We are Shenzhen Eastec Trading Co., Ltd. based in Shenzhen , China. We are member of Tradekey.com since January, 2010. Our business is related to Telecommunications industry and we specifically deal in CATV modulators, amplifiers, optical transmitters, nodes. Please find our product details below: E-203 IF Adjacent Modulator E-203 modulator is one economical model of intermediate frequency (IF) modulator elaborately manufactured by our company according to market characteristics in villages and towns. It is applicable to many channels, and features good sideband characteristic, and accurate PLL frequency. It is the modulator that costs almost as low as high frequency (HF) modulator, but gives extraordinarily excellent parameters of performance. Equipped with IF SAW filter, it maintains excellent vestigial sideband characteristic. With simple and optimized circuit design, it enjoys higher reliability. With CPU controlled PLL, its carrier frequency is accurate, stable. Video modulation depth, A/V ratio, audio deviation, RF level are all adjustable. E-203 IF Adjacent Modulator E-203 modulator is one economical model of intermediate frequency (IF) modulator elaborately manufactured by our company according to market characteristics in villages and towns. It is applicable to many channels, and features good sideband characteristic, and accurate PLL frequency. It is the modulator that costs almost as low as high frequency (HF) modulator, but gives extraordinarily excellent parameters of performance. Equipped with IF SAW filter, it maintains excellent vestigial sideband characteristic. With simple and optimized circuit design, it enjoys higher reliability. With CPU controlled PLL, its carrier frequency is accurate, stable. Video modulation depth, A/V ratio, audio deviation, RF level are all adjustable. Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.