1.Signal transmission smooth,one year guarantee. 2.Free shipping charge for exchange goods. 3. Low cost because of manufacture CATV Bidirectional Trunk Amplifiers: CATV products OEM/ODM Service Best Price as well as technical support CATV Bidirectional Trunk Amplifiers Model No: HKTFD-003Specifications1GHz working platform, high output, low distortion, excellent flatness in bandUse high quality ...