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AES256 Encryption COFDM Wireless Signal Transmitter With Light Weight
AES256 Encryption COFDM Wireless Signal Transmitter With Light Weight
AES256 Encryption COFDM Wireless Signal Transmitter With Light Weight
AES256 Encryption COFDM Wireless Signal Transmitter With Light Weight
Specifications
Brand Name :
Hincn
Model Number :
HCT820
Place of Origin :
China
MOQ :
1 pc
Price :
US$985~US$1,285.00
Payment Terms :
,T/T,Western Union,MoneyGram,D/P,D/A,L/C
Supply Ability :
689pcs/month
Delivery Time :
7~14 working days
Packaging Details :
carton package
Wireless modulation :
COFDM
RF power :
1W(30dBm) or 2.5W(34dBm)
Frequency range :
300MHz~860MHz available
Encryption :
AES256
Weight :
<140g
OEM& ODM :
Support
Description
AES256 Encryption COFDM Wireless Signal Transmitter With Light Weight
AES256 Encryption COFDM Wireless Signal Transmitter With Light Weight
Key Features
  • COFDM modulation technology with -level data security
  • Low latency H265/H264 video encoding supporting up to 1080P/I @60fps
  • AES256 encryption for secure communications
  • Supports high-speed mobile transmission up to 800km/h
  • Ideal for NLOS video downlink transmission
  • Real-time video capture and encoding
Overview

The HC-T820 COFDM wireless signal transmitter features built-in h.265 encoder board, COFDM modulator module, and mini power amplifier. Encased in CNC aluminum alloy, it offers compact dimensions (104.5×50×27mm), lightweight design (under 140g), high resolution, and long transmission range.

Technical Specifications
Interface Details
HD video input Standard HDMI interface
SD video input 4PIN 1.5mm pitch connector (CVBS Analog Audio Video Input)
Data transmission 3PIN 1.5mm pitch connector (default TTL3.3V, RS232 optional)
Configuration port 4PIN 1.5mm pitch connector, TTL3.3V for Parameter Configure Board or PC connection
Power input XT30PW-M connector (12V Power Supply)
Antenna port SMA male connector
COFDM Wireless Modulation Transmission
Product name AES256 Encryption COFDM Wireless Signal Transmitter With Light Weight
Model number HCT820
Wireless modulation COFDM
IFFT mode 2K
Wireless bandwidth 1MHz~8MHz adjustable (1KHz step)
FEC options 1/2, 2/3, 3/4, 5/6, 7/8
Guard interval 1/32, 1/16, 1/8, 1/4
Constellation QPSK, 16QAM, 64QAM
Wireless code stream 0.5Mbps to 31.67Mbps
Frequency range 300~860MHz (customizable with 1KHz step)
Transmission power 1W (30dBm) or 2.5W (34dBm) standard (10W/20W optional)
Audio and Video Processing
Video input Single-channel HD/SD (auto-detected, HDMI preferred) or optional dual input
Supported formats 1080@60P/50P/30P/25P/24P/60I/50I/30I, 720@60P/50P/30P, 720×480 60I (NTSC), 720×576 50I (PAL)
Video encoding H265/H264
Audio input HDMI embedded or analog
Audio format AAC, 16bit, stereo, 32Kbps
Encryption AES256
Dimensions 104.5×50×27mm (excluding connectors)
Weight <140g
Power consumption 1W PA: <15W, 2.5W PA: <23W (12V DC, 11~13V)
Latency H265: 200~300ms; H264: 50~130ms
COFDM Wireless Signal Transmitter Interface
AES256 Encryption COFDM Wireless Signal Transmitter With Light Weight
Frequently Asked Questions
Q1. Does your COFDM wireless signal transmitter support changing frequency?
The transmitter frequency can be 160MHz~2700MHz, but our COFDM wireless receiver only supports 170~860MHz. You can specify a center frequency point, then our RF power amplifier will normally be made to operate within a frequency range of center frequency ±15MHz. For frequencies 860MHz~2700MHz, a frequency down converter is required at the receiver end.
Q2. Does this COFDM wireless signal transmitter support SDI video input?
Yes, our COFDM transmitter supports HDMI, SDI, CVBS AV, IP Ethernet RJ45 and AHD video input. Please specify your preferred input when ordering.
Q3. What's the max distance for the COFDM transmitter with 2.5W PA power amplifier?
For UAV/Drone applications, the LOS transmission range is about 50km when the UAV is at approximately 300 meters altitude, with receiver antennas installed as high as possible.
Q4. Does your VTX and RX support standard DVB-T protocol?
Yes, it supports three working modes:
1. Standard DVB-T protocol (no encryption)
2. COFDM protocol with encryption/decryption (H265/H264)
3. COFDM low latency protocol (H264 with encryption/decryption)
Q5. Can the COFDM transmitter handle simultaneous HDMI video and audio transmission?
Our wireless COFDM transmitter supports one HDMI and one auxiliary CVBS audio/video input simultaneously. Currently, it supports one sound source (selectable between HDMI or CVBS via parameter configuration board).
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AES256 Encryption COFDM Wireless Signal Transmitter With Light Weight

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Product Detail
Brand Name :
Hincn
Model Number :
HCT820
Place of Origin :
China
MOQ :
1 pc
Price :
US$985~US$1,285.00
Payment Terms :
,T/T,Western Union,MoneyGram,D/P,D/A,L/C
Contact Supplier
AES256 Encryption COFDM Wireless Signal Transmitter With Light Weight
AES256 Encryption COFDM Wireless Signal Transmitter With Light Weight

Hincn Limited

Verified Supplier
1 Years
hongkong
Since 2008
Business Type :
Manufacturer
Main Products :
UAV Video Transmitter, COFDM Transmitter, Video Data Link
Total Annual :
1000000-4000000
Employee Number :
30~50
Certification Level :
Verified Supplier
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