CUAV LBA 3 UAV Communication Micro BaseStation

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CUAV LBA 3 UAV Communication Micro BaseStation

CUAV LBA 3 UAV Communication Micro BaseStation private network micro-base station system is a high-performance UAV long-distance and large-bandwidth link system solution independently developed by Leixun Innovation.

It consists of a LBA3 Base, an air terminal, and an AG gateway. It has 50km of long-distance communication coverage capability and 30Mbps bandwidth and supports up to 16 node networking functions. Supports access to the UAV cloud system* to realize remote control and video transmission of UAVs; equipped with UAV ground stations such as CUAV LGC, it can realize UAV formation flight.

It is ideal for long-distance communication links for industrial drones/unmanned systems equipment.


  • Developed based on advanced LTE technology
  • 50KM ultra-long distance transmission
  • 30Mbps large bandwidth, support star network
  • AES encryption technology
  • IP67 industrial three-proof design, no pressure for outdoor work
  • Support UAV cloud access and offline mode, expand infinite possibilities
  • Support UAV Formation


Data Sheet

NameLBA3 BASE and LW140/800
Technical standardBased on the LTE wireless communication standard
Transmission distance50KM(unobstructed countryside or suburbs)
Anti-jammingDynamic frequency hopping, intelligent frequency hopping within the frequency band
Frequency band1.4G version:1420-1448MHz
800M version:806-826MHz)
Transmit power5W
Network nodeUp to 16 nodes
Operating ModesStar network, point-to-point, point-to-multipoint
Transmission delay≤150ms
Management interfaceLBA3 BASE is managed by WEB
LW140/800 is managed by AG (WEB) gateway
LTE network typeLBA3 BASE built-in full Netcom 4G module
Operating VoltageLBA3 BASE:20~60V(Standard power consumption:24V 1.5A)
POE module supports 100~240V Utility Power
LW140/800:20~60V(Standard power consumption:24V 1.5A)
Operating temperature-15~65℃
SizeLBA3 BASE:220x120x50mm
LBA3 BASE:1.65kg
POWER(5023520200 to XT30)x1
N-type antennax2、
Power(SF12 to XT60)x1
POE lan(SF to RJ 45 Plug)x1
LAN(SF to RJ 45 Plug)x1
Degree of protectionLBA3 BASE: IP67


NameAG Gateway
WIFI frequency band5G 20dbm
CPU frequency580MHz
Operating Voltage4.8~5.2V(450mA)
Web management IPDefault IP (can be set):, password: none)
Network frequency banddefault (can be set):192.168.10.x
WIFI account12345678
Operating temperature-15~60℃
Storage temperature-20~60℃



AG Gateway


Led indicator light



F-LED: Communication failure indicator light, when the key verification or re-connection fails, the light flashes or is always on.

  • D-LINK: Slave communication status light, when the slave is connected to the master successfully, this light is always on
  • Power: Power indicator light, always on when the power supply is plugged in
  • Master: master status indicator, when configured as a master, this light is always on
  • N-LINK: network port status indicator, when the network port is plugged in, it will flash alternately.

AG Gateway

LST indicator light: the LED is always on, indicating that the USB connection is detected

  • LAN0/LAN2/LAN4 indicator light: always on means that LAN device access is detected, flashing means that data is being transmitted; off means no device is detected
  • WIFI indicator light: 5G WIFI indicator light, the LED flashes when WIFI is enabled, and when it is always on, it means entering the BOOT system
  • System indicator: system indicator (yellow, always on for boot status (USB indicator is always on)/system normal operation status; blinking for system startup).

Hardware connection

Install LBA3 BASE

  • Use a tripod to elevate the LBA3 BASE, use M4*8 screws to fix the quick release to the LBA3 BASE, and then install the quick release into the fixing rod.
  • Install the antenna, install the antenna of the Type N interface to the LBA3 BASE.


If the antenna is not installed to start the device, it may cause irreparable damage; please install the antenna before connecting the power supply; the tripod needs to be purchased by yourself, and a fixed rod with a diameter of 20~25mm is supported.

Power supply

1、Connect the POE power distribution module to Utility Power to provide power to the LBA3 base station.

2、Power bank/battery (DC) power supply; support 20~60v.

Install the LW140/800 and AG module

  • Insert the matching MCX feeder into the LW antenna interface, install the antenna to the drone, and install the antenna vertically upward or downward
  • Connect the flight controller (TELEM1/2) to the AG DATE interface (AG-FC Cable)
  • Connect the USB port of LW140/800 and AG gateway (USB cable)
  • LW140/800 Ethernet interface is connected to AG gateway LAN0 interface (ETH-LAN0)
  • Network port camera or ROS connected to AG gateway LAN1/LAN4


The IP camera or ROS device needs to be in the same network frequency band as the LBA link (the IP address is 192.168.10.X and the IP address cannot conflict with other devices); you can follow the tutorial provided by the supplier or consult a technical engineer.

First-time use

1、Connect to computer

  • Wired broadband

Connect the LBA BASE to the computer with a network cable, and start the LBA BASE; in DHCP (Network Connection>Internet Protocol Version 4) is set to automatically obtain IP, and the computer will automatically recognize the LBA BASE network)

  • WIFI

The LBA3 BASE WIFI name is LBA3_5G_xxxxxx (5G WIFI) and LBA3_xxxxxx
LW140/800 WiFI name is LBA3_AG_xxxxxx, and the default connection password is 12345678

2、Connect ground station

Take QGoundcontrol as an example

  • New link in app settings(application settings>Comm links>add)
  • Enter link name
  • Select the connection type as TCP
  • Enter AG gateway/LBA3 BASE IP
  • Set the port “5760” (according to the setting) and click “OK”
  • Select a new connection and click “connect”

3、Display video and control commands

Display the video, use the program software provided by the supplier, and follow the supplier’s tutorial to set up the connection

  • Take a camera as an example

Enter the RTSP video stream address in the software: rtsp:// (according to the actual IP setting of the camera, 192.168.10 is the network segment); establish a TCP connection, and control the pan/tilt and camera through the software.

System Topology

Point-to-point/point-to-multipoint communication system topology diagram

Topology diagram of multi-point UAV swarm formation system

LBA3 Quick Configuration Guide

This chapter mainly introduces the quick configuration of LBA3 based on the WEB platform.


The LBA3 link setting and firmware upgrade can be operated through the WEB platform; the LBA3 system has been preset at the factory, plug and play; for your better experience, there is no need to modify the settings, please do not modify the settings. After modifying the settings and upgrading the system, the configuration of the AG module of the air terminal may not be consistent with that of the LAB3 base station and communication cannot be established, so you can configure it through the WIFI connected to the AG module or configure the AG module first.

Log in to the Web

  • Method 1: After connecting the LBA base station to the computer (using a network cable), enter the air terminal ( / base station IP ( in the browser to enter the WEB platform (user name root, the password is empty)
  • Method 2: Connect LW140/800WIFI and LBA BASE (first use > connect to a computer), enter LW140/800 ( BASE IP address ( in the browser to enter the WEB platform (username root, password Is empty).


The IP address of accessing LW140/800 WEB through LBA3 BASE(, and the IP address of accessing WEB through LW140/800 WIFI(; the two are the same interface, and the WIFI network segment is different.

System pairing


LBA3 BASE and LW140/800 have the same access key to connect.
You can set the access key in Network>Radio>Radio info>Radio Config.

Modify serial port data format (baud rate/service port)

The default baud rate of the system serial port is 57600; you can modify the corresponding parameters in the device WEB management > Service >ser2net.

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The radio baud rate, system baud rate, and flight controller serial port baud rate should be the same.

Point-to-multipoint communication setup

It needs to modify the AG gateway and radio IP (all devices in the same LAN need to be in the same network frequency band and the IP is unique)

Modify the system IP address

  • Log in to AG ( or or LBA3 BASE ( WEB management platform
  • Set the IPv4 address in Network > Interfaces > LAN > Edit > General Settings.


It is recommended to change it to the range of, and the device needs to be restarted after saving. After modification, you will need to log in to the WEB platform with the new IP address.


Modify radio IP

Write the IP address in Network > Radio > Radio Info > Radio Config > IP Address, the default is


It is recommended to modify it within the range of

Repeater mode

LBA3 supports first-level relay, and the central node is set as the relay terminal (please contact technical personnel for the setting method).

Repeater mode

LBA3 supports first-level relay, and the central node is set as the relay terminal (please contact technical personnel for the setting method).

Upgrade firmware

Web management platform > system > Backup/Flash Firmware > Flash operations firmware interface to upgrade the system.

  • Flash IMAGE
  • Click “BROWAE” to load the firmware file, then “Upload”
  • If there is no configuration that needs to be updated, select “Keep the current configuration”, click “Continue” and wait for the firmware to be flashed.

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