Q2: What is the system delay?

A2: Video + Audio latency: 150–300 ms ; Data latency: ~40 ms .

Q3: Can it support two-way data?

A: Yes. It supports bidirectional RS232/RS485 data and two-way voice intercom simultaneously.

Q4: Can it be made smaller or lower power (2W)?

A: Yes, a compact 2W version (13×10×3.7 cm) is available.

Transceptor de áudio e vídeo de longo alcance COFDM 2W para robôs

Q: Q1: What’s the range of COFDM 2W Long-Range Video Audio Transceiver?

A1: Typically 1–2 km near the ground, and up to 4–8 km in clear LOS conditions (depends on environment and antenna height).

Índice

Customer Inquiry about COFDM 2W Long-Range Video Audio Transceiver for Robots

“I’m looking for a transmitter and receiver, COFDM com áudio bidirecional e vídeo unidirecional, longo alcance, I think 2W might be fine.”

This is a very typical inquiry from professionals working with robôs terrestres, remote vehicles, and mobile command systems, where reliable long-range video and audio communication é essencial. Let’s break down the requirements and the perfect product that fits them.

Quad Video Transmitter with Data Audio Transceiver for Robot or Mini Remote Operated Vehicle — Transmissor de vídeo quádruplo com transceptor de áudio de dados para robô ou mini veículo operado remotamente

Understanding the Customer’s Needs

The customer clearly wants:

Tecnologia COFDM for robust, anti-interference transmission.
Two-way audio for live communication between operator and robot.
Vídeo unilateral to send clear, low-latency visuals from robot to operator.
2Potência de transmissão W para medium-to-long range operação (1–2 km, even close to the ground).

Such a setup is typically used in cães robôs (na UGV), bomb disposal robots, e inspection vehicles, where maintaining real-time video, controlar, and voice contact is critical.

Produto recomendado:

👉 Quad Video Transmitter with Data Audio Transceiver for Robot

This model from iVcan perfectly matches the customer’s requirements — a COFDM-based system that integrates vídeo, áudio bidirecional, and bidirectional data into one compact module.

Key Features

Transmissão de vídeo unidirecional

Suporta até 4 camera inputs (frente, traseira, esquerda, certo).
1080P / 720P AHD video input supported.
Modulação COFDM ensures stable, non-line-of-sight (NLOS) transmissão.
Baixa latência: 150–300 ms end-to-end.

Two-Way Audio + Dados

Voice intercom: Microphone on transmitter, speaker/headset on receiver.
Bidirectional control data: Send robot commands from receiver to transmitter.
RS232/RS485 interface selecionável.

Flexible Power & Freqüência

Potência de saída: 0.1–4W adjustable (2W ideal for 1–2 km range).
Frequencies: 330–590 MHz for video; 902–928 MHz for data.
Customizable for special frequency bands or applications.

Smart Interface

WEB UI configuration for easy setup.
HDMI, Saída Ethernet at receiver for monitors or control PCs.

Recursos avançados

Real-time 4-camera merge display or channel switching.
Analog audio in/out, customizable OSD, and multiple modulation modes.
Projetado para tough environments: -40°C to +80°C operation.

Cenários de aplicação

Cachorro Robô / UGV controle remoto.
Combate a incêndios / Rescue Robots.
Explosive Ordnance Disposal (EOD) robôs.
Farm, mineração, or inspection vehicles.
Police or military mobile surveillance systems.

Even when the antennas are close to the ground, this system can achieve stable long-range transmission due to COFDM’s strong diffraction ability.

Perguntas frequentes

1º trimestre: What’s the range of COFDM 2W Long-Range Video Audio Transceiver?

A1: Tipicamente 1–2 km near the ground, e up to 4–8 km in clear LOS conditions (depends on environment and antenna height).

2º trimestre: What is the system delay?

A2: Vídeo + Audio latency: 150–300ms; Data latency: ~40 ms.

3º trimestre: Can it support two-way data?

UMA: Sim. Ele suporta bidirectional RS232/RS485 data e two-way voice intercom simultaneamente.

4º trimestre: Can it be made smaller or lower power (2W)?

UMA: Sim, um compact 2W version (13×10×3.7 cm) está disponível.

Q5: Why does video blur when moving fast?

UMA: It’s caused by dynamic video compression — a trade-off to maintain real-time low latency.

Conclusão

For users seeking a Transmissor e receptor COFDM com áudio bidirecional, one-way HD video, e confiabilidade de longo alcance, o
Quad Video Transmitter with Data Audio Transceiver for Robot
is one of the best all-in-one solutions available.

It’s engineered for robotic and ground vehicle systems, oferta robust performance, easy setup, e outstanding communication stability — even in complex, interference-prone environments.