Enhance your local CATV system with this reliable RF Modulator, designed to offer practical and cost-effective signal conversion solutions. Constructed with high-quality plastic material, this RF modulator ensures durability and long service life, delivering stable performance for your video transmission needs. Key Features: · Practical Application: Ideal for use in local CATV setups, providing convenience and cost savings while improving your television signal distribution. · Stable Performance: Operates within the VHF frequency range with PLL control, supporting HD input, A/V output, and RF output for clear and consistent signal quality. · Selectable Output Channels: Easily switch between channels CH3 (61.25 MHz) and CH4 (67.25 MHz) to suit your broadcasting requirements. · NTSC TV Format Support: Compatible with NTSC output format, ensuring seamless connection to standard televisions without the need for additional drivers. · User-Friendly Design: Portable and flexible plug-and-play setup makes installation quick and hassle-free, perfectly suited for both professional and home use. · Compact and Durable: Features an ergonomically designed, compact casing crafted from sturdy plastic material, combining aesthetic appeal with functional robustness. · Comprehensive Connectivity: Equipped with RCA female A/V connections and F female RF input/output connectors for versatile device compatibility. Specifications: · Item Type: RF Modulator · Material: High-Quality Plastic · TV Standard Format: NTSC · Frequency Range: CH3 = 61.25 MHz / CH4 = 67.25 MHz · Output Impedance: 75 Ohms · Output Level: 80±5 dBμV · Accompaniment System: M = 4.5 MHz · Video Input Impedance: 75 Ohms / 1k Ohms (Switchable) · Input Impedance: 13±3 k Ohms · TV to Antenna Input Loss (50–860 MHz): -6±2 dB · A/V Connection: RCA Female · RF Input/Output: F Female · Power Consumption: 5V DC, 500mA (min) · Operating Temperature: 0℃ to +40℃ Package Includes: · 1 x RF Modulator This RF Modulator is an essential tool for users seeking a reliable and efficient way to convert A/V signals into RF output with stable and clear transmission. Its durable construction, selectable channel output, and ease of use make it a versatile addition to any local CATV system or AV setup.