Welcome to our store! 1. Adjustable: Professional UHF modulator can be designed with adjustable audio or video output levels and optional output channels. 2. Frequency range: The RF modulator has a wide frequency range from 471.25 MHz to 885.25 MHz and is available in both formats. 3. Memory: The modulator can select the transmission frequency and the corresponding frequency display, and mix and jam in the built-in memory. 4. PCB circuit design: The TV link modulator adopts broadcast standard PCB circuit design to further improve stability and better image quality. 5. Compatible: Professional UHF modulator is used for RF output of SLX and TV link, compatible with set-top boxes and other A V sources. 6. Application: The modulator is suitable for hotels, supermarkets, sports cafes, bars, restaurants and many other places. Item Type: TV Link Modulator Material: ABS Frequency Range: 471.25MHz-885.25MHz TV Standard: PAL/NTSC Channel Range: UHF 21-69Ch Output Level: 85±5dBuV Audio System: M=4.5MHz, B/G=5.5MHz, I=6.0MHz, D/K=6.5MHz A/V Connector: RCA Female RF Output Impedance: 75Ω Video Input Impedance: 75Ω RF Input: F Female RF Output (DC Output): F Female (DC Output: 9VDC/100m / 109.4yd ) Factory Default Setting: Channel 21 (471.25MHz), PAL-B/G /38KHz Power Consumption: ≤1W 1 x Modulator 1 x USB Power Cable 1 x Signal Cable 2 x Double-sided Sticker Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.