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Best Duplex Intercoms

Aiphone IE-2AD Chime Tone Single- or Double-Door Intercom System Master Handset with Door Release Button, Supports up to Two Sub-Master Handsets

  • Master handset for single or double-door intercom system works with door intercoms and sub-master handsets (sold separately) to enable audio communication with visitors prior to authorizing access.
  • Handset accepts up to two sub-master handset connections to extend coverage to multiple rooms or over large areas.
  • Slim handset provides privacy when communicating with the door intercoms and with connected sub-master handsets.
  • Door release button controls an electric strike (sold separately) to remotely unlock the entrance for a visitor.
  • Two- or four-tone chime with adjustable volume and LED indicator alert the master intercom operator to a visitor call.
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Wuloo Intercoms Wireless for Home 5280 Feet Range 10 Channel 3 Code, Wireless Intercom System for Home House Business Office, Room to Room Intercom, Home Communication System (6 Packs, Black)

  • [ Excellent Signal ] Clear sound quality and long range. An enhanced signal with 5280 feet range helps ensure crisp sound quality. The most trusted wireless intercom system for home!.
  • [ 10 Channel and 3 Digital Code ] 10 channels and 3 digital codes in a secure wireless intercom system. Features an enhanced anti-interference and can work with other intercoms with the same digital channel code!.
  • [ 100% Satisfaction ] Love it or your money back! We provide a lifetime service for our intercom. Please feel free to contact us if you have any questions or concerns about your purchase..
  • [ Easy to Use with Detailed Manual ] Features include Monitor, Talk, VOX (Voice Operated Exchange), Group, and Calling function. Increase/lower volume too! This intercom system is easier to use than others with user-friendly multi-functions and included step-by-step instructions!.
  • [ Supported by Power Bank for Outdoor ] This device is compatible with Power Bank (5V 1A) making it easy to take these intercoms any place you want..
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Wuloo Intercoms Wireless for Home 1 Mile (5280 Feet) Range 10 - Channel, Wireless Intercom System for Home House Business Office, Room to Room Intercom, Home Communication System (2 Packs, Black)

  • [ Excellent Signal ] Clear sound quality and long range. An enhanced signal with 5280 feet range helps ensure crisp sound quality. The most trusted wireless intercom system for home!.
  • [ 10 Channel and 3 Digital Code ] 10 channels and 3 digital codes in a secure wireless intercom system. Features an enhanced anti-interference and can work with other intercoms with the same digital channel code!.
  • [ 100% Satisfaction Guaranteed ] Love it or your money back! We provide a lifetime warranty for our intercom. Please feel free to contact us if you have any questions or concerns about your purchase..
  • [ Easy to Use with Detailed Manual ] Features include Monitor, Talk, VOX (Voice Operated Exchange), Group, and Calling function. Increase/lower volume too! This intercom system is easier to use than others with user-friendly multi-functions and included step-by-step instructions!.
  • [ Supported by Power Bank for Outdoor ] This device is compatible with Power Bank (5V 1A) making it easy to take these intercoms any place you want..
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Wuloo Intercoms Wireless for Home 1 Mile Range 22 Channel 100 Digital Code Display Screen, Wireless Intercom System for Home House Business Office, Room to Room Intercom Communication (6 Packs, Black)

  • [ Excellent Signal ] Clear sound quality and long range. An enhanced signal with 5280 feet range helps ensure crisp sound quality. The most trusted wireless intercom system for home!.
  • [ 22 Channel and 100 Digital Code] 22 channels and 100 digital codes in a secure wireless intercom system. Features an enhanced anti-interference and can work with other intercoms with the same digital channel code!.
  • [ 100% Satisfaction ] Love it or your money back! We provide a lifetime service for our intercom. Please feel free to contact us if you have any questions or concerns about your purchase..
  • [ Easy to Use with Detailed Manual ] Features include Monitor, Talk, VOX (Voice Operated Exchange), Group, and Calling function. Increase/lower volume, power switch, display screen too! This intercom system is easier to use than others with user-friendly multi-functions and included step-by-step instructions!.
  • [ Supported by Power Bank for Outdoor ] This device is compatible with Power Bank (5V 1A) making it easy to take these intercoms any place you want..
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Wuloo Intercoms Wireless for Home 5280 Feet Range 10 Channel 3 Code, Wireless Intercom System for Home House Business Office, Room to Room Intercom, Home Communication System (4 Packs, White)

  • [ Excellent Signal ] Clear sound quality and long range. An enhanced signal with 5280 feet range helps ensure crisp sound quality. The most trusted wireless intercom system for home!.
  • [ 10 Channel and 3 Digital Code ] 10 channels and 3 digital codes in a secure wireless intercom system. Features an enhanced anti-interference and can work with other intercoms with the same digital channel code!.
  • [ 100% Satisfaction ] Love it or your money back! We provide a lifetime service for our intercom. Please feel free to contact us if you have any questions or concerns about your purchase..
  • [ Easy to Use with Detailed Manual ] Features include Monitor, Talk, VOX (Voice Operated Exchange), Group, and Calling function. Increase/lower volume too! This intercom system is easier to use than others with user-friendly multi-functions and included step-by-step instructions!.
  • [ Supported by Power Bank for Outdoor ] This device is compatible with Power Bank (5V 1A) making it easy to take these intercoms any place you want. Besides, it designed with back hole for wall mounting..
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Wuloo Intercoms Wireless for Home 1 Mile Range 22 Channel 100 Digital Code Display Screen, Wireless Intercom System for Home House Business Office, Room to Room Intercom Communication(3Stations Black)

  • [Excellent Signal] Clear sound quality and long range. An enhanced signal with 5280 feet range helps ensure crisp sound quality. The most trusted wireless intercom system for home!.
  • [22 Channel and 100 Digital Code] 22 channels and 100 digital codes in a secure wireless intercom system. Features an enhanced anti-interference and can work with other intercoms with the same digital channel code!.
  • [100% Satisfaction] Love it or your money back! We provide a lifetime service for our intercom. Please feel free to contact us if you have any questions or concerns about your purchase..
  • [Easy to Use with Detailed Manual] Features include Monitor, Talk, VOX, Group, and Calling function. Adjustable volume, power switch, display screen too! This intercom system is easier to use than others with user-friendly and step-by-step manual!.
  • [Supported by Power Bank for Outdoor] This device is compatible with Power Bank (5V 1A) making it easy to take these intercoms any place you want. Besides, it designed with back hole for wall mounting..
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Wuloo Intercoms Wireless for Home 1 Mile Range 22 Channel 100 Digital Code Display Screen, Wireless Intercom System for Home House Business Office, Room to Room Intercom Communication(2Station, White)

  • [ Excellent Signal ] Clear sound quality and long range. An enhanced signal with 5280 feet range helps ensure crisp sound quality. The most trusted wireless intercom system for home!.
  • [ 22 Channel and 100 Digital Code] 22 channels and 100 digital codes in a secure wireless intercom system. Features an enhanced anti-interference and can work with other intercoms with the same digital channel code!.
  • [ 100% Satisfaction ] Love it or your money back! We provide a lifetime service for our intercom. Please feel free to contact us if you have any questions or concerns about your purchase..
  • [ Easy to Use with Detailed Manual ] Features include Monitor, Talk, VOX (Voice Operated Exchange), Group, and Calling function. Increase/lower volume, power switch, display screen too! This intercom system is easier to use than others with user-friendly multi-functions and included step-by-step instructions!.
  • [ Supported by Power Bank for Outdoor ] This device is compatible with Power Bank (5V 1A) making it easy to take these intercoms any place you want. Besides, it designed with back hole for wall mounting..
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Wuloo Intercoms Wireless for Home 5280 Feet Range 10 Channel 3 Code Wireless Intercom System for Home House Business Office Room to Room Intercom Home Communication System 4 Packs Black

  • [ Excellent Signal ] Home intercom system with clear sound quality and long range. An enhanced signal with 5280 feet range helps ensure crisp sound quality. The most trusted wireless intercom system for home!.
  • [ 10 Channel and 3 Digital Code ] 10 channels and 3 digital codes in a secure wireless home intercom system. Features an enhanced anti-interference and can work with other intercoms with the same digital channel code!.
  • [ 100% Satisfaction ] Love it or your money back! We provide a lifetime service for Wuloo home intercom system. Please feel free to contact us if you have any questions or concerns about your purchase..
  • [ Easy to Use with Detailed Manual ] This home intercom system have features include Monitor, Talk, VOX (Voice Operated Exchange), Group, and Calling function. Increase/lower volume too! This intercom system is easier to use than others with user-friendly multi-functions and included step-by-step instructions!.
  • [ Supported by Power Bank for Outdoor ] This home intercom system is compatible with Power Bank (5V 1A) making it easy to take these intercoms any place you want. Besides, it designed with back hole for wall mounting..
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Chunhee Wireless Intercom System for Elderly/Kids, Home Intercom System Room to Room Communication, 1.5 Miles Long Range 16 Channel Intercom System for Home/Office/Camping/Hiking/Vacation(4 Pack)

  • [ Application scenario ] This wireless intercom system can use in a wide range, making them ideal for hotels, restaurants, shopping malls, warehouses, family service, security, school service.
  • [ Home Intercom system ] 16 channels secure wireless intercom system. Features an enhanced anti-interference and can work with other intercoms with the same digital channel code! 17mm ultra-thin home intercom, Mini fuselage, Small and exquisite, Crystal Voice, Long Range, Easily Communicate..
  • [ Excellent Signal ] Clear sound quality and long-range. An enhanced signal with a 6000 feet range helps ensure crisp sound quality. The most trusted wireless intercom system for home!.
  • [ USB Charging ] Special USB charging way so that you can charge it on the computer, mobile power, or on the car with USB plug, you will don’t worry about the battery will run out when you taking outdoor activity. It easy to take these intercoms any place you want..
  • [ Easy to Use with Detailed Manual ] Features include Monitor, Talk, VOX (Voice Operated Exchange), Group, and Calling function. Increase/lower volume, power switch. This intercom system is easier to use than others with user-friendly multi-functions and included step-by-step instructions!.
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TRENDnet 8-Port 10G Switch, 8 x 10G RJ-45 Ports, 160Gbps Switching Capacity Rack mountable, 10 Gigabit Network Connections, Lifetime Protection, Black, TEG-S708

  • DEVICE INTERFACE: 8 x 10GBASE-T Ports (100Mbps/1Gbps/2.5Gbps/5Gbps/10G).
  • 10 GIGABIT PORTS: This 8-port 10G switch offers eight 10G ports with 160Gbps switching capacity for high-speed network connections providing a cost-effective solution in adding 10G link capability..
  • 2.5/5G SUPPORT: The network switch supports 2.5G/5GBASE-T RJ-45 multi-gigabit speeds capable of up to 2.5Gbps or 5Gbps over existing Cat5e or better cabling..
  • DATA TRANSFER RATE: Ethernet: 10 Mbps (half duplex).
  • RACK MOUNTABLE DESIGN: The sturdy metal 10G Ethernet Switch has a rack mountable design for greater installation flexibility..
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Yealink Teams Certified Speakerphone Wireless Bluetooth Speaker with Full Duplex Microphone for Conference Meeting CP700 CP900 Noise Reduction Home Office 360° Voice Pickup

  • FULL-DUPLEX SPEAKERPHONE: What’s the Difference Between Half Duplex and Full Duplex ？ a full duplex speakerphone setup allows multiple users to communicate simultaneously，a half duplex system only allows one party to speak at any given time. Just like a walkie-talkie. Yealink CP700&CP900 support built-in full-duplex microphone . so calls sound their best on both ends compare with half duplex speakerphone of another brand in the market ..
  • SPEAK SMOOTH & HEAR CLEAR：More than 2,000,000 users have a good conference experience with YEALINK, Redefine Your Workspace. 2 built-in noise-canceling microphones of YEALINK Bluetooth speakerphone set in a 360° array realize voice pickup could work for a business conference room of 6.5 feet*6.5 feet, and full-duplex audio solution ensures accessible and clearly meeting experience..
  • SIMPLE SETUP & STABLE CONNECTION---YEALINK conference speakerphone could be connected via USB, Bluetooth, dongle without any extra IT required or drivers. Not only connect YEALINK conference speaker in Windows, macOS, plugging USB, but also smartphone, iPad, Samsung S7+ tablet work well by Bluetooth. YEALINK speaker and microphone for computer also have been Certified by Zoom, Microsoft Teams, whatsapp, Skype, etc.
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TRENDnet 24-Port Gigabit Switch, TEG-S25, 24 x Gigabit RJ-45 Ports, 48Gbps Switching Capacity, Fanless Design, Metal Enclosure, Internal Power Supply, Lifetime Protection, Black

  • DEVICE INTERFACE: 24 x Gigabit RJ-45 ports.
  • SWITCHING CAPACITY: This 24-port gigabit switch has a 48Gbps switching capacity with a forwarding rate of 35.71Mpps (64-byte packet size).
  • DATA TRANSFER RATE: Ethernet: 10 Mbps (half duplex).
  • KMOUNT DESIGN: Sturdy metal housing with rackmount brackets included for greater installation flexibility and well suited for 19” 1U rack installations.
  • FANLESS DESIGN: The network swich fanless design lowers energy consumption and eliminates operating noise..
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Panasonic KV S2087 Sheetfed Document Scanner, 600 dpi Optical/1200 dpi Interpolated, Up to 85 ppm Simplex/Up to 170 ipm Duplex Speed, Up to 200 Sheets Feed Tray

  • Panasonic KV S2087 Sheetfed Document Scanner - Quick Installation Guide - Power Cord - USB Cable - CD-ROM - Panasonic 3 Year Warranty.
  • Scanning Method: Color CIS (600 dpi) / Black or White Background.
  • Scanning Resolution: 100 - 600 dpi (1 dpi step)1200 dpi (Interpolated)Optical: 300 dpi / 600 dpi (Automatic switch).
  • Scanning Speed: Binary Speed Portrait (200 / 300 dpi):Letter:Simplex: 85 ppm.
  • Duplex: 170 ipmColor Speed Portrait (200 / 300 dpi):Letter:Simplex: 85 ppm.
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