Experience reliable and long-distance wireless AV transmission with this advanced 2.4GHz Wireless AV Transmitter and Receiver System. Operating in the 2.4GHz ISM frequency band, this system supports multiple selectable channels to effectively prevent wireless interference, ensuring clear and stable audio and video signals for your AV output devices such as DVD players, DVRs, and IPTV systems. Key Features: · 2.4GHz ISM Frequency Band: Utilizes a widely accepted frequency band with multiple selectable channels, allowing you to avoid signal interference and maintain smooth transmission. · High-Efficiency Power Amplifier Circuit: Equipped with a specialized power amplifier tube that delivers high working efficiency, producing clear and stable receiving images and extended transmission distances. · Long Wireless Transmission Distance: Achieves up to 500 meters transmission distance without obstacles and approximately 3 kilometers in open fields; with a 24dB antenna, transmission can reach up to 5 kilometers, ideal for extensive AV setups. · Multiple Channel Support: Supports 4 standard channels with the capability to extend up to 8 channels via frequency extension, providing flexible options to minimize interference from other wireless devices. · Wide Compatibility: Compatible with PAL and NTSC video systems and supports stereo audio transmission, making it suitable for a variety of AV output devices including DVD players, DVRs, and IPTV. · Plug and Play Operation: No software installation required, enabling simple and convenient setup for immediate use. · Compact and Portable Design: With dimensions of approximately 91 x 66 x 27mm and a lightweight build of 839g, this system is easy to install and transport. Specifications: · Frequency Band: 2.4GHz · Working Frequency Range: 2414MHz–2468MHz (Standard) · Extended Frequency Range: 2370MHz–2510MHz · Channels: 4 (extendable to 8) · Transmitter/Receiver Power: 3W · Transmission Distance: Approx. 3KM (open field), Approx. 5KM (with 24dB antenna, open field) · Compatibility: AV output devices such as DVD, DVR, IPTV, etc. · Color: Black · Size: Approx. 91 x 66 x 27mm (3.58 x 2.60 x 1.06 inches) · Weight: 839g Package Includes: · 1 x Transmitter · 1 x Receiver · 2 x Power Adapters · 2 x AV Connection Cables · 1 x User Manual Note: The receiver and transmitter must be connected to antennas before powering on. The product may be shipped with either the new or old version randomly. Please consider this before ordering. This wireless AV transmission system offers an efficient and interference-resistant solution for transmitting high-quality audio and video signals over long distances, making it an excellent choice for home entertainment, surveillance, and professional AV setups.