IP Paging Microphone

Item No.: NAS-8502
Mainly used for one-way paging broadcasting, two-way intercom and audio monitoring in the security center.
Description Specifications Wiring Diagram Dimensional Drawing
● Stylish modular design paging station.
● Equipped with TFT true color LCD screen, gooseneck microphone, multifunctional keypad and status indicator lamp.
● Adopting high-speed industrial grade dual-core (ARM+DSP) chip, with start-up time ≤ 1 second.
● Available to select different zones for paging broadcasting, status indicator lamp will automatically display red light when the broadcasting begins.
● Built-in 3W speaker and unidirectional condenser microphone for two-way hands-free intercom and audio monitoring.
● Available to display the English name of the incoming & outgoing calls for identification.
● Available to trigger short circuit signal to the designated terminal during intercom (can be used to trigger external alarm light or electronic door lock).
● Equipped with 3.5mm audio line input interface which can be connected to external audio source.
● Equipped with 3.5mm audio line output interface which can be connected to active speaker.
● Supporting initiating & receiving offline intercom without centralized management server software.
● Equipped with standard RJ45 interface, accessible to the system wherever Ethernet is available, supporting cross-segment and cross-router.

● Optional: NAS-8502L eight zone selection expansion board (each shortcut button can be customized for paging broadcasting to specific area or designated speaker).

●Power Supply & Consumption:  DC 9V/2.5A, ≤5W
●Network Protocol:  TCP/IP, UDP, ARP, ICMP, IGMP
●Network Chip Rate:  10/100Mbps
●Audio Coding:  MP2, MP3, PCM, ADPCM
●Audio Sampling & Bit Rate:  8kHz~44.1kHz, 16bit, 8kbps~320kbps
●S/N & Frequency Response:  ≥90dB, 20Hz~16kHz
●Network Delay:  Intercom Delay≤30ms
●Display Screen:  TFT 1.8" LCD (128x160)
●Language:  English
●Interface: 1xPower Port, 1xRJ45, 1x3.5mm Audio Input, 1x3.5mm Audio Output
●Working Temperature & Humidity:  -10℃~65℃, ≤90%RH (Not Condensing)
●Dimensions & Weight:  244.2x121.5x60.3mm, 0.9kg


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Changsha SPON Communication Technology Co., LTD was established in 2004 with over 20000 Square meter workplace . It is a national high-tech enterprise which has own core intellectual property and innovative research & development capabilities. We have rich experience in IP video and audio products and PA system products.
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