Top Full duplex Dual port Design Reviews

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.

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TRENDnet 24-Port Gigabit Desktop Switch, TEG-S25D, 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).
DESKTOP DESIGN: Sturdy metal housing for greater installation flexibility and well-suited for desktop installations. Rackmount brackets are also included for easy installation with 1U rack installations.
FANLESS DESIGN: The network swich fanless design lowers energy consumption and eliminates operating noise.

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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.

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TRENDnet 5-Port Gigabit PoE+ Switch 31 W PoE Budget 10 Gbps Switching Capacity Data & Power Through Ethernet To PoE Access Points And IP Cameras Full & Half Duplex Black TPE-TG50g

ETHERNET PORT CONFIGURATION: 4 Gigabit PoE+ ports and 1 Gigabit port with LED indicators, provides a 10Gbps switching capacity to support edge network installations..
DESKTOP DESIGN: With a compact and lightweight metal housing design, this Ethernet switch is well-suited for desktop installations..
PoE+ POWER: A 31W PoE power budget supplies up to four Power over Ethernet devices. TPE-TG50g, delivers data and power over existing Ethernet cables to Power over Ethernet (PoE) devices such as access points and IP cameras..
PLUG-AND-PLAY: Simply power up the switch and plug in connected devices. No software to install or configuration needed..
DATA TRANSFER RATE: Ethernet: 10Mbps (half duplex), 20Mbps (full duplex) Fast Ethernet: 100Mbps (half duplex), 200Mbps (full duplex) Gigabit: 2000Mbps (full duplex).

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Dell Network Card 4 Port

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

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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).

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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..

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TRENDnet 8-Port GREENnet Gigabit PoE+ Switch, Supports PoE and PoE+ Devices, 61W PoE Budget, 16Gbps Switching Capacity, Data & Power Via Ethernet to PoE Access Points & IP Cameras, Black, TPE-TG82G

ETHERNET PORT CONFIGURATION: 8 Gigabit PoE+ ports with LED indicators provide a 16Gbps switching capacity to support edge network installations..
DESKTOP DESIGN: With a compact and lightweight metal housing design, this Ethernet switch is well-suited for desktop installations..
PoE+ POWER: A 61W PoE power budget supports up to eight Power over Ethernet devices. TPE-TG82g, delivers data and power over existing Ethernet cables to Power over Ethernet (PoE) devices such as Access Points and IP Cameras..
PLUG-AND-PLAY: Simply power up the switch and plug in connected devices. No software to install or configuration needed..
DATA TRANSFER RATE: Ethernet: 10Mbps (half duplex), 20Mbps (full duplex) Fast Ethernet: 100Mbps (half duplex), 200Mbps (full duplex) Gigabit: 2000Mbps (full duplex).

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Baseus 65W 3 Port GaN Charger and Baseus 30000mAh 65W Power Bank

...nsized Design GaN Charger】：3.82*1.6* 1.5 inches compact body & travel-friendly design ensures maximum portability wherever you go. Space-saving flat plug power strip with 4.92ft extension power cord allows its power-head to fit flexibly in tight spaces, and a 45° angled plug design that won’t block your duplex wall outlet..

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Cisco-Linksys EZXS55W EtherFast 10/100 5-Port Workgroup Switch

Perfect for optimizing 10-BaseT and 100-BaseTX hardware on the same network.
Uplink port for easy expansion and maximum scalability.
Reach speeds of up to 200 Mbps in full-duplex operation.
Eliminate bandwidth constraints and clear up bottlenecks.

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Gigabit Fiber Media Converter Single-Mode LC (SFP LX Transceiver Included), up to 20KM, 10/100/1000Base-Tx to 1000Base-LX

Optical Port: 1.25Gbps, 1310nm wavelength, Dual LC fiber, support Gigabit Ethernet.
RJ45 Port: UTP CAT5 10M/100M/1000M, Full Duplex or Half Duplex.
Complies with IEEE IEEE 802.3/802.3u/802.3z/802.3ab.
Status LED's for TX, FX LINK/ACT, POWER, FDX to easily monitor network status.
Supports working temperature range from 0°C to 60°C.
Support wide power supply voltage (100V-240V), operating voltage is 5VDC 1.0A..

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StarTech.com Dual Port PCIe Network Card - Low Profile - RJ45 Port - Realtek RTL8111H Chipset - Ethernet Network Card - Dual Port Gigabit NIC (ST1000SPEXD4)

ULTIMATE COMPATIBILITY: The PCI Express NIC server adapter network card uses the Realtek RTL8111 series chipset which offers out-of-the-box compatibility with most desktop and server operating systems.
ADVANCED FEATURES: This PCIe network adapter has a broad feature set that supports Auto MDIX, full and half duplex speeds, wake-on-LAN (WoL) and 9K jumbo frames.
FULLY COMPLIANT: This professional-grade Gigabit Ethernet card is fully compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab standards.
Protect critical networked systems with a redundant and independent Gigabit port.
Optimize network traffic with support for advanced features such as Jumbo Frames and VLAN tagging.
Maximize the networking efficiency of your virtualized server, with dedicated ports.
Two 10/100/1000Mbps compatible RJ-45 Ethernet ports.
Compatible with PCI Express Base Specification 2.0 (backward compatible with 1.0a/1.1).
Fully Compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, and supports IEEE 802.1Q VLAN tagging, IEEE 802.1P Layer 2 Priority Encoding and IEEE 802.3x Full Duplex Flow Control.
Supports Microsoft NDIS5 Checksum Offload (IP, TCP, UDP) and Large send Offload.

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1G Gigabit Ethernet Converged Network Card, Dual RJ45 Port Server Network Card with Intel 82571 Chipset Ethernet Adapter Low Profile LAN NIC Card for Support PXE for Windows/Windows Server/Linux

【Intel 82571 Chipset】 PCI Express X1 Network adapter adopts Intel a high performance Gigabit network JL82571GB controller, By providing unparalleled features of virtualization, flexible features, and proven reliable performance, it solves the high requirements of the generation data center..
【Convert PCIe Slot to Dual RJ45 Ports】Equipped with dual 1Gps RJ45 port which can setup a long-distance link with a file server or a remote workstation, compatible to a PCI Express-enabled client, server, providing a convenient addition or replacement networking interface..
【Date Rate】Half duplex at 10/100Mbp operation and full duplex operation at all supported speeds..
IEEE802.3ab ,IEEE802.3u and IEEE802.3 specifications..
【Wide Compatibility】Support Windows Win7/Win-server2012/Win-server2008/Win8/Win8.1/Win-server2016/win10,FreeBSD, Linux , VMWare,ESXi..

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