Best Duplex Board

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.

Connect fiber network devices for high-speed transfers with LSZH rated cable.
3 meter Duplex Fiber Cable / LC to ST / Multimode Patch Cable / 3m Multimode 62.5/125 Duplex Fiber Optic Cable LC to ST.

Constructed of solid oak, oak and hardwood veneers, this unit serves as a complete demonstration center offering a spacious work surface.
The dovetailed drawers operated smoothly on epoxy coated steel glides with nylon bearings.
Unit includes one multiservice fixture, GFI protected AC duplex receptacle, polypropylene trap, Greenlaw Arm, a pull out writing board and locks for cupboard (door hinged Left) and all four drawers.

This fan adapter board is designed for Raspberry Pi desktop cluster cases and supports any Raspberry Pi motherboard with micro USB or USB C power..
With 4 pins on the adapter board, it can provide 5v power to two fans, which is the best way to power your fans when your Raspberry Pi GPIO is occupied by the PoE hat and keep your device cool at all times..
Plug and play: The fan adapter fits any 5V fans with an XH2.54 duplex connector. Simply plug the red wire of the fan connector into the positive and the black wire into the negative to run. Size:0.51*0.59 inch..
Compatible ASIN List: Raspberry Pi Complete Enclosure: B09JNHKL2N, B09S11Q684.
Raspberry Pi Cluster Case: B099RR1ZCT, B09K439BTY all are suitable for this fan adapter..

ETHERNET PORT INTERFACE: 8 x Gigabit PoE+ ports.
POE+ POWER BUDGET & SWITCH CAPACITY: 123 W PoE power budget supports up to eight power over Ethernet devices and the 8-port gigabit PoE+ network switch provides 16Gbps 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), Gigabit: 2000 Mbps (full duplex).
OPERATING TEMPERATURE: This 8-port gigabit PoE+ network switch is rated with an operating temperature range of 0 – 45 °C (32 - 113 °F).

ETHERNET PORT INTERFACE: 8 x Gigabit Ports.
SWITCH CAPACITY: 8 gigabit ports provide high-speed network connections to devices and a 16Gbps switching capacity allows data traffic to flow smoothly, reducing traffic bottlenecks..
COMPACT FANLESS DESIGN: This Gigabit Ethernet switch has a compact and lightweight metal housing design that is well-suited for desktop installations. Its fanless design is perfect for quiet environments that require silent operation..
ENERGY SAVINGS: This 8 Port switch includes GREENnet technology that provides cost savings and reduces power consumption by up to 70%, by limiting port power consumption during periods of low link utilization..
DATA TRANSFER RATE: The gigabit switch Data Transfer Rates-Ethernet: 10Mbps (half duplex), 20Mbps (full duplex), Fast Ethernet: 100Mbps (half duplex), 200Mbps (full duplex), Gigabit: 2000Mbps (full duplex).
TRENDnet LIFETIME PROTECTION: All metal TRENDnet switches come with lifetime manufacturer protection..
Temperature : Operating: 0 Degrees ~ 40 Degrees Celsius (32 Degrees ~ 104 Degrees Fahrenheit), Storage: -10 Degrees ~ 70 Degrees Celsius (14Degrees ~ 158 Degrees Fahrenheit ).

if the board fails to work on duplex mode, please run the upgrade command: sudo pistar-mmdvmhshatflash hs_dual_hat.
HIGH PERFORMACE: 32-bit ARM processor, up to 10mW RF power, fully tested every piece..
WIDELY COMPATIBLE: Supports DMR, P-25, D-Star and System Fusion.
WORK with RASBERRY Pi: Mounts cleanly on current Raspberry Pi including the Pi Zero , NOT compatible with Rasberry Pi 4..
Update new FW: (pi-star / expert / ssh access / user :pi-star pass:raspberry) then run sudo pistar-mmdvmhshatflash hs_dual_hat set Jumper BOOT0=1,BOOT1=0 and soler JP1 First! After upgraded finished, disconnect JP1.
FREQUENCY: Radio Frequency : Freq:144-148,219-225, (Main Band) 420-475,842-950 NOTE: TX =0, RX=0. Modem select: STM32-DVM/MMDVM_HS-Raspberry pi Hat(GPIO) or any other (GPIO board).

ETHERNET PORT CONFIGURATION: 16 x Gigabit RJ-45 Ports.
GIGABIT SPEEDS: 16 gigabit ports provide high-speed network connections to devices and a 32Gbps switching capacity allows data traffic to flow smoothly, reducing traffic bottlenecks.
RACKMOUNT DESIGN: The 16 Port Gigabit switch is designed with a sturdy rackmount metal design with a built-in power supply.
GREENnet ENERGY SAVINGS: The 16-Port Gigabit GREENnet switch, provides high bandwidth performance, ease of use, and reliability.
Reducing power consumption by up to 70%. GREENnet technology automatically adjusts power consumption as needed, resulting in substantial energy savings.
TRENDnet LIFETIME PROTECTION: All metal TRENDnet switches come with lifetime manufacturer protection.
DATA TRANSFER RATES: Ethernet: 10Mbps (half duplex), 20Mbps (full duplex).
Fast Ethernet: 100Mbps (half duplex), 200Mbps (full duplex).

Xerox Duplex Travel Scanner - USB 2.0 Cable - Carrying Bag - Carrier Sheet (Clear Plastic Sleeve to Protect Fragile Originals) - Calibration Sheet and Cleaning Cloth - Quick Install Card - Technical Support Card - Driver and Software DVD-ROM - Original Box.
Simplex or Duplex: Duplex (two side scanning).