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Black Box ME800A-R4 Async RS-232 Extender Over CATx - DB25 Male to Terminal Block
- Ports: (1) DB9 F, (1) 4-screw terminal block, (1) RJ-11, (1) DC power jack
- Max Distance: 4 mi. (6.4 km) maximum
- Transfer Rate: 115,2000 bps at 4000 feet (1219.2m); 57,600 bps at 1 mile (1.6 km); 9,600 bps at 4 miles (6.4 km)
- Power Adapter: 115V AC, 60 Hz +/- wallmount, 9V DC, 500 mA, 4.5W maximum
- Model #: ME800A-R4
- $232.50 –
- More options from $197.99 - $232.50

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AddOn Lenovo 4X90E51405 Compatible USB 3.0 (A) Male to RJ-45 Female Black Adapter - 100% compatible
- Connectors: 10/100/1000Base-T
- Model #: 4X90E51405-AO
- $42.80 –
- Free Shipping

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Black Box Network Services Usb 2.0 Extender 4 Port Mm
- Model #: IC404A-R2
- $1,255.99 –
- More options from $1,255.99 - $1,659.99
- Free Shipping

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Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-ACAT)
- Model #: C12Y-ZY1276
- $97.00 –
- Free Shipping

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RYT94AP 4G CAT 4 LTE/GNSS Mini PCIe Card (Suitable for Asia Area, LTE FDD Band: 1,3,5,8,9,18,19,26,28)
- Model #: TOLDB0BL35C1XG
- $105.99 –
- Free Shipping

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NVIDIA ConnectX-6 InfiniBand/Ethernet adapter card, HDR IB (200Gb/s) and 200GbE, dual-port QSFP56, PCIe3.0/4.0 x16, tall bracket | MCX653106A-HDAT
- Brand: NVIDIA
- Part Number: MCX653106A-HDAT
- Connectors: Dual QSFP56 InfiniBand and Ethernet (copper and optical)
- Temperature: Operational: 0 degree Celsius to 55 degrees Celsius Non-operational:-40 degrees Celsius to 70 degrees Celsius
- Model #: MCX653106A-HDAT
- $1,499.99 –
- More options from $1,499.99 - $1,818.99
- Free Shipping

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M+B to 4 Port Card RS485 RS422 Communication WCH384 Converter Expansion Card for Desktop Automation Wide Temperature Industrial
- Model #: TOLDB0GZMYZNMJ
- $162.99 –
- Free Shipping

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Silicom PCI-e 4 Port Gigabit Wired Ethernet Server NIC PEG4BPI-RoHS V1.7
- Model #: TOLDB012U2FQSG
- $117.99 –
- Free Shipping

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1 to 4 RS485/RS232 to 4 Ports RS485 HUB Splitter Repeater 1500W Protection Thin Module Din Rail Mounting Optical Isolated
- Model #: CLOLB0GTWJ3NF4
- $182.99 –
- Free Shipping

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Black Box RS232 RJ45 Pass Splitter RM Card 4PT
- Model #: TOLDB016WL56R2
- $201.99 –
- Free Shipping

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UOTEK Industrial PCIE to 4-Port RS485 RS422 Serial Card PCI-E to RS-485 RS-422 High Speed Converter Adapter DR44 Connector Optical Isolation 1.2Km Transmission Distance 4U UT-794I
- Connectors: DR44
- Temperature: -40~85°C
- Model #: UT-794I
- $108.79 –
- Free Shipping

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JMT ADT-R89M-F37C PCIe 4.0 x8 to x16 Extension Card 128Gbps MCIO External Chassis Supports 2U/4U Chassis (50CM)
- Model #: TOLDB0FWK57K2D
- $167.99 –
- Free Shipping

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CAN Bus Relay Repeater,OPEN4 Terminal Block 226CAN Bus Isolator with ID/Data Conversion Function
- Model #: HANLB0GRH1ZXZ9
- $340.59 –
- More options from $340.59
- Free Shipping

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ADT-Link PCIe 3.0 X4 X8 Riser Extender for Gigabit Network Card Industrial SSD Pci-e 3.0 X4 X8 to X16 Extension PCI-Express 3.0 Cable (80cm,R32SF)
Limited time offer, ends 10/07
- Model #: C7FK-OYS-2026.7.28-523
- $95.33 –
- Free Shipping

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ADT-Link PCIe 3.0 X4 X8 Riser Extender for Gigabit Network Card Industrial SSD Pci-e 3.0 X4 X8 to X16 Extension PCI-Express 3.0 Cable (40cm,R32SF)
Limited time offer, ends 10/07
- Model #: C7FK-OYS-2026.7.28-531
- $84.16 –
- Free Shipping

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Mellanox ConnectX-4 EN Network Adapter (MCX414A-BCAT)
- Model #: 927946782558
- $279.99 –
- Free Shipping

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UOTEK Industrial PCI-E to RS-485 RS-422 4 Ports Serial Card PCIE to RS485 RS422 High Speed Converter DB9 Com Connector PC Serial Expansion Card UT-794 Support Win10/XP/Vista/Win7/8/8.1/NT4.0/CE 4.2/5.
- Connectors: DR44
- Temperature: -40~85°C
- Model #: UT-794
- $81.09 –
- Free Shipping

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Mellanox ConnectX-4 Lx EN Network Adapter (MCX4121A-ACAT)
Limited time offer, ends 10/07
- Model #: OYSC5KU.8.18-545
- $141.98 –
- Free Shipping

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M+B to 4 Port RS485 RS422 Expansion Card for Long Distance Data Transmission Industrial Accessories Industrial Communication Extension Card
- Model #: TOLDB0H7FJXSBW
- $145.99 –
- Free Shipping

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PARSEC 4:1 CABLE KIT 4 CELLULAR 3FT N-TYPE MALE NON-STANDARD NCNR
- Model #: PC2404L03NM
- $149.18 –
- Free Shipping

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Mellanox ConnectX-4 EN Network Adapter (MCX414A-BCAT)
- Model #: 6909494104
- $350.00 –
- Free Shipping

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4 Port Gigabit PCIe Network Adapter, Realtek RT8111H Controller 1000/100Mbps Ethernet LAN NIC Card for Windows/Linux/Mac
- Model #: WUQ323GF57803
- $129.80 –
- Free Shipping

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AOM-SXM4-IO PCIE Gen4 switch board for 4U 8 SXM4 GPU system,RoHS #
- Model #: tmgalaxy-AOM-SXM4-IO
- $10,999.89 –
- Free Shipping

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UOTEK PCI to 4 Ports RS232 High Speed Serial Card RS-232 Multiport Serial Adapter DR44 Expansion Connector Industrial Grade Converter UT-754
- Connectors: 1 DR44 female
- Temperature: -40~85°C
- Model #: UT-754
- $59.16 –
- Free Shipping

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RSC-R2UU-A4E8+ 2U Left Slot PCI-Express x8 Riser Card
- Model #: tmgalaxy-RSC-R2UU-A4E8+
- $404.23 –
- Free Shipping

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HPE Networking Instant On Access Point AP22 2x2 WiFi 6 Indoor Wireless Access Point | Long Range, Secure, Smart Mesh Support | Power Source Not Included | US Model (R4W01A)
- Model #: RCCWB08FBMCY31
- $270.99 –
- Free Shipping

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MELLANOX ConnectX-5 Ex VPI Adapter Card, EDR IB (100Gb/s) and 100GbE, Dual-port QSFP28, PCIe4.0 x16, Tall Bracket, ROHS R6
- Weight: 0.45
- Model #: MCX556A-EDAT
- $699.99 –
- More options from $699.99 - $1,329.00
- Free Shipping

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Perle 06003684 Ex-4S110-Rj Ethernet Extender 4 X 10/100 Rj45 Vdsl
- Model #: 06003684
- $561.00 –
- Free Shipping

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Rail-Mount Industrial Isolated Serial Module 4-Ch RS485 to RJ45 Ethernet Serial Server Adapter, 4-CH Independent RS485, Support Modbus Gateway/MQTT/JSON, Bi-Directional Transparent Transmission
Limited time offer, ends 10/13
- Model #: C5Z9-Lsy724-402
- $112.88 –
- Free Shipping

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RS232/RS485 To Network Port Module Dual Serial Port ETH RJ45 Industrial Grade Two-Way Transparent Transmission EU Plug-AB01
Limited time offer, ends 10/07
- Model #: C6WV-0731-OYJ-700
- $58.51 –
- Free Shipping

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UTEK PCI to 4 Ports RS232 High Speed Serial Card RS-232 Multiport Serial Adapter DR44 Expansion Connector Industrial Grade Converter UT-754
- Model #: BZ59-985
- $78.39 –
- Free Shipping

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UOTEK Industrial 4-Port RS-232 PCI-E Multi-Serial Cards RS232 to PCIE High Speed Converter Adapter with DR44 Female 1pc Designed for POS and ATM UT-784 Support 256byte FIFO Driver and Built-in Hardwar
- Connectors: DR44
- Temperature: -40~85°C
- Model #: UT-784
- $66.00 –
- Free Shipping



