Best Communication Testing

KEYESTUDIO Microbit Sensor Breakout Board V2 I2C SPI Micro USB for BBC Micro:bit

• Particularly design this keyestudio sensor expansion board V2 for micro:bit. breaks out all the PIO ports on the micro:bit control board into 3PIN interface (GND, VCC, Signal), easy to connect it with other sensor modules..
• Extending some commonly-used serial communication interfaces into pin or female headers with 2.54mm pin pitch, such as I2C and SPI communication pins.Allows communication between micro:bit control board and other communication devices..
• Two kinds method to power the micro:bit board, through a black DC jack (DC 7-9V) or a mciro USB port (DC 5V) on the shield..
• Connection Diagram, Sample Code, Using Method and Resources are provided in our wiki page. Technical support is available via email or message..
• Solder is very clean, everything is aligned nicely, all boards are well packed after function, voltage, current testing, protected in a beautiful box. Up to FCC and CE Standard: made from environmentally friendly components and materials..

Tricycle Dreams

• Precise timing of a single person moving from the starting point to the end point.
• Effective laser distance: 0-8m , Wireless communication distance: 500m.
• Rated voltage and current: 5V 2A , Please use qualified power bank（The device needs three power banks）.
• When testing at close range, please ensure that the laser sensor and the display screen are 2 meters or more away from each other to prevent co-channel crosstalk between the antennas and cause communication errors..
• Simple operation, plug the power cord into the USB port of the power bank, tap the reset button on the side of the screen for 1s to reset and start using.

Softalk 46625 Phone Line Cord 25-Feet Silver Landline Telephone Accessory, 25 Foot

• 【High quality】 Each telephone line was selected after careful selection and testing, and has reached high quality standards..
• 【Convenient connection】 The length commonly used in office, the phone can be placed 25 Ft away from the wall phone jack..
• 【Widely used】 The handset cord with standard RJ11 plug can be used for telephones, fax machines, modems, answering machines, etc..
• 【Smooth communication】 The copper core in the plug needle wire ensures signal transmission and smooth communication..
• 【Come with Cable Clips】 With 2 in-line couplers and 25 cable clamp holders, it is safer and more stable to use..

SPEED TECH Single Training Version Wireless Laser Timer Skating Track and Field Running for Sprints Bike Motorcycle Racing Infrared Induction Timing

• Precise timing of a single person moving from the starting point to the end point.
• Effective laser distance: 0-8m , Wireless communication distance: 500m.
• Rated voltage and current: 5V 2A , Please use qualified power bank（The device needs three power banks）.
• When testing at close range, please ensure that the laser sensor and the display screen are 2 meters or more away from each other to prevent co-channel crosstalk between the antennas and cause communication errors..
• Simple operation, plug the power cord into the USB port of the power bank, tap the reset button on the side of the screen for 1s to reset and start using.

Riiai 2in1 Network Cable Tester & Digital Multimeter, Multifunction Ethernet Wire Tracer with PoE & NCV & Lamp for CAT5 CAT6, Telephone Line Probe Toner Locator Finder Voltage Continuity Test Tool

• ...itioning. Real-time measurement of network cable length（up to 500M/1640ft), and built in short circuit protection. Quickly and easily identify the desired cable in large bundles. This unit is widely used in telephone systems, computer networks, BNC cables and other network cables. Perfect for security monitoring, communication wires, integrated wiring and other weak current systems..
• -【PoE Testing & Port Flashing】: The POE testing feature can check cable mapping polarity, voltage of POE network switches, withstand 60VDC, and locate network ports by the flashing the network light (blinks every 2 second) on hubs and switches. Automatically detects and switches between 10M/100M/1000M modes..
• -【Digital Multimeter Tester】: Capable of measuring AC voltage and current, resistance, continuity, diode testing, and temperature. With Stable performance, high precision, rock solid reliability, a crystal clear display, and overload protection. All of this in a 2-in-1 testing tool that is more convenient for you to use and carry with you!.
• -【Backlight LCD Display & Dual Flashlights 】 Features a large LCD display for ....

Inside Micrometer, 0-13mm Micrometer Flat/Ball Head for Fine-Tuning of Various Accuracy Instruments(Ball Head with Nut),Micrometer

• MEASUREMENT TOOL: Used for machine tools, fixtures and special measuring tools, etc..
• CONVENIENT TO USE: Accuracy design, high accuracy and easy to use..
• USED FOR: Suitable for fine-tuning of various accuracy instruments and measuring equipment..
• WIDELY APPLICATION: Suitable for LCD display production and testing equipment, positioning and loading of LCD prism cameras, optical fiber positioning, optical communication system products and testing equipment, etc..
• AFTER SALE: Please feel free to contact us at first if there is any problem,and we are always here to support you..

Hach 9385100 DR 900 Multiparameter Handheld Colorimeter

NKTECH VICI VC480C+ Digital Multimeter Multimetro Diagnostic-tool Tester 3 1/2 Milli-ohm Backlit Meter With 4 Wire Test and TL-1 Screwdriver

• (NKTECH VC480C+) Accurate measurement of conductor, electric heating elements and solder point.
• It is used widely in building lightning protection network, equalizing ring of glass curtain walls, and communication antenna..
• 4 wire testing, capable of testing extreme low resistance. Large LCD display for easy reading..
• High measurement range of 0.01mΩ to 2kΩ at 6 ranges. HOLD key for data hold..
• Backlit LCD for easy reading under dark light. Connection for external power supply..
• Strong anti-magnetic and anti-jamming functions. Full function protection..

Koss CS200i On-Ear Communication Headset, Boom Microphone, Wired with 3.5mm Plug, Black

• Double-Sided, D-Profile Design for the perfect fit and seal.
• Flexible, hands free electret noise-cancelling microphone.
• Ideal for: Conference calls, telephony, language learning software, listening labs, testing, gaming or hands free office/business communication. Works with Dragon Naturally Speaking..

1MORE Stylish True Wireless in-Ear Headphones with Microphone, Black, E1026BT-I-BLACK

• this refurbished product is tested and certified to look and work like new. the refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. the product ships with all relevant accessories, and may arrive in a generic box.
• Wireless communication technology: Bluetooth.
• Package Dimensions: 6.858 L x 16.764 H x 11.684 W (centimeters).

Nikon Coolpix S7000 Wi-Fi Digital Camera (Renewed)

• This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com.
• 20x optical zoom and 40x with Dynamic Fine Zoom.
• Target Finding AF for accurate, intelligent autofocus.
• Full HD 1080/60i videos with stereo sound.
• Built-in Wi-Fi and Near Field Communication.

ASUS 27” 1440P Video Conference Monitor (BE27ACSBK) - QHD (2560 x 1440), IPS, Built-in 2MP Webcam, Mic Array, Speakers, Eye Care, Wall Mountable, AI Noise-canceling, USB-C, HDMI, Zoom Certified

• Integrated Full HD webcam, mic array and stereo speakers for video conferencing and online learning.
• 27-inch WQHD(2560x1440) frameless IPS panel with wide viewing angles.
• ASUS AI Noise-Canceling Microphone offers crystal-clear voice communication.
• Zoom Certified monitor has undergone comprehensive testing and review processes to ensure seamless communication.
• Compatible with popular video conferencing applications such as Microsoft Teams, Cisco Webex and Google Meet.
• Rich Connectivity includes USB-C (Power delivery 80W), DisplayPort 1.2 x2 (Daisy Chain), HDMI(v1.4), and USB Hub (4 ports USB 3.0).
• What’s in the box: Power cord, HDMI cable, USB C-C cable, mini-PC clip, Warranty card, Quick Start Guide.
• Free 1-month Adobe Creative Cloud Subscription: Receive complimentary access with the purchase of this product (offer valid from 9/15/2021 to 9/15/2022).

1MORE Stylish True Wireless in-Ear Headphones with Microphone, Black, E1026BT-I-BLACK (Renewed)

• this refurbished product is tested and certified to look and work like new. the refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. the product ships with all relevant accessories, and may arrive in a generic box.
• Wireless communication technology: Bluetooth.
• Package Dimensions: 6.858 L x 16.764 H x 11.684 W (centimeters).