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Product Comparison

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Quantum Corporation
SDY47-LCE8-GL11
$1,074.57
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Sharp Calculators
EL244WB
$9.89
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Lenovo Group Limited
4X40N18008
$36.00
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Belkin International, Inc
B2B165BT
$122.00
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Kramer Electronics LTD
TP-583R
$378.61
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EnGenius Technologies, Inc
EWS7928FP-FIT
$410.30
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Manufacturer Quantum Corporation
Sharp Calculators
Lenovo Group Limited
Belkin International, Inc
Kramer Electronics LTD
EnGenius Technologies, Inc
Manufacturer Part Number SDY47-LCE8-GL11
EL244WB
4X40N18008
B2B165bt
TP-583R
EWS7928FP-FIT
Manufacturer Website Address https://www.quantum.com
https://www.sharp.ca
https://www.lenovo.com
https://www.belkin.com
https://www.kramerelectronics.com
https://www.engeniustech.com
Brand Name Quantum
Sharp Calculators
Lenovo
Belkin
Kramer
EnGenius
Service Name StorageCare Gold Support Plan Zone 1 - Uplift
- - - - -
Marketing Information 

Mission-Critical Premium Support - StorageCare Gold

Critical IT environments are always on: nights, weekends and holidays. This support plan provides mission-critical support for fastest resolution, including 24x7 technical assistance, proactive remote monitoring and resolution, priority onsite critical issue response, 24x7 delivery and installation of all replacement parts

Eight-digit calculator features a compact, pocket-size design that can be stored virtually anywhere for business professionals on-the-go. Large LCD provides a crisp, clear display to help prevent reading errors. Durable keys are appropriately spaced for fast, accurate data entry. Twin-power operation runs on solar energy with a battery backup to deliver consistent, reliable performance in any environment. Pocket calculator also includes automatic tax keys, percent key, three-key independent memory, extra-large plus key, automatic power down and more.

More from the Manufacturer


The ThinkPad Sleeve family is designed to fit perfectly the most recent generation of ThinkPad notebooks. These fitted sleeves help to protect your notebook from dust, shocks, scrapes, and scratches for superior PC protection. The slim, lightweight design also stows easily in a larger bag.


RELIABLE INTERNET AND POWER, EVERY TIME

This Ethernet + Power Adapter with Lightning Connector is the perfect solution when Wi-Fi connectivity is inconsistent, overextended, or non-existent. With Ethernet and Lightning ports, you can connect to a secure network while continuing to charge your device. Power over Ethernet (PoE) compatibility provides another convenient way to connect and charge simultaneously with a single cable. Combining Ethernet and reliable power makes this adapter perfect for businesses using cloud-based POS systems.

Made for: Businesses and professionals who need reliable Ethernet and power for their portable devices

Compatible with iOS 10.3.3 or later. The Belkin Connect app keeps your firmware up to date for optimal functionality.

THE BELKIN DIFFERENCE

  • Pioneer in technology and innovation for over 35 years
  • The only MFi certified integrated power and Ethernet solution on the market provides added peace of mind
  • Designed with small businesses in mind

ETHERNET + CHARGE DUAL FUNCTIONALITY

No more choosing between power and reliable internet connection. This adapter allows pass-through charging to power the device while Ethernet connection provides a reliable internet connection at the same time.

SUPPORTS POWER OVER ETHERNET

This adapter works with your existing Power over Ethernet (PoE) enabled internet connection. When PoE is available, there's no need to plug in a Lightning cable, simply charge through your existing PoE enabled cable.

FAST, RELIABLE AND SECURE CONNECTION

A hard-wired Ethernet connection provides reliable speeds up to 480 Mbps. Having a connection you can count on makes this a must-have for POS systems.

12W KEEP YOU CHARGED

Power user approved, you can run even the most power-draining apps with confidence. Pass-through power up to 12W will keep connected devices charged without compromising connectivity.

KEY FEATURES AND BENEFITS

  • Streamlined connectivity to Ethernet and power at the same time
  • 480 Mbps for fast, reliable Ethernet connection
  • Supports up to 12W of power to keep devices fully charged
  • MFi certified for quality assurance

MADE FOR IPAD CERTIFICATION

MFi-certified ('Made for iPad') means that an electronic accessory has been designed to connect specifically to iPad and has been certified by the developer to meet Apple performance standards.

2-YEAR LIMITED WARRANTY

The Ethernet + Power Adapter with Lightning Connector is protected by a Belkin 2-Year Limited Warranty. Belkin International, Inc. ("Belkin") warrants to the original purchaser of this Belkin product that the product shall be free of defects in design, assembly, material, or workmanship up to 2-years.


TP-583R is a high-performance, long-reach HDBaseT receiver for 4K HDR HDMI, RS-232 and IR signals over twisted pair. TP-583R converts the HDBaseT signal and outputs it to its HDMI and control ports. It enables extending video signals to up to 70m (230ft) over Kramer copper cables at up to 4K@60Hz (4:4:4) video resolutions. It is compatible with standard HDBaseT-compliant extenders at 4K@30Hz and HD video resolutions.

  • High Performance Standard Extender - Professional HDBaseT extender for providing long-reach signals over twisted-pair copper infrastructures. It employs low-level video compression technology that delivers visually lossless performance for 4K@60 (4:4:4) and HDR signals with near-zero latency. This high-quality compressed signal is extended to almost double the extension reach of the uncompressed signal.
  • Future-proof, Standard Extender - TP-583R is a standard HDBaseT extender, backwards compatible with other standard HDBT extenders. It extends either compressed or uncompressed HDBaseT signal, by auto-adapting to the compression capabilities of its connected extender. This enables it to be connected to any market-available HDBaseT-compliant extension product.
  • Intelligent Compression Handling - Automatically detects a standard HDBaseT extender without compression and disables the compression to extend the signal in compliance with the detected extender.
  • HDMI Signal Extension - HDR HDCP 2.2 compliant. Supports deep color, x.v.Color™, lip sync, HDMI uncompressed audio channels, Dolby TrueHD, DTS-HD, 2K, 4K, and 3D as specified in HDMI 2.0. EDID and CEC signals are passed through from the source to the display.
  • I-EDIDPro™ Kramer Intelligent EDID Processing™ - Intelligent EDID pass-through algorithm that ensures Plug and Play operation for HDMI source and display systems.
  • Multi-channel Audio Extension - Up to 32 channels of digital stereo uncompressed signals for supporting studio-grade surround sound.
  • Bidirectional RS-232 Extension - Serial interface data flows in both directions, allowing data transmission and device control.
  • Bidirectional Infrared Extension - IR interface data flows in both directions, allowing remote control of peripheral devices located at either end of the extended line.
  • Cost-Effective Maintenance - Status LED indicators for HDMI and HDBT ports facilitate easy local maintenance and troubleshooting. Local firmware upgrade via RS-232 connection ensures lasting, field-proven deployment.
  • Easy Installation - Compact DigiTOOLS® fan-less enclosure for dropped-ceiling mounting, or side-by-side mounting of 3 units in a 1U rack space with the recommended rack adapter.

APPLICATIONS

  • Long-distance AV signal extension for multi-room, large dividable auditoriums and lecture hall connectivity
  • AV extension in conference rooms, boardrooms, control rooms, hotels and large church facilities

The EnGenius Fit Managed Switch EWS7928FP-FIT is a 24-port Gigabit PoE+ Layer 2 plus switch with a 410W PoE budget and 4 SFP uplink ports. It offers multiple management options for small business network environments, allowing you to select the cloud or on-premises management option that best suits your needs. With its business-class features, the EnGenius Fit managed switch provides secure, reliable, and high-performance switching while reducing capital and operating expenses for cost-conscious small businesses.


Product Type Service
Simple Calculator
Carrying Case
Ethernet Card
Video Extender Receiver
Ethernet Switch
Service Main Type Maintenance
- - - - -
Service Sub Type Electronic and Physical
- - - - -
Service Characteristic Parts & Labor
- - - - -
Service Description 24x7x4 Hour
- - - - -
Provided Support Repair
Parts Replacement
Phone Support
Web Knowledge Base Access
New Releases Update
Remote Monitoring
- - - - -
Service Availability 24 x 7 Repair
24 x 7 Parts Replacement
24 x 7 Web Knowledge Base Access
- - - - -
Service Response Time 4 Hour - Repair & Parts Replacement
- - - - -
Service Location On-site
- - - - -
Service Duration 1 Year
- - - - -
Product Supported Quantum DXi4701 Capacity Expansion, 8TB Usable Capacity
- - - - -
Product Name - EL-244WB 8-Digit Professional Pocket Calculator
ThinkPad 13 Inch Sleeve
Ethernet + Power Adapter with Lightning Connector
TP-583R 4K HDR HDMI Receiver with RS-232 & IR over Long-Reach HDBaseT
EWS7928FP-FIT Ethernet Switch
Packaged Quantity - 1 Each
- - - 1
Calculator Features - 3-Key Memory
Auto Power Off
- - - -
Number of Display Digits - 8
- - - -
Display Screen Type - LCD
- - - -
Product Color - White
- - - -
Height - 0.3"
- 0.85" (21.50 mm)
- 1.73" (43.94 mm)
Width - 2.4"
- 5.67" (144 mm)
- 17.32" (439.93 mm)
Depth - 4.1"
- 2.12" (53.80 mm)
- 10.23" (259.84 mm)
Weight (Approximate) - 49.9 g
- 62.4 g
- 4.82 kg
Additional Information -
  • Digit Size: 15mm
  • Display Angle: Fixed

- - - -
Recycled - No
- - - -
Assembly Required - No
- - - -
Country of Origin - China
China
China
- -
Limited Warranty - 1 Year
- 2 Year
- 1 Year
Additional Warranty Information -

1 Year Warranty


- - - -
Style - - Sleeve
- - -
Maximum Screen Size Supported - - 13``
- - -
Durability - - Shock Resistant Interior
Dust Resistant Interior
Scrape Resistant Interior
Scratch Resistant Interior
- - -
Application/Usage - - Notebook
- - Business
Compatibility - -

Lenovo - ThinkPad


- - -
Host Interface - - - Lightning
- -
Total Number of Ports - - - 1
- -
Number of Network (RJ-45) Ports - - - 1
1
-
Media Type Supported - - - Twisted Pair
Twisted Pair
Twisted Pair
Optical Fiber
Form Factor - - - Portable
- Rack-mountable
Device Supported - - - Tablet
- -
Product Model - - - - TP-583R
EWS7928FP-FIT
Connectivity Technology - - - - Wired
-
Number of Output Devices Supported - - - - 1
-
Maximum Operating Distance - - - - 230 ft (70104 mm)
-
Graphics Modes - - - - 4K UHD
-
Maximum Video Resolution - - - - 4096 x 2160
-
Network (RJ-45) - - - - Yes
Yes
HDMI Out - - - - Yes
-
Number of HDMI Outputs - - - - 1
-
Receiver Height - - - - 0.96" (24.38 mm)
-
Receiver Width - - - - 4.72" (119.89 mm)
-
Receiver Depth - - - - 2.81" (71.37 mm)
-
Receiver Weight (Approximate) - - - - 300 g
-
Package Contents - - - -
  • TP-583R 4K HDR HDMI Receiver with RS-232 & IR over Long-Reach HDBaseT
  • Power Adapter
  • Power Cord
  • Bracket Set

  • EWS7928FP-FIT Ethernet Switch
  • 1 x Power Cord
  • 1 x Rack Mount Kit
  • 1 x RJ-45 Console Cable
  • Quick Start Guide QR Code
  • Mobile App QR Code

Environmentally Friendly - - - - Yes
-
Product Line - - - - - Fit
Total Number of Network Ports - - - - - 24
Uplink Port - - - - - Yes
Modular - - - - - Yes
Port/Expansion Slot Details - - - - - 24 x Gigabit Ethernet PoE+
4 x Gigabit Ethernet Expansion Slot
Ethernet Technology - - - - - Gigabit Ethernet
Network Technology - - - - - 10/100/1000Base-T
1000Base-X
Number of Total Expansion Slots - - - - - 4
Expansion Slot Type - - - - - SFP (mini-GBIC)
Number of SFP Slots - - - - - 4
Layer Supported - - - - - 2
Networking Standards - - - - - IEEE 802.1x
IEEE 802.3
IEEE 802.3u
IEEE 802.3ab
IEEE 802.3x
IEEE 802.3af
IEEE 802.1Q
IEEE 802.1D
IEEE 802.3ad
IEEE 802.3at
Manageable - - - - - Yes
PoE (RJ-45) Port - - - - - Yes
PoE Budget - - - - - 410 W