COFDM Video Transmitter Wireless HDMI Receiver 2023 새로운

1. What is COFDM Video Transmitter?

The COFDM video transmitter, a high-definition digital mobile video transmission system adopts the fourth-generation mobile communication core technology COFDM (다중 반송파 변조 기술), combined with MH265 video coding technology, and independently developed equipment.

2. What is the application of the COFDM Video Transmitter?

The COFDM Video Transmitter can transmit real-time and stable high-definition audio and video under high-speed movement, in urban buildings, 숲, and other occlusion conditions.
COFDM Video Transmitter is widely used in various fields such as public security fire protection, 군대, 물 보존, 민방위, 도시 관리, electric power, 기타, and plays a huge role in emergency command and handling of emergencies.

COFDM 비디오 송신기 애플리케이션

Emergency Command

natural disaster
Flood Control and Drought Relief
Earthquake rescue
Geological disaster
산불 예방
Safe Production
railway accident
Air crash scene
rescue at sea
Electric emergency
Environmental emergencies
Communication Guarantee

Patrol on duty

remote support system
patrol command system
unattended system
airport patrol system
surface patrol system

Security Monitor

공공 보안 “110”
Fire “119”
Traffic police “122”
Civil Defense Command
Urban Management Law Enforcement
Water Conservancy and Flood Control
Customs and border defense
Terminal monitoring
Oil field anti-theft
군사 정찰

방송

Exercise live broadcast
news live broadcast
Live broadcast of literature and art
Live broadcast of the event

COFDM Video Transmitter Features

Not afraid of being blocked by trees and buildings, and has a certain diffraction ability
The product adopts a CNC shell, which has the characteristics of shock resistance and impact resistance
Optional lithium battery power supply
Using advanced COFDM modulation technology
High-speed travel-to-travel communication, up to 180Km/h
Non-line-of-sight transmission, the line-of-sight can reach more than 100 킬로미터
전방위 커뮤니케이션, 1080P high-definition image quality
Adjustable video rate, up to 15Mbps
Using the H265 encoding format
Portable mobile receivers can be used.

COFDM Video Transmitter and Receiver Products

5W piggyback transmitter
1W portable transmitter
Portable suitcase
Portable remote control
UAV remote control
Military combat command platform

COFDM 5W piggyback transmitter

It has broadcast-level audio and video encoding quality and supports multiple audio and video input modes
Two-way voice transmission and data transmission function
Aluminum alloy casing, 충격 저항, 좋은 열 방출
The panel displays the operating frequency and other parameters, which can be adjusted by the user on-site, intuitive and easy to use
H.265 인코딩, supports 1080P, and the code rate is automatically adjusted according to the channel bandwidth
It has the characteristics of non-line-of-sight (NLOS—시야가 확보되지 않음) and transmission in motion
The working frequency is adjustable, 즉, it can be set by itself within the specified frequency range
The transmitter adopts AES encryption technology, which can prevent others from receiving signals of the same frequency
2메가 헤르츠, 4메가 헤르츠, 6메가 헤르츠, 8MHz bandwidth adjustable
Support HDMI interface input, support HDCP protocol
Battery powered
치수 (단위: mm) 220엑스150엑스60mm
무게: 송신기 (bare metal): 1.5kg

COFDM 1W portable video transmitter for camera

COFDM 1W Portable video transmitter for camera wedding record

It has broadcast-level audio and video encoding quality and supports multiple audio and video input modes
Aluminum alloy casing, 충격 저항, 좋은 열 방출
The panel displays the operating frequency and other parameters, which can be adjusted by the user on-site, intuitive and easy to use
H.265 인코딩, supports 1080P, and the code rate is automatically adjusted according to the channel bandwidth
It has the characteristics of non-line-of-sight (NLOS—시야가 확보되지 않음) and transmission in motion
The working frequency is adjustable, 즉, it can be set by itself within the specified frequency range
The transmitter adopts AES encryption technology, which can prevent others from receiving signals of the same frequency
2메가 헤르츠, 4메가 헤르츠, 6메가 헤르츠, 8MHz bandwidth adjustable
Support HDMI interface input, support HDCP protocol
portable waist bag
Battery powered
치수 (단위: mm) 110 엑스 66.5 엑스 44
무게: 송신기 (bare metal): 150 지

COFDM Portable Handy Receiver

With broadcast-level audio and video decoding quality, it supports multiple audio and video output modes
Waterproof safety box, 충격 저항, 좋은 열 방출
The panel displays the operating frequency and other parameters, which can be adjusted by the user on-site, intuitive and easy to use
It has the characteristics of non-line-of-sight (NLOS—시야가 확보되지 않음) and transmission in motion
5G/4G transit can be customized, and remotely watched by the command center
17-inch bright screen, no pressure under the sun
Battery powered
치수 (단위: mm538406211mm
무게: 송신기 (bare metal): 13kg

COFDM Portable Video Remote Controller Receiver

COFDM-Portable-Video-Remote-Control-Receiver

With broadcast-level audio and video decoding quality, it supports multiple audio and video output modes
Metal shell, 충격 저항, 좋은 열 방출
Easy to control and customizable
It has the characteristics of non-line-of-sight (NLOS—시야가 확보되지 않음) and transmission in motion
10-inch bright screen, no pressure under the sun
Battery powered
치수: 360엑스240x235mm
무게: 송신기 (bare metal): less than 5Kg

COFDM tablet Video Receiver With Remote Controller

With broadcast-level audio and video decoding quality, it supports multiple audio and video output modes
Metal shell, 충격 저항, 좋은 열 방출
Easy to control and customizable
It has the characteristics of non-line-of-sight (NLOS—시야가 확보되지 않음) and transmission in motion
12-inch bright screen, no pressure under the sun
Battery powered
치수 (단위: mm27018030mm
무게: 송신기 (bare metal): less than 3Kg

COFDM Military Combat Command Platform Receiver

Main Parameter

주파수 범위: 300메가 헤르츠—1.5GHz의, 사용자 정의할 수 있습니다, can also be customized 2.4GHz, 5.8GHz의
Channel step: 1메가 헤르츠
전송 전력: 200밀리와트—–100W can be customized
데이터 인터페이스: RS232, 1200bps—-115200 bps transparent serial port
Encryption method: AES128 and other encryption methods can be customized
변조방식: COFDM
Configuration method: 2.4-인치 터치 스크린, PC software
Audio and video input interface: SDI, HDMI, 의 (AHD) 선택 과목
RF 대역폭: 1엠 — 8M 조절 가능, the step is 1M
Video code stream: determined by RF configuration parameters, 300Kbit——-16메가비트
Constellation diagram: QPSK, 16QAM, 64QAM
Receiver video output interface: default HDMI, other interfaces can be customized
작동 온도: -20℃—55℃

COFDM Wireless Video System transmission distance and transmission power amplifier relationship

힘 증폭기	LOS Transmission Distance	NLOS Transmission Distance
500밀리와트	>10km	<300중
1W	>30km	<500중
5W	>60km	<1500중
20W	>120km	<3000중
50W	>200km	<5000중
100W	>250km	<10km

The above is only the distance given according to the limit conditions. The transmission distance of this distance is also different under different electromagnetic environments, geographical environments, and erection heights.

COFDM-Wireless-Video-Transmitter-Transmission-most-application

COFDM 비디오 송신기 애플리케이션

Fire UAV image transmission and control
All-terrain vehicles
High head fire truck
Remote Excavator

UAV / UGV COFDM Video Transmitter 3000mW Power For Long Distance Transmission
자세한 제품 설명
회수: 300-900메가 헤르츠(옵션), 12G/2.4G/5.8GHz(맞춤형)
별자리: QPSK,16QAM,64QAM,QPSK/16QAM/64QAM @ 6/7/8MHz
전압: DC 12V
전송 거리: 3km 최대 NLOS (manpack); 100km Max LOS (헬리콥터에서)
크기: 157*95*45mm
RF 출력 전력: 1-3 와트
대역폭: 2.5메가 헤르츠
전송률: 2/4/6/8Mbps의

소개:

이러한 새로운 디자인의 1080P HD 송신기는 강력한 HD 전송 시스템입니다., using the core of mobile communication technology COFDM(다중 반송파 변조 기술), 도시 환경의 고속 모바일 및 무거운 빌딩 블록 전송 조건에서 좋은 품질과 안정적인 Full HD 디지털 비디오 신호를 전송할 수 있습니다.. 풀 HD 1080P H.264 인코딩 형식 및 HD/SDI 2개의 HD 입력 지원(단일 선택) 스테레오 균형 오디오 입력 및 협대역 전송 시스템도 지원합니다..

풍모:

낮은 지연, 경량, 생방송;
전체 지원- HD 화질 이미지;
1080i/1080P HD 전송 지원;
COFDM 조정;
HDM 또는 HD-SDI 인터페이스 내장(단일 선택);
복합 표준 비디오 및 균형 잡힌 오디오 입력 지원;
모든 매개변수는 사용자가 조정할 수 있습니다.;
사양:

전력부
DC 입력 DC11V~DC16V
작동 전류 ≤[email protected]
송신기 섹션:
주파수 범위 출력 250MHz-320MHz330MHz- 450메가 헤르츠 / 1000MHz –4400MHz,또는 고객의 요청에 따라 맞춤 설정할 수 있습니다..
변조 COFDM
RF 대역폭 4/8MHz(조절할 수 있는)
전원 출력 1-3W(조절할 수 있는),1dB 단위
SHG >52dBc
암호화 AES128/256비트
별자리 QPSK,16QAM,64QAM
독립 단기 치료소 1/2,2/3,3/4,5/6, 7/8
가드 간격 1/32,1/16,1/8,1/4
캐리어 2K
평탄도 전대역 ≤2dB,8MHz≤0.5dB
AV Interface HD/SDI(하나를 선택해야 해)
CNR(가중치) 58데시벨
경사 필드 SNR(비가중) ≥50dB
아날로그 오디오
균형 잡힌 오디오 입력 범위 Vmax=±15V
불균형 오디오 입력 범위 Vmax=3Vpp
HD interface SDI/HD(단일 선택)
암호화 AES 128/265 조금 / 올테크 기본 스크램블링
표준 SMPTE 425M (레벨 A 및 레벨 B), SMPTE 424M, SMPTE 292, SMPTE 259M-C SMPTE 272M SMPTE 299M
입력 범위 800±80(mV)
버전 HD 1.3
HDCP 프로토콜 예
인코딩 지원
AV율 64, 96,112,128,160,192,224,256,320,384Kbps(조절할 수 있는)
오디오 인코딩 모드 MPEG1 Layer2
CBER <2.0E-4
비디오 해상도 최대 1920×1080P/I@ 60P
비디오 코딩 H.264
비디오 속도 500kbps-16.68Mbps(자동적응)
YCbCr4 형식:2:2
작동온도 -25℃~55℃
보관온도 -40℃~70℃
거리 1-40km LOS 거리(방송 중)
1-2km NLOS 거리(지상에서 지상으로)