I need a lightweight COFDM transmitter and receiver system with integrated microphone, Kamera, and speaker; it should have a range of 500 meters NLOS and 1 kilometer LOS.
Is your camera installed on the transmitter? Are the headphones and microphone installed on the receiver or are they both required? Can you tell me about your application scenario? If it is used on a ground robot, I recommend our 1935 Modell. Many firefighting robots in China use this transmission system. If it is worn on the body, it is best to equip it with a battery. I recommend the 1962 portable handheld model.
I need weight under 200-300 gramm, body wear.
This weight is only about the same as the transceiver, and you need to install an additional antenna, microphone, and camera, which will definitely exceed your expected weight.
If you can only receive this weight, you can consider using a mobile phone directly.
A COFDM transceiver with an integrated microphone, Kamera, and speaker is essentially a multifunctional digital communication device that combines advanced data transmission with real-time audio and video capabilities. Here’s a breakdown of the key components:
COFDM Transceiver
- COFDM (Coded Orthogonal Frequency-Division Multiplexing):
This is a modulation technique used to transmit digital data over radio waves. It divides the signal into several narrowband channels at different frequencies, which makes it highly resistant to interference and multipath fading. This is why COFDM is commonly used in digital television broadcasting, radio communications, and other wireless applications. - Transceiver Functionality:
A transceiver is a device that both transmits and receives signals. An dësem Fall, it uses the COFDM modulation scheme to handle robust digital communications.
Integrated Multimedia Features
- Mikrofon:
Allows for capturing audio, which can be transmitted alongside data. This is useful for voice communication or audio recording in real-time applications. - Kamera:
Provides video capture capabilities. With integrated video, the device can support video conferencing, Iwwerschafter, or remote monitoring. - Spriecher:
Enables audio playback, meaning the device can output sound such as voice or other audio signals. This is essential for two-way communication.
Use Cases and Applications
- Secure and Robust Communication:
The combination of COFDM’s robust transmission properties and integrated multimedia features makes these devices suitable for secure communication in environments with high interference or where reliable connectivity is crucial. - Remote Monitoring and Surveillance:
With a built-in camera and microphone, the device can capture and transmit live video and audio, making it ideal for surveillance or remote monitoring systems. - Multimedia Conferencing:
Integrated audio and video components enable the device to support real-time interactive communication, which can be used in conferencing systems, field communication in security forces, or emergency response teams.
Zesummefaassend, such a device merges the benefits of a COFDM transceiver—ensuring reliable and interference-resistant digital communication—with the convenience of built-in multimedia hardware. This allows for a compact solution that can transmit not only data but also audio and video, broadening its application range in various communication and monitoring scenarios.

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