Herelink HD Video Transmission System v1.1

Herelink HD Video/Control/Telemetry Transmission System

Features

• ICASA Approved
• Tested and demonstrated BVLOS to SACAA for 15KM 
• Supports dual HDMI 1080P 60fps video input, which can be modified through the QGC interface.
• Dual S.bus signal output for simultaneous control of autopilot and pan/tilt cameras.
• The integrated digital transmission and image transmission can simultaneously transmit the flight data of the autopilot and the image output by the camera to the remote controller.
• Built-in QGC open source ground station with adaptable apm and px4 firmware for direct flight function.
• Independent Mavlink commands camera buttons and scroll wheel channels.
• Custom channel button and PWM value assignment.

Hardware Parameter

Technical specifications

Air Unit and Controller hardware information:

• Processor: SoC Pinecone S1 AP: 4 x large core, Cortex A53, 2.2GHz 4 x small core, Cortex A53, 1.4GHz GPU: 4 core, Mali-
• T860 SDR: A7 + DSP Storage: Sky: LPDDR3: 1GB Ground: LPDDR3: 2GB Sky / Ground: EMMC: 4GB
• Transmission Distance: FCC 20km CE / SRRC 12km Image transmission delay: 110ms Image transmission: 720p@30fps 1080p@30 / 60fps transmission
• Frequency Band: 2.4GHz ISM Receive sensitivity: -99dBm@20MHz BW Interference recovery: < 1s

Air Unit:

• Appearance: core board + video daughter board + structure of RF daughter board
• Among them, the video daughter board completes the input bridge function of theHDMI signal.
• The RF daughter board completes the function of transmitting and receiving signals
• M2 (E) connector connection between daughter board and core
• Size: 78.5x30x13mm
• Micro HDMI x 2: Input for external camera video signals
• 2 Pin interface x 1:5V-12V power input interface
• 3 Pin interface x 1:3.3V / 5V level UART interface
• 4 Pin interface x 1 : Two 3.3V level RC output connectors (S.bus in phase, S.bus inverting or PPM signal output, ground terminal control)
• Micro USB x 1: for debugging upgrades, support OTG mode
• Keyhole x 1: for frequency and status reset
• Indicator x 2: used to indicate the frequency and picture status
• MMCX antenna jack x 2: used for signal transmission and ground communication
• Signal bandwidth: 20MHz / 10MHz
• Power consumption: the average power consumption of the single-sided module is less than 4W

Controller:

• Housing: plastic
• Dimensions: 217 × 106.5 × 31mm (the whole machine does not contain external antenna and rocker)
• Screen: 5.46 inch, 1080P, 16 million colors, capacitive touch screen
• Audio: Built-in speaker × 1, built-in microphone × 2
• Remote control: rocker × 2, scroll wheel × 1, bottom button × 6, with backlight, top button × 1 (right)
• Communication : BT / WIFI / GPS 2.4G map transmission ground
• Indicator light: Top tri-color lamp × 2 (left, right)
• Interface: MicroUSB×1, TFlash×1 (supports maximum 64G expansion)
• Antenna: Orientation (5dBi) × 1 detachable, omnidirectional (2dBi) × 1 detachable
• Built-in wifi antenna, built-in GPS antenna, external GPS antenna interface
• Power : Built-in 4950 mAh Lipo Battery
• Charging : Support micro USB port 5v 2A current charging
• Power consumption: The average power consumption does not exceed 4W (only picture transmission work, medium screen brightness, WiFi off, GPS off)