1. Product Introduction

DJHW/HZ‑33‑30M‑C belongs to DJADHOC broadband ad‑hoc radio family, built on OFDM‑TDD wireless communication architecture. Designed for field‑operation scenarios with no public network, signal obstructions and high‑speed movement, it delivers integrated wireless transmission for high‑definition video, remote control commands and sensor data.

The radio supports MESH multi‑hop networking. Mobile nodes can rapidly reconnect when re‑entering coverage after temporary disconnection. Routing will be automatically rebuilt upon topology changes, and alternative paths will be selected under link congestion. Supporting multiple deployment modes including UAV airborne, vehicle‑mounted portable and ground fixed relay, it serves as a high‑performance wireless communication terminal for emergency communication and inspection‑monitoring applications.

2. Core Technical Specifications

表格

3. Core Networking Capabilities

1. Fast Network Access & Re‑connectionNodes complete access within seconds after power‑on. Mobile nodes restore communication automatically when returning to signal coverage after disconnection.

2. Dynamic Intelligent RoutingSupports up to 3‑hop forwarding. System selects alternative transmission paths automatically under link disconnection or bandwidth congestion to guarantee uninterrupted services.

3. Rapid Multi‑Subnet MergingTwo physically‑isolated sub‑networks merge within 1 second once links are established. All nodes inter‑communicate without interrupting existing services.

4. Automatic Frequency‑Hopping Anti‑InterferenceScans electromagnetic environment automatically, avoids interfering channels and selects optimal working frequency to enhance reliability in complex scenarios.

4. Hardware Interfaces & LED Definition

Interface Description

1. Power Port: Molex 2.5 2‑pin, DC 9‑15 V input. Connect antennas BEFORE power‑on; powering‑on without antennas will damage RF circuits.

2. Serial‑Data Port: Molex 2.5 3‑pin, configurable TTL / RS232 / RS485 / CAN for bidirectional serial‑Ethernet transparent transmission over TCP / UDP.

3. RF Antenna Port: SMA connectors for MAIN and AUX antennas. Keep ≥15 cm distance between two antennas and stay away from large‑size metal structures.

Installation Note: Mount ground‑side antennas higher than 3 m at high‑elevation sites to reduce obstruction loss. At least two units are required for normal operation; single unit cannot work standalone.

LED Indicator Definition

• PWR: Power indicator, steady‑on when powered.

• MODE: Red = Master mode; Green = Slave mode.

• LAN1 / LAN2: Ethernet link status.

• RSSI: More lit LEDs mean better signal after networking; cyclic flashing when unconnected.

5. WEB‑UI Management System

1. If primary IP is forgotten, configure PC to matching subnet and access backup IP 192.192.192.192 for configuration recovery.

2. Configuration items: networking mode, master/slave role, matching key, bandwidth, frequency channel, transmit power, serial‑port TCP/UDP parameters.

3. Status monitoring: node IP, received signal strength, SNR, noise floor, modulation level, bit‑error rate, estimated transmission distance.

4. System maintenance: OTA firmware upgrade via web page without device disassembly.

6. Typical Application Scenarios

• UAV airborne video‑data transmission & MESH aerial relay

• Field emergency communication for fire‑fighting, forest‑fire prevention and maritime rescue in no‑public‑network zones

• Wireless data links for inspection robots, unmanned ground vehicles & USVs

• Pipeline inspection, field monitoring, vehicle‑mounted portable communication base‑stations

• Wireless backhaul of video, remote‑control & sensor data for special‑purpose industrial equipment

7. Package & Technical Services

1. Factory Pre‑configuration: Pre‑set frequency band, encryption key and master‑slave mode per project requirements for out‑of‑box networking.

2. Deliverables: Hardware specification, wiring definition document, WEB‑UI operation guide.

3. Technical Support: Remote debugging, link troubleshooting, project‑oriented customization available.

4. Firmware Service: OTA remote firmware update via WEB‑UI.

(DJHW/HZ-33-30M-C Product Physical)

(DJHW/HZ-33-30M-C product indicator light)

The indicator lights of DJHW/HZ-33-30S-C products are as follows from the left:

• LAN1: Indicates whether the network cable is connected.

• LAN2: Indicates whether the network cable is connected.

• RSSI: Indicates the energy strength of the signal received by the device. When connected, the LED will light up, and the higher the signal energy strength, the more LED lights up. When there is no connection, the 3 LED lights flash in a loop.

•  MODE: Red: The device is operating in "master mode", green: The device is operating in "slave mode".

  PWR: The device stays on continuously after being powered on.

The interface surfaces of DJHW/HZ-33-30S-C products are as follows from the left:

• Molex2.5 4PIN: 100Mbps network interface network interface 1.

• Molex2.5 4PIN: 100Mbps network interface network interface 2.

• Molex2.5 3PIN：RS232/TTL/RS485， Specify pin definition 123TTL/RS232T data interface 1 according to requirements.

• Molex2.5 3PIN：RS232/TTL/RS485/CAN， Specify pin definition 123TTL/RS232 data interface 2 according to requirements.

• Molex2.5 2PIN: Power supply voltage 9~28V, typical value 12V 1.5A or above power interface.

*Do not place other electronic devices too close to the device antenna to avoid affecting the bottom noise of the device.

*When pulling the distance, try to make the ground antenna unobstructed by obstacles, and place the ground antenna at a height greater than 3 meters.

*Please ensure that all connecting wires are securely fastened and all components are functioning properly before use.

*Please do not disassemble or modify without authorization, otherwise the warranty will not be provided. If you encounter any unresolved issues during installation or testing, please contact the original factory technical support.