functions:obstacle test, independent ringing, calling user, matching line, monitoring and high-voltage protection. Based on common telephones, S-100 Telephone Line Checker adds other functions such as obstacle test, independent ringing, calling user, matching line, monitoring and...

1.optical amplifier,catv equipment 2.High-performance EDF 3.ISO9001,3C ensure high 1.       High-quality low-noise pump laser2.       High-performance EDF3.       Microprocessor inside and start...

Each product has feeding function and 50/60AC10A current passing can not cause loop saturation Features: 1)Low inserting loss and nice return loss to get minimum noise and distortion of net2)Field water-proof and electromagnetic shielding shell3)Each product has feeding function...

Low inserting loss and nice return loss to get minimum noise and distortion of net Features: 1)Low inserting loss and nice return loss to get minimum noise and distortion of net2)Field water-proof and electromagnetic shielding shell3)Each product has feeding function and 50/60AC10A...

1.15A/12A catv power supply,fiber optical power supply 2.Build-in RF signal combiner 3.ISO9001.3C ensure high quality  catv power supply Summary BEST POWER SUPPLY adoptes the flexible and stretchable high silicon steel sheet of ring transformer with width capability,...

1.catv equipment,fiber optical power supply 2.Build-in RF signal combiner 3.ISO9001.3C ensure high quality   Summary BEST POWER SUPPLY adoptes the flexible and stretchable high silicon steel sheet of ring transformer with width capability, high efficiency,...

1.catv equipment,fiber optical power supply 2.Build-in RF signal combiner 3.ISO9001.3C ensure high quality  catv power supply Summary BEST POWER SUPPLY adoptes the flexible and stretchable high silicon steel sheet of ring transformer with width capability, high...

1.catv equipment,optical power supply 2.Inset anti-thunder device 3.ISO9001,3C ensure high quality Summary: This is a standards concentrating power supply, having excellent features of water-proof, high-efficiency, high-stability, anti-radiation, heat-loss etc. And high-quality...

1.Build-in RF signal combiner 2.Adopted the flexible and stretchable high silicon steel sheet of ring transformer  Summary BEST POWER SUPPLY adoptes the flexible and stretchable high silicon steel sheet of ring transformer with width capability, high efficiency,...

1.catv equipment,fiber optical power supply 2.Build-in RF signal combiner 3.ISO9001.3C ensure high quality   Summary BEST POWER SUPPLY adoptes the flexible and stretchable high silicon steel sheet of ring transformer with width capability, high efficiency,...