
- Outdoor constant temperature supported by adding the heater, to make sure the device can work under -40℃
- Easy installation, just insert the RJ45 standard network cable to switcher.
- Accessory of a power supply (24V/2.5A).
- The model without display screen NLS-AW4-S1 is optional.