1. Digital FM transmitter, supporting 76-108MHz frequency band, with 320 selectable frequencies. 2. Output power of 0.5W (500mW), with a measured transmission distance of up to 2 kilometers in open areas. 3. Equipped with LCD display screen, real-time display of current transmission frequency, intuitive operation. 4. Supports audio stereo input, with a signal-to-noise ratio of 63dB and clear and stable sound quality. Receiving device: A regular radio that can receive FM broadcasts can receive the signal emitted by this transmitter well. Display mode: LCD display, displaying the current transmission frequency. Please refer to the manual for details. Attached is the FM transmission antenna production data. It has been tested that this transmitter can reach a distance of 2000 meters in open areas.<br><br>Parameter: Interface: USB Type-C Supply voltage: 5V Power supply current: 500mA Input signal: Audio stereo, 3.5mm interface standard Signal to noise ratio: 63dB 0.05% Output frequency: adjustable frequency, working range 76-108MHz, 1MHz or 0.1MHz step, a total of 320 transmission frequencies, with memory function. Output power: 10~500mW (0.01~0.5W) @ 88-108MHz. Note: 1. This is a transmitter, a transmitter, not a radio! 2. This transmitter cannot be directly plugged into a microphone as it does not support microphone input! 3. The transmitter does not have a battery inside and requires external power supply. 4. This is a transmitter and cannot be used to enhance radio signals. If you want to enhance the signal, please buy an outdoor antenna or antenna amplifier. 5. The transmitter socket buttons and other areas that require repeated force have been manually welded to prevent drops caused by excessive force. Color: Black Material: Metal<br><br>Package Contents: 1X host 1X rod antenna 1X power cord 1X audio cable<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.