Reviews Digital Wireless Communication

HiLetgo MEGA2560 ATmega2560-16AU Sensor Shield Sensor Expansion Board V2.0 with Bluetooth SD Card APC220 Wireless RF Ultrasonic Sensor Communication Interface

  • This MEGA Sensor Shield V2.0 dedicated sensor expansion board assembly market a variety of advantages in one of the expansion board design, PCB Immersion Gold processing technology..
  • Board not only all digital and analog interface to the steering gear line order form extended out, but also ad hoc Bluetooth module communication interface, SD card module communication interface, APC220 wireless RF module communication interface, and RB URF v1.1 ultrasonic sensor interface, independent expansion a more easy and convenient..
  • For beginners, do not have to worry about cumbersome and complex circuit connection, will simplify this circuit sensor expansion board in the true sense, it can often be easily connected with the sensor..
  • A sensor requires only a general 3P sensor cable (regardless of digital cable and analog cable), complete the circuit connection, the preparation of the corresponding program downloaded to MEGA controller reads the sensor data, or receive wireless module back pass data through the arithmetic processing, the final easy to complete your own interactive works..
  • Sensor Shield allows you to connect to various modules like sensors, servos, relays, buttons, potentiometers..
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Intercoms Wireless for Home [Upgraded 2022] Hand Free 4921 Feet Range Intercom Real Time, Two Way Communication Home Intercom System with Group Call Full Duplex Intercom for Office Hotel House(4 Pack)

  • 【OWNZNN Intercom】Upgraded 2022 home intercom system is as easy and fast as your mobile phone. Intercom Effortlessly connects and converses hands-free, with no need to hold down a button to talk, which communication range is about 4,921 feet. For your convenience, we pre-installed intercoms wireless for home so that it works right out of the box..
  • 【Technical Innovation】Home intercom system has passed FCC certification. OWNZNN intercom has 18 channels and 2 secret digital codes, which uses high-fidelity processing technology to provide crystal clear sound and avoid interference. Wireless intercom system for home guarantees a superior experience and makes your communication more stable and confidential..
  • 【Multi-Function Intercom】Intercoms Wireless for Home has 5 main functions: Full Duplex Monitor, Good Range, Clear Sound, Hands-free, and Group call to meet your different communication requirements in different situations. Group function (conference call) can call all the stations in the portable intercom. Home intercom system wireless can real-time two-way communication, which is convenient for business offices and hotel front desks..
  • 【Wide Using Range】Home intercom system wireless transmission at a safe frequency will not interfere with o....
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The Voice of the Crystal

  • Compact, ergonomic over-ear headphones. Connectivity Technology: Wireless.Frequency response 17 – 22,000 Hz.
  • Bass boost and surround sound listening modes. Maximum sound pressure level: 114 dB at 1kHz, 3 percentage THD. THD, total harmonic distortion: .
  • Digital wireless technology ensures that signal transmission remains clear and accurate.
  • Wireless communication technology: Kleer.
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Hosmart 1/2 Mile Long Range 7-Channel Security Wireless Intercom System for Home or Office New version [1 Stations Black]

  • The Hosmart Advantage: 30 + years of wireless intercom home system technology produced by our leading factory.Pass Safety Certification and Lifetime....
  • Long Range and Multi-Channel: 2017 new release 1/2 mile long range (in ideal situations) 7 channel secure wireless intercom system. It integrates the....
  • Individually Function and Easy Using: Powerful and Individually Function, Monitor, Talk, VOX(Voice Operated Exchange), Group call function. Monitor....
  • Voice Crystal Clear and Secure Digital Communication: Duo to anti-interference signal technology and secret digital channel, the wireless intercom....
  • Wide Using Range and Support by Power Bank: This wireless intercom system can use in a wide rang, home, office, outdoor etc. It can support by power....
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BOSS Audio Systems 656BCK Car Stereo Package - Single Din, Bluetooth, CD MP3 USB AM FM Radio, 6.5 Inch 2 Way Full Range Speakers, Black

  • 508UAB Receiver Plays Bluetooth, CD / USB / MP3, AM/FM Radio, Digital MEDIA from Smart Phones.
  • 508UAB has 50 Watts x 4 Max Power and Preset built-in EQ.
  • One Pair of CK65 6.5" 2-Way Speakers with Poly Cone Woofer and Foam Surround.
  • 250 Watts MAX, 180 Watts RMS Power Handling per Pair of Speakers.
  • Wireless Communication Technology: Am/Fmbluetoothir.
  • Included Components: 508Uab Receiver, One Pair Of Ck65 Speakers With Grills, Wireless Remote, Boss Hardware, Boss Harness, User Manual, Warranty Card.
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Motorola MBP845CONNECT 5

  • Wireless Technology: 2.4 GHz FHSS (for Local Viewing) Wireless Connectivity (for Remote Viewing) – Requires wireless connection to the internet and acompatible viewing device..
  • 5-Inch Diagonal Color Screen with Digital Zoom, Two-Way Communication, Room Temperature Display, Infrared Night Vision, and High Sensitivity Microphone.
  • Ergonomic Parent Unit, up to 1000ft Range with Out-of-Range and Low Battery Alerts and frequency range 2.4GHz to 2.48 GHz.
  • Additional Features with Hubble Connected – View on Compatible Smartphones, Tablets, and Computers. Sound, Motion, and Temperature Notifications..
  • Motorola is America’s #1 baby monitor brand in America (2017 revenue data)..
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Wireless Intercom System Hosmart 1/2 Mile Long Range 7-Channel Security Wireless Intercom System for Home or Office New Version [2 Stations Black]

  • The Hosmart Advantage: 30 + years of wireless intercom home system technology produced by our leading factory.Pass Safety Certification and Lifetime....
  • Long Range and Multi-Channel: New release 1/2 mile long range (in ideal situations) 7 channel secure wireless intercom system. It integrates the....
  • Individually Function and Easy Using: Powerful and Individually Function, Monitor, Talk, VOX(Voice Operated Exchange), Group call function. Monitor....
  • Voice Crystal Clear and Secure Digital Communication: Duo to anti-interference signal technology and secret digital channel, the wireless intercom....
  • Wide Using Range and Support by Power Bank: This wireless intercom system can use in a wide range, homes, offices, etc. It can support by a power bank....
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Telephone Intercom, 433Mhz Wireless Intercom System Calling Intercom Secure Interphone Handsets Extendable for Warehouse Office

  • Wireless Intercom System: Door Phone Intercom System, no telephone wires needed, built-in rechargeable battery, works with or without electricity power, standby time 30 days. Save your phone bills..
  • Plug & Play: Simple to use. Can be placed on desk or mounted on any surface, horizontally on wall surface or vertically on any flat surface..
  • Barrier Free: Clear two way communication and has an impressive 100 meters within building and 500 meters in the open field without barrier and long distance reception transmission..
  • High Performance: Clear Voice and Secure Digital Communication. 433MHz working frequency, anti-interference signal..
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Hosmart 1/2 Mile Range 10-Channel Intercom System for Home or Office Plug-and-Play Intercom Easy to Use with Clear Sound Without Yelling [2020 New Version]

  • The Hosmart Advantage: 30 + years of wireless intercom home system technology produced by our leading factory.Pass Safety Certification and Lifetime....
  • Long Range and Multi-Channel: 2020 new release 1/2 mile long range (in ideal situations) 10 channel secure wireless intercom system. It integrates the....
  • Individually Function and Easy Using: Powerful and Individually Function, Monitor, Talk, Group call function. The monitor function can monitor 10....
  • Voice Crystal Clear and Secure Digital Communication: Duo to anti-interference signal technology and secret digital channel, the wireless intercom....
  • Wide Using Range and Support by Power Bank: This wireless intercom system can use in a wide range, home, office, outdoor, etc. It can support by a....
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Hosmart 1/2 Mile Range 10-Channel Intercom System for Home or Office Plug-and-Play Intercom Easy to Use with Clear Sound Without Yelling [2020 New Version]

  • The Hosmart Advantage: 30 + years of wireless intercom home system technology produced by our leading factory.Pass Safety Certification and Lifetime....
  • Long Range and Multi-Channel: 2020 new release 1/2 mile long range (in ideal situations) 10 channel secure wireless intercom system. It integrates the....
  • Individually Function and Easy Using: Powerful and Individually Function, Monitor, Talk, Group call function. The monitor function can monitor 10....
  • Voice Crystal Clear and Secure Digital Communication: Duo to anti-interference signal technology and secret digital channel, the wireless intercom....
  • Wide Using Range and Support by Power Bank: This wireless intercom system can use in a wide range, home, office, outdoor, etc. It can support by a....
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