Home > Products > Electronics & Electricity > Telecommunication & Broadcasting > Wireless Equipment

Description:
SF-4004C-GQ HD car DVR is widely used in automobiles, ships and other transportation industries, industry market segmentation for mobile monitoring made a special request. Different vehicles, the demand for automotive products are different. Public security, urban management, banknotes, communications, coaches and other special vehicles concerned that if the video data is complete and effective, have high requirements with memory property and image quality . Enhanced high-definition wireless car DVR, is a comprehensive multi-function car HD monitoring equipment set of wireless video transmission, two-way voice intercom, car hard disk video, Beidou / GPS positioning and car media player. The device supports storage 1080P image video format. Enhanced cluster intercom and command system applications bring a new operating experience for mobile monitoring quality requirements of customers, suitable for public security police, transportation, urban management law enforcement, special vehicle monitoring.
Key features:

1. Support 1080P storage and wireless transmission, industry-leading
2. Enhanced cluster intercom and command system
3. Original wireless coding transmission technology to ensure smooth video effects, support multiple cards and networks
4. Independent intellectual property rights video storage structure (CEFS streaming storage technology), strong fault tolerance, data not lost when power shuts down abnormally
5. Support two-way voice intercom
6. Dual hard disk backup and storage
7. Adopting wire rope damping technology, military grade shock absorber structure design, prolonging hard disk life and improving system reliability
8. Support pull hard drive, more convenient to replace the storage media
9. Embedded system design, built-in hardware watchdog, can work last 7X24 hours

   Power supply
   Power consumption	Bare metal power consumption	10W-15W
   	power input	Support 8-32V wide voltage input
   	Total output	DC12V 3A/support 6-way 12V output
   ACC	Support the delay switch mode when the ACC signal cut off , time 0-10 hours can be set
   Video
   Input	4-way CVBS analog video input，1Vp-p，75Ohm impedance
   	1-way SDI input。support 1080P input
   Output	2-way video output，1-way VGA interface，1-way CVBS composite signal output
   Radio
   Input	3-way sound input，LINE-IN input method
   Output	1-way sound output，LINE-out output method
   Talkback input	Single-ended microphone input, support standard F plug hand microphone
   Talkback output	Single-ended microphone output,support standard F plug hand microphone
   Memory
   TF card memory	Support TF card memory with 32G hugest memory.video according to the requirements,support network download
   Hard disk Memory	Support dual 2.5inch hard disk memory,pull the structure,each hard drive’s maximum memory is 1T
   Network
   Wire	Interface standard	RJ-45 network port，100M/1000M adaptive
   	Online upgrade	Remote online upgrade via network or download the upgrade package to the local upgrade
   Wireless	Mode	Two wireless channels can be supported at the same time,support multiple 3G/4G standard：EVDO、TD-SCDMA、WCDMA、FT etc
   	WIFI	Support 2.4G band WIFI module, WIFI module supports a variety of encryption methods
   Positioning
   Satellite positioning	GPS/Beidou	Support GPS / Beidou positioning, with a wealth of map engine, more accurate feedback geographic information
   Others
   Wireless on-line mode	Support often online (power on the line),triggered on the line by alarm ,timing line up and down，triggered on the line through SMS
   Reset	Factory reset	Before powering on the device, press and hold the reset button 15S , release the reset button and then turn off the device to restore the factory settings
   Clock	Internal RTC	The device integrates a real-time clock to keep the system time when the device shuts  down
   Watchdog	Internal watchdog,can monitor the device abnormalities, to ensure the equipment 7X24 hours reliable work
   I/O  input/ output	8 groups of alarm input (1,2 analog, 3,4 high alarm, 5-8 low alarm), level input mode is switch input mode. Analog input voltage input range: 8-25V 2 groups of relay output, 2 groups normally open; relay can withstand the maximum load 2A。
   Interface
   RS232	Three RS232 serial ports, support up to 115200 baud rate for external serial port peripherals, for external serial port peripherals,serial data will be transparently transmitted to the central platform through the wireless network
   RS485	One RS485 serial port, used to control the external PTZ, PTZ support Pelco-D, Pelco-P, Sony D70, Samsung and other seven kinds of protocols
   CAN	Support one standard CAN bus interface
   Video mode	Boot automatic video, regular video, manual video, alarm linkage video
   Size
   Size	240*205*75.5mm(L*W*H)