Reviews Optical Communication Training System

Dell Optiplex 790 MT Core i3-2100 3.10GHZ 4GB 250GB Windows 7 PRO 64-BIT DVD-ROM

  • Optical Storage:DVD-ROM Optical Disc Drive.
  • Communication: Integrated Gigabit Ethernet Controller 10/100/1000.
  • Graphics: Integrated HD Video Controller.
  • Rear I/O Ports: 6 USB 2.0, 1 Audio In, 1 Audio Out, 1 Ethernet (RJ-45), 1 VGA, 1 DisplayPort, 1 Serial, 2 PS/2 Ports.
  • Audio: Integrated High Definition Audio Controller.
  • Front I/O Ports: 4 USB 2.0, 1 Headphone / Out, 1 Microphone / In.
  • Operating System: Windows 7 Professional 64-Bit Installed with Recovery Partition and Certificate Of Authenticity (COA).
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EZ-FIT New LC Fiber Optic LCUPC-5DB Optical Attenuator LC-UPC Fiber Attenuator 5dB Singlemode Fixed Fiber Optical Attenuator

  • [MAIN PARAMETER]: FC/UPC Female to FC/UPC Male.
  • [MATERIAL]: The core material of the adapter is ceramics..
  • [FEATURE]: To ensure the optical power stay in a stable level on its original transmission wave.High attenuation accuracy, low added loss and good stability..
  • [SPECIFICATION]: Bandwidth: 1260nm - 1640nm.
  • [APPLICATION]: Widely used in the fiber optic communication system, for example, optical instrument calibration or fiber signal attenuation..
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[2 Way Audio & 100 ft Night Vision] POE Security Camera System, 4K POE Camera System, Complete Surveillance Systems, 8pcs Hardwired Outdoor Cameras, 4K NVR Security Camera System for Businesses

  • ...Two-way Audio] With the poe security camera system, the built-in microphone and speaker on the poe cameras can achieve true two-way audio. They can record sounds within about 35ft (10 meters). The two-way audio function allows you to talk to the ones around the security camera anytime anywhere, for both family communication and threat deterrence..
  • [100ft Super Night Vision] With the poe camera system , the camera view at night can reach up to 100ft with 845nm Ultra 4pcs infrared 14-miu LED, which is double the distance of similar cameras, allowing for more areas to be covered by the cameras at night. The poe camera also features 3DNR noise reduction technology and SMART HDR function..
  • [Glass Lens with 4-layer Optical Coating] Our 4k security camera system utilizes a glass lens with four layers of optical coating, setting us apart from other cameras on the market that use plastic lenses. This advanced optical coating technology improves light transmission by up to 99%, reduces contrast sharpness, and ultimately results in superior image quality..
  • [Professional 6000V Lightning Protection Design] The nvr security camera s....
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Dell OptiPlex 790 USFF Core i5-2400s 2.5GHz 4GB 500GB CD/DVD-ROM WINDOWS 7 PRO 64-Bit

  • Front I/O Ports: 2 USB 2.0, 1 Headphone / Audio out, 1 Microphone / Audio In.
  • Operating System: Genuine Dell Windows 7 Professional 64-Bit Installed and Activated with Recovery Partition and Certificate of Authenticity.
  • Optical Storage: CD/DVD-ROM Slim Line Optical Disc Drive.
  • Rear I/O Ports: 5 USB 2.0, 1 DisplayPort, 1 VGA, 1 Audio Out, 1 Audio IN, 1 Serial, 1 Ethernet (RJ-45).
  • Graphics: Integrated Intel HD Video Controller.
  • Audio: Integrated Realtek High Definition Audio Controller.
  • Communication: Integrated Intel Gigabit Ethernet Controller 10/100/1000.
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XLBH Optical Fiber Accessories 5PCS/Bag FC UPC Female to Male 15dB Fiber Optic Attenuator FC UPC 15db Female Male Fiber Optic Attenuator Adapter Connector

  • FAST CONNECTION: Quick assembly SC connector can provide quick and easy termination of fibers in the field.
  • EXCELLENT PERFORMANCE: fiber optic adapter has good repeatability, stable performance, high success rate and high reliability.
  • AUXILIARY EQUIPMENT: The attenuator can effectively suppress loop noise, eliminate interference, and prevent accidental damage to the main control terminal.
  • WIDE APPLICATION: optic fiber quick connectors can be widely Used for fiber optical communication system,optical distribution frame (ODF), FTTH, CATV, etc.
  • CERAMIC FERRULE: optic fiber connector built in ceramic ferrule, low insertion loss, wear resistance and long service life.
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【5X Optical Zoom,2K】 Hiseeu Pan/Tilt/Zoom Security Camera,3 Megapixels Outdoor WiFi Surveillance Camera,Floodlights Full Color Night Vision,Two Way Audio,IP66 Waterproof, Motion Detection

  • ...ected, the camera will immediately push the alarm message to the mobile phone, and record everything within the detection range, so that you can clearly understand what happened at that time..
  • Two Way Audio&IP66 Waterproof: Built-in microphone and speaker,outdoor security camera supports real-time remote viewing and communication with family anytime and anywhere, which is convenient and fast. When you receive an alarm, you can scare off the intruder through two-way audio. Waterproof, cold resistant and pit hot, make the camera use longer. The best choice for outdoor monitoring..
  • Compatible With Hiseeu Wireless Camera System: 3MP WiFi camera not only use independently on mobile phone, but also work with wireless camera system. wireless system asin: B07719HQQS,B07T8ZDTTP,B07F32X3XZ, B097CWL11T,B07QM5996S..
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E-Collar Waterproof Remote Dog Trainer - ET-300 1/2 Mile Range for Medium or Long Coats and Thick Fur with PetsTEK Training Clicker and Extra Contact Prong Set (1

  • This is a bundle of 3 items: Mini Educator - ET-300,Extra Set of Contact Points for Long, Medium and Thick Undercoats and PetsTEK Dog Training Clicker Training Kit. Perfect for back yards, parks, competitions, police k-9 work, any types of hunting and large field training..
  • This training e-collar system has up to a half a mile range and fully waterproof with a remote that will float in the water. Using long contact points with thick and long furs will assure a constant communication with your pet..
  • Use with dogs that are 5 pounds and larger. Featuring 100 levels of static stimulation plus tone and vibration only modes. Momentary and Continuous buttons for personalized training. For neck sizes between 6 - 30 inches. Assembled and tested in the USA..
  • This is one of the best training collars where you will see great results in training your pet..
  • With help of the clicker, you can teach your dog new behaviors with positive reinforcement. Training clicker comes in assorted colors: black..
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Airsoft PJ Helmet Adjustable Fast Base Jump Helmet ABS Tactical Helmet for Paintball Wargame (Black)

  • 1.The airsoft helmet is NOT bullet-proof, CANNOT be used for military action, it’s made of acrylonitrile butadiene styrene plastic, high-duty and lightweight supports excellent performance in head bump protection, suitable for paintball wargame, CS game, field training, outdoor sports and so on..
  • 2.The Square holder right ahead was designed to fix corresponding/optical equipment which will connect communicator/optical device directly, significance of communicator/optical device increase day by day during military task. Therefore, it’s indispensable component for tactical helmet..
  • 3.Tactical rails locate on the left and right side of the helmet, it’s one of the most important components, rails will fix most of the tactical accessories like night-vision device/flash-light/communications headsets etc., provides excellent experience in gameplay..
  • 4.Innovation of fast helmet brings nylon magic tape on surface of helmet, magic tape will carry various of emblem, rescue flash-light and tactical accessories in lightweight and small size..
  • 5.Inside the helmet equips latest suspension system, you will find a very best position by adjusting OPS button, suspension system surround with memory foam lining make wear appropriate and comfortable. The Oval hole insid....
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Airsoft PJ Helmet Adjustable Fast Base Jump Helmet ABS Tactical Helmet for Paintball Wargame (Tan)…

  • 1.The airsoft helmet is NOT bullet-proof, CANNOT be used for military action, it’s made of acrylonitrile butadiene styrene plastic, high-duty and lightweight supports excellent performance in head bump protection, suitable for paintball wargame, CS game, field training, outdoor sports and so on..
  • 2.The Square holder right ahead was designed to fix corresponding/optical equipment which will connect communicator/optical device directly, significance of communicator/optical device increase day by day during military task. Therefore, it’s indispensable component for tactical helmet..
  • 3.Tactical rails locate on the left and right side of the helmet, it’s one of the most important components, rails will fix most of the tactical accessories like night-vision device/flash-light/communications headsets etc., provides excellent experience in gameplay..
  • 4.Innovation of fast helmet brings nylon magic tape on surface of helmet, magic tape will carry various of emblem, rescue flash-light and tactical accessories in lightweight and small size..
  • 5.Inside the helmet equips latest suspension s....
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