| Hardware characteristics |
| Hardware architecture |
Unique dual core construction, industrial chip architecture |
| communication mode |
WCDMA, EVDO, TD-SCDMA, TD-LTE, FDD-LTE (optional) |
| reliability design |
Power 4 protection, level 4 watchdog |
| Circuit board protection |
Environmental protection, three protection, silica gel protection |
| DVR performance |
| Video input |
4 channel video input, air interface 75 ohms |
| Video output |
1 channel video output |
| Coded format |
H.264 |
| Resolving power |
CIF, HalfD1, D1 optional |
| Frame rate and bit rate |
1-25fps adjustable 32K~20M Bit/s |
| Audio input |
4 channel audio input, |
| Audio output |
1 channel audio output |
| Coded format |
Support AMR, G711, G726, ADPCMA and other coding protocols |
| Storage mode |
Support two SD cards with maximum capacity of 128G |
| Camera power supply |
Air interface with built-in controllable 12V output |
| Interface performance index |
| Vehicle detection interface |
3 input interface (emergency, ignition, custom can support mileage pulse input or three state input two, select one) |
| Output interface |
1 channel Low level output：250 mA @ DC 12V |
| communication interface |
2 channel rear RS232 interface (1 of which comes with DC5V power output)1 channel RJ45 interface, extensible WIFI wireless interface |
| technical specifications |
|
| working voltage |
9～60 V/DC |
| Limiting voltage |
60V/DC |
| Battery protection voltage |
high：9V low：36V |
| Power reverse resistance voltage |
≥100V |
| Average operating current |
Average operating current: 200mA@24V (peripheral power supply)Maximum operating current: 900mA@24V (4 camera working and night vision light on) |
| Power saving mode |
＜25mA DC 24V |
| temperature characteristic |
working temperature -30 ℃ ～ +70 ℃Storage temperature -40 ℃～85℃ |
| humidity |
5％ ～ 95％ non-condensing |
| Outline size |
160×120×42mm (L x W x H) |
| Shell material |
Panel, industrial plastic, aluminium alloy case |
| Host weight |
0.52kg Net weight |
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