4ch 720p sd卡dvr

视频输入4CH输入
720p，960H，标准模拟信号
模式：4ch 720p / 4ch 960h
带过电压保护
视频输出两种模式：CVBS和VGA
db-15 for vga
点火一个点火输入
带过电压保护
数字输入四个数字输入
两个正触发输入
两个负触发输入
带过电压保护
电源输出：一个5V输出最大300mA
具有内部过流保护
乌特一Uart
LVTTL水平
GPS天线外部
支持天线插入/输出/短路检测
Wi-Fi天线外部（可选）
USB接口一个USB 2.0端口
鼠标/键盘/ USB闪存驱动器
LED指示灯四个LED指示系统状态
IRDA一个内部IRDA（可选）
一个外部IRDA
调试端口一个Uart端口用于调试
一般规格：
操作：-20至+ 70°C
空中接口协议
发送协议：TCP，UDP，SMS
计划定时报告：以预设间隔报告位置和状态
特殊报警：基于数字输入的特殊报警

4CH 720p SD card DVR

Video input 4CH input
720p, 960H, standard analog signal
Mode: 4CH 720p/4CH 960H
With over voltage protection
Video output two mode: CVBS and VGA
DB-15 for VGA
Ignition one ignition Input
With over voltage protection
Digital inputs four digital inputs
Two positive trigger inputs
Two negative trigger inputs
With over voltage protection
Power output: one 5V output max 300mA
With internal over current protection
Uart one Uart
LVTTL level
GPS antenna external
Supports antenna plug in/out/short circuit detection
Wi-Fi antenna external (optional)
USB interface one USB 2.0 port
Mouse/key pad/USB flash drive
LED indicator four LED to indicate system status
IRDA one internal IRDA (optional)
One external IRDA
Debug port one Uart port for debug
General specifications:
Operation: -20 to +70°C
Air interface protocol
Transmit protocol: TCP, UDP, SMS
Scheduled timing report: report position and status at preset intervals
Special alarm: special alarm based on the digital inputs