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LD-H.265-4G High definition image transmission system

H. The 265-4G high-definition video live streaming system is a new generation product developed based on advanced video encoding technology and wireless channel bundling transmission technology. It has the characteristics of small size, high integration, and strong reliability. The product is widely used in high-definition video emergency command industries such as radio and television news live streaming, public security, armed police, military, fire protection, road administration, urban management, environmental sanitation, environment, public transportation, passenger transportation, electricity, etc.



Product Introduction

◆ Highly integrated design

The device adopts an embedded solution, with low power consumption (multiple cards less than 10W), strong reliability, small size, high integration, and high anti drop and seismic performance. The device supports multiple dedicated high-definition input interfaces, such as SDI and HDMI, and supports multiple video input formats such as 1080P, 1080i, 720P, D1, etc.



◆ Supports all network connectivity

LTE-TDD/LTE-FDD/WCDMA/EVDO/TDS-CDMA multiple networks, including 4G/3G support for China Mobile, China Unicom, and China Telecom. And can bundle up to 3 data card links to work simultaneously. The transmission delay is small, with an average delay of less than 2 seconds (when the bandwidth is extremely poor, the delay can be automatically adjusted to ensure smooth video quality).



◆ Technical Parameter



Compressed format

Video input

resolving power

Frame rate


Typical bit rate

H. 265/HEVC

One HD/SD-SDI and one high-definition HDMI

1080P: 1920 × one thousand and eighty

1080p/720p/D1 frame rate adjustable from 5 to 30 frames/second (actual frame rate depends on 4G network conditions)

The bit rate is adjustable, and the bandwidth of the 4G network can be adjusted appropriately.

300kbp/s~21M/s (typical 1-channel 4G bandwidth)

Audio frequency  

Compressed format

Audio input

Audio output


Dual mono/stereo, MIC/Line IN mode with optional sampling rate of 8-48K

Single channel audio output, 3Vmax, 16, dual mono/stereo

Network LTE-TDD/LTE-FDD/WCDMA/EVDO/TDS-CDMA Multiple networks, including 4G/3G support for China Mobile, China Unicom, and China Telecom

Wired network interface

Support Protocol


Ethernet 100/1000 Base-TX, RJ-45 connection port


CHAP-protocol authentication, DES encryption, data protection

Physical property  


input voltage

Operating ambient temperature

Operating environment humidity

Battery capacity (external)


<10 (W) (6 card products)

DC12V, can adapt to DC9~24V

-40~85 ℃



255 * 135 * 60 (mm)


Storage medium

Storage capacity

SD card (optional with Sata hard drive storage)

8G, 16G, 32G, 64G (with no capacity limit)



key word:


High definition images

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