Roadragon Bridge 8CH

Hardware features

Hardware architecture

Using dual-core processing chip, RTKe embedded operating system

Communication module

3G/4G

Reliability design

Power 4 re-protection, 4 watchdog

Positioning module

Support GPS or Beidou + GPS positioning module

External GPS active antenna, SMA connector

Support positioning antenna open circuit, short circuit detection

Circuit board protection

Three anti-paint spray protection

WIFI

Built-in WIFI module

External WIFI antenna, SSMA connector

sensor

Built-in temperature sensor, acceleration sensor

Technical specifications

Working voltage range

ACC OFF

12V system: low protection voltage 8.5V ± 0.5V, high voltage protection 36.5V, operating voltage range 9 – 36V

24V system: low protection voltage 17V ± 0.5V, high voltage protection 36.5V, operating voltage range 17.5–36V

ACC ON

high voltage protection 36.5V, operating voltage range 6 – 36V

24V system: no low power protection, high voltage protection 36.5V, operating voltage range of 6 – 36V

Limit voltage

100 V/DC

Battery protection voltage

Low end: 10V (12V car) or 20V (24V car) High end: 36V

Power supply anti-reverse voltage

100V

Ultra low power design

Support zero power standby, support regular shutdown, wake up

spare battery

Built-in 7.4V / 820mAH lithium battery

Super capacitor

Built-in super capacitor, power off the video can be more than 2 seconds

Installation method

Outside bracket mounting or embedded mounting frame

Shell material

Metal case

Display screen

2.4 inch TFT color screen, resolution 240 * 320, adjustable backlight brightness

Thermal design

Built-in fan, large shell heat sink, built-in cooling duct

Implementation of standards

interface

National standard

Part of the standard

GB/T19056-2012

Part of the standardPart of the standard

JT/T794-2011

audio port

Video interface

4 audio input (aerial head)

Data interface

1 channel audio output (RCA)

Storage media

8 video input (aerial head)

Signal detection (15 in 3 out)

1 video output (RCA)

Environmental characteristics

4-way RS-232

Automotive EDM Interference Immunity

1 way USB, 1 channel 485, 2 CAN bus

Fast Transient Burst Impedance

Electrostatic discharge immunity

Discharge voltage of 10 kV ~ 20 kV, the discharge frequency of 20 times / s ~ 200 Times / s

Conducted harassment limits

4KV, experimental grade IV

Radiation disturbance limits

Contact discharge 6KV, air discharge 8KV, experimental grade Ⅲ

Temperature characteristics

Meet the requirements of Class B

humidity

Meet the requirements of Class B

Image performance

Working temperature -30 ℃ ~ +70 ℃

Storage temperature -40 ℃ ~ +85 ℃

Image Format

5% to 95% non-condensing

Image resolution

Video performance

JPEG、GIF

Video compression standard

support QQVGA160×120、QVGA320×240、VGA640×480

support SQCIF160×120、QCIF176×144、

Image format

Frame rate

H.264

Audio performance

D1/Half D1/CIF/QCIF，Can support 8 D1

Encoding format

1-25fps

data storage

Track record storage

Support AMR, G711, G726, ADPCM multi-coded digital recording

Blind sector cache

Road detection storage

10,000 tracks record storage

Attribute area storage

Cache 1400 (point) location information

Power supply anti-reverse voltage

Can be set to 8 road data, each road can be 1023 broken line segment 256

Working current

A site composition