ReviewsFull Duplex Intercoms

TRENDnet 6-Port Fast Ethernet PoE+ Switch, 4 x Fast Ethernet PoE Ports, 2 x Fast Ethernet Ports, 60W PoE Budget, 1.2 Gbps Switch Capacity, Metal, Lifetime Protection, Black, TPE-S50

  • ETHERNET PORT INTERFACE 4 x Fast Ethernet PoE+ ports and 2 x Fast Ethernet ports.
  • POE POWER BUDGET & SWITCH CAPACITY: This PoE+ switch supports both PoE (802.3af) and PoE+ (802.3at) devices with a 60 W PoE power budget that delivers data and power over existing Ethernet cables to Power over Ethernet (PoE) devices such as access points, VoIP phones, and IP Cameras. The 6-port fast Ethernet PoE+ network switch provides 1.2 Gbps switching capacity to support edge network installations..
  • COMPACT FANLESS DESIGN With a compact and lightweight rugged metal housing design this desktop switch is well-suited for desktop installations Its fanless design is ideal for quiet environments that require silent operation.
  • DATA TRANSFER RATE Ethernet 10 Mbps (half duplex) 20 Mbps (full duplex) Fast Ethernet 100 Mbps (half duplex) 200 Mbps (full duplex).
  • OPERATING TEMPERATURE This 6-port fast Ethernet PoE+ network switch is rated with an operating temperature range of 0 – 40 °C (32 - 104 °F).
  • TRENDnet LIFETIME PROTECTION: All metal TRENDnet switches are backed by our lifetime TRENDnet Manufacturer Protection. Renewed or refurbished products come with a 90 day Amazon Renewed Guarantee..
Check Stock

Tonysa PCI Sound Card 4.1 Channel Computer Desktop Built-in Sound Card Internal Audio Card Stereo Surround CMI8738 Support Duplex Playback and Recording

  • MULTIPLE FUNCTION - This card supports music synthesizer, traditional sound card, and supportsfull duplex playback and recording..
  • WIDELY APPLICABLE - Support for 98 / for Windows2000 / XP / NT signal voltage (0.5V~5V)..
  • FOUR-CHANNEL STEREO SOUND - Support 4-channel surround sound output, support DLS sound library technology, support A3D 1.0 and DS3D, compatible with DirectSound 3D and EAX sound effects..
  • SUPPORT CMI/HT8738 CHIP - The chip's signal-to-noise ratio reaches 120dB, PCI plug-and-play interface-full duplex playback and recording-HRTF 3D spatial positioning sound effects, supports dircet sound 3D and A3D interfaces..
  • SUPPORT DIRECT MUSIC - SPDIF digital audio indicators: 24-bit stereo, 44KHzsound sampling recording and playback, 120dB sound quality full duplex playback recording..
Check Stock

TRENDnet 8-Port Gigabit GREENnet PoE+ Switch,TPE-TG44G, 4 x Gigabit PoE/PoE+ Up to 30 Watts/Port, 4 x Gigabit, 61W Power Budget, 16 Gbps Switch Capacity, Ethernet Unmanaged Switch, Lifetime Protection Black

  • ETHERNET PORT INTERFACE: 4 x Gigabit PoE / PoE+ ports (up to 30 Watts per PoE+ port), and 4 x Gigabit ports.
  • POE+ POWER BUDGET & SWITCH CAPACITY: The gigabit switch has a 61.6 W PoE power budget and eight gigabit ports provides a 16Gbps switching capacity to support edge network installations. The PoE+ standard supplies up to 30W of power per port for devices such as high power wireless access points, PTZ (Pan Tilt Zoom) Internet cameras, and VoIP telephony systems. Auto sensing technology delivers 30W to 802.3at PoE+ devices, 15.4W to 802.3af PoE devices, and only data to non-PoE devices.
  • COMPACT FANLESS DESIGN: With a compact and lightweight rugged metal housing design, this desktop switch is well-suited for desktop installations. Its fanless design is ideal for quiet environments that require silent operation.
  • DATA TRANSFER RATE: Ethernet: 10 Mbps (half duplex), 20 Mbps (full duplex), Fast Ethernet: 100 Mbps (half duplex), 200 Mbps (full duplex).
  • OPERATING TEMPERATURE: This 8-Port Gigabit PoE+ Ethernet switch is rated with an operating temperature range of 0 – 40 °C (32 - 104 °F).
Check Stock

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.
Check Stock

Grandstream DP750 DECT VoIP Base Station (Black)

  • 2 dual-color line keys (with 2 SIP accounts and up to 2 call appearances), 3 XML programmable context-sensitive soft keys, 8 BLF keys, 3-way conference, multi-language support.
  • Dual-switched Gigabit network ports, integrated PoE, HD wideband audio, full-duplex hands-free speakerphone with advanced acoustic echo cancellation, Electronic Hook Switch (EHS) with Plantronics headsets.
  • 132 x 48 pixel backlit graphical LCD display.
  • HD wideband audio, full-duplex hands-free speakerphone with advanced acoustic echo cancellation, Electronic Hook Switch (EHS) with Plantronics headsets.
  • Personalized music ring tone/ring back tone, and integration with advanced Web and enterprise applications, local weather service.
Check Stock

Dell Network Card 4 Port

  • Features Dual 10/100/1000BASE-T Ethernet ports / full-duplex/half-duplex MACs Ideal for high-performance network applications.
Check Stock

Cisco-Linksys EG005W Gigabit 5-Port Workgroup Switch

  • Compliant Standards - IEEE802.3, IEEE802.3u, IEEE802.3x, IEEE802.3ab.
  • Communication Mode - Half-duplex, full-duplex.
Check Stock

Grandstream GXP1628 Small to Medium Business HD IP Phone

  • 2 dual-color line keys (with 2 SIP accounts and up to 2 call appearances), 3 XML programmable context-sensitive soft keys, 8 BLF keys, 3-way conference, multi-language support.
  • Dual-switched Gigabit network ports, integrated PoE, HD wideband audio, full-duplex hands-free speakerphone with advanced acoustic echo cancellation, Electronic Hook Switch (EHS) with Plantronics headsets.
  • 132 x 48 pixel backlit graphical LCD display.
  • HD wideband audio, full-duplex hands-free speakerphone with advanced acoustic echo cancellation, Electronic Hook Switch (EHS) with Plantronics headsets.
  • Personalized music ring tone/ring back tone, and integration with advanced Web and enterprise applications, local weather service.
Check Stock

Sound Card, PCI Channel 4.1 Computer Desktop Internal Sound Card Audio Karte Stereo Surround

  • This sound card uses CMI/HT8738 chip. The chip's signaltonoise ratio reaches 120dB, PCI plugandplay interfacefull duplex playback and recordingHRTF 3D spatial positioning sound effects, supports dircet sound 3D and A3D interfaces..
  • Support for Windows 98 / for Windows2000 / XP / NT signal voltage (0.5V~5V)..
  • Support 4channel surround sound output, support DLS sound library technology, support A3D 1.0 and DS3D, compatible with DirectSound 3D and EAX sound effects. Supports 24bit SPDIF, OUT and SPDIF IN at the same time, and supports optical fiber input.
  • This card supports music synthesizer, traditional sound card, and supportsfull duplex playback and recording..
  • Support Direct Music SPDIF digital audio indicators: 24bit stereo, 44KHzsound sampling recording and playback, 120dB sound quality full duplex playback recording..
Check Stock

TP-Link 24-Port Gigabit Ethernet Unmanaged Switch | Plug and Play | Desktop/Rackmount | Fanless | Limited Lifetime (TL-SG1024D)

  • Innovative energy-efficient technology saves power up to 20%.
  • Supports IEEE 802.3x flow control for Full Duplex mode and backpressure for Half Duplex mode.
  • Non-blocking switching architecture that forwards and filters packets at full wire-speed for maximum throughput.
  • Supports MAC address auto-learning and auto-aging.
Check Stock

Duplex Wall Outlet Plate Decor Wallplate - Finding Nemo Dory

  • Add character to any room with this decorative wall outlet cover plate..
  • Full and brilliant UV-resistant graphics, easy to clean with a damp towel or sponge.
  • 1-Gang Duplex Receptacle Outlet Midway Size Wall Plate 3.18″x4.88″.
  • Comes with two matching graphics screw (not standard whtie screws).
  • Proudly made in the USA. Wall plate only, duplex outlet is not included..
Check Stock