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Herelink Overview

Herelink is an integrated remote controller, ground station and wireless digital transmission system designed to be used with the Cube Autopilot, Ardupilot or PX4. Herelink allows RC control, HD video and telemetry data to be transmitted upto 20km between the ground station and air unit, the Herelink remote controller features custom Solex TX and QGC applications and both air unit and ground station feature an integrated 8 core SOC for custom application development.
Herelink 1.1 is based on the original platform and functions of Herelink 1.0. The controller improved the display brightness up to 1000 nit. Moreover, an additional Ethernet interface is available on airunit1.1 to support more peripheral devices and adapt to more applications, a SD card slot is available on the airunit 1.1.
Note: Please use the latest version of flasher_win to upgrade your HereLink1.1 controller and HereLink1.1 airunit firmware. (https://docs.cubepilot.org/user-guides/herelink/herelink-user-guides/upgrading-firmware#download-firmware-upgrade-application)

1. Airunit and Controller

Processor
SoC – Pinecone S1
SOC
4 *Cortex A53, 2.2GHz / 4 * Cortex A53, 1.4GHz
GPU
4 Core, Mali-T860
SDR
A7 + DSP
Menory
Airunit LPDDR3 1GB | Controller LPDDR3 2GB
Storage
Airunit EMMC: 4GB|Controller EMMC：8G
Transmission Distance
FCC 20km | CE / SRRC / MIC 12km
Video Delay
110 ms
Image resolution
Frequency Band
2.4GHz ISM
Receive sensitivity
Recovery
< 1s

2. Controller

Case Material
Plastic
Weight
(herlink1.0) 516g（Including 2 antennas) | Here Link 1.1: 536g
Size
217×106.5×31mm (not include external antennas and joy-sticks)
Screen
5.46 inch，1080P，16 million colors, capacitive touch screen
Screen brightness
Herelink1.0 :600nit | Herelink 1.1 :1000nit
Audio
Built-in speaker × 1, built-in microphone × 2
Remoter
Hall affect gimbals with removable sticks x 2, scroll wheel × 1, bottom button × 6 with backlight, top button × 1 (right)
Wireless Communication
Bluetooth / WIFI / GPS / 2.4G map transmission ground
Indicator light
tricolour LED *2 (Up right and left corner)
Interface
MicroUSB × 1, Micro SD × 1 (supports maximum 64GB)
External Antenna
Directional antenna (5dBi) *1 detachable ，omnidirectional antenna(2dBi) *1 detachable
Build-in Antenna
built-in wifi antenna, built-in GPS antenna, external GPS antenna interface x 1
Power
Build-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)

3. Airunit

Airunit1.0

​
Case Material
Aluminum Alloy
Weight(antenna included)
Herlink 1.0 ：95g
Size
78.5×30×15mm
Signal Bandwidth
20MHz / 10MHz
Power Consumption
The average power consumption does not exceed 4W
Micro HDMI 1
Camera video signal input (Recommend)
Micro HDMI 2
Camera video signal input
Power Input
Recommended supply voltage 7V: minimum 6V, maximum 12V and avoid sharing BEC with servos
UART Interface
3.3V UART
S.bus Interface
Dual RCout ，S.bus1 and S.bus2
Micro USB
Used for debugging and upgrading, support OTG mode**（need external power for USB device）**
Buttom
Used for pairing and state reset
Indicator light 1 ，2
Used to indicate state for pairing and video transmission
MMCX antenna jack 1，2
Used for signal transmission and ground communication

Airunit1.1

Case Material
Aluminum Alloy
Weight(antenna included)
Herelink 1.1: 98g
Size
78.5×30×15mm
Signal Bandwidth
20MHz / 10MHz
Power Consumption
The average power consumption does not exceed 4W
Micro HDMI 1
Camera video signal input (Recommend)
Micro HDMI 2
Camera video signal input
Power Input
Recommended supply voltage ~7V: minimum 6V, maximum 12V and avoid sharing BEC with servos
UART Interface
3.3V UART
S.bus Interface
Dual RCout ，S.bus1 and S.bus2
Micro USB
Used for debugging and upgrading, support OTG mode**（no need external power for USB device）**
Buttom
Used for pairing and state reset
Indicator light 1 ，2
Used to indicate state for pairing and video transmission
MMCX antenna jack 1，2
Used for signal transmission and ground communication
SD Slot（only supported by Airunit 1.1）
For future usage
ETH Interface（only supported by Airunit 1.1）
Network protocol device access

4.Airunit Interface Specification

(Airunit1.0 & Airunit 1.1)

Power：
Pin #
Name
Description
1
Power
Power IN，7V - 12.6V max（3s Lipo supported）
2
GND
Ground pin
UART：
Pin #
Name
Description
1
RXD
RX of air module，3.3V TTL
2
TXD
TX of air module，3.3V TTL
3
GND
Ground pin
S.bus ：
Pin #
Name
Description
1
S.bus out 1
RX for control signal
2
GND
Ground pin
3
S.bus out 2
RX for Gimbal signal
4
GND
Ground pin
ETH（only supported by Herelink 1.1）：
Pin #
Name
Description
1
TX+
AUTO MDIX
2
TX-
AUTO MDIX
3
GND
Ground pin
4
RX+
AUTO MDIX
5
RX-
AUTO MDIX

Accessories

  1. 1.
    HereLink Airunit *1
  2. 2.
    HereLink Controller *1
  3. 3.
    Omnidirectional antenna *1
  4. 4.
    Directional antenna *1
  5. 5.
    Airunit antenna *2
  6. 6.
    Joy-stick *2
  7. 7.
    HDMI cable *1
  8. 8.
    Power cable *1
  9. 9.
    Telemetry cable *1
  10. 10.
    S.bus cable *1
  11. 11.
    USB cable *1
  12. 12.
    Back board *1
  13. 13.
    M1.6x16mm（Fan screw）*5
  14. 14.
    M1.6（Fan Nut）*5
  15. 15.
    Washer（Fan washer）*5
  16. 16.
    O-ring（Fan O-ring）*20
  17. 17.
    M1.6x3mm（Airunit case screw）*5
  18. 18.
    M3x10mm（Back board mounting screw）*3
  19. 19.
    M3 Nut（Back board mounting nut）*3
  20. 20.
    Fan*1（available in Herelink1.1）

AirUnit LEDs

LED1：
Solid Green Light : Receiving HDMI 1 Signal
Solid Red Light : Receiving HDMI 2 Signal
Solid Yellow Light : Receiving flight control data signal
Geen and Red light flickered alternately : Receive 2 video stream signal
Geen Yellow, and Red light flickered alternately : Receive 2 video stream signal and flight control signal
No Light : Receiving no valid video signal or flight controller signal
LED2：
Geen light flickered : Pairing
Solid green light : Receiving valid control signal and power is normal
Solid Yellow light : Unpaired/no valid signal received
Red light flickered : Unstable power
No Light : Airunit is not powered
Pair / Reset Button：
Controller pairing and Enter upgrade mode

Button and LEDs

Button：
Upper Left Wheel
Control gimbal (configurable)
Upper Right Button
Take photo (configurable)
Upper Right Button
Configurable
Button B
Configurable
Power Button
Power on/off and unlock screen
Home Button
Return to Land options (configurable)
Button C
Configurable
Button D
Configurable
Leds（Left）：
Flashing Red
Critical battery power
Solid Red
Low battery power
Solid Yellow
Medium battery power
Solid Green
Sufficient battery power
​
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Herelink User Guides
Last modified 4mo ago