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Product Comparison

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Sharp Electronics
EL546XTBSL
$38.00
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Lexmark International, Inc
50G0822
$427.27
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Lenovo Group Limited
4X71B67860
$254.91
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Axis Communications
02371-001
$787.78
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HP Inc.
82M84AA
$114.00
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Manufacturer Sharp Electronics
Lexmark International, Inc
Lenovo Group Limited
Axis Communications
HP Inc.
Manufacturer Part Number EL546XTBSL
50G0822
4X71B67860
02371-001
82M84AA
Manufacturer Website Address https://www.sharpusa.com
https://www.lexmark.com
https://www.lenovo.com
https://www.axis.com
https://www.hp.com
Brand Name Sharp
Lexmark
Lenovo
AXIS
Poly
Product Name EL-520XTBBK Scientific Calculator
550-Sheet Lockable Tray
16GB DDR4 SDRAM Memory Module
M3215-Lve Surveillance Camera
Edge B30 IP Phone and PoE-Enabled
Marketing Information 

10-digit scientific calculator with a two-line display performs 469 functions, 44 metric conversions, 52 physical constants, constant and fraction calculations, and two variable statistics to help you quickly work through a wide variety of problems. Dual-power design runs on both solar energy and battery power to ensure consistent, reliable performance no matter where you are. The home key allows you to quickly start fresh from any screen. Scientific calculator is perfect for pre-algebra, algebra, statistics, chemistry and more.


This unit supports A4, A5, A6, Executive, Folio, JIS B5, Letter, Legal, Oficio and Statement sizes. Paper (16 to 47 lb., 60 to 176 gsm), transparencies, card stock and labels may be used from this tray. Envelopes in sizes 7¾, 9, 10, B5, C5 and DL may also be used from this tray. Paper size, paper and tray-present and tray-low and tray-empty sensing are supported. The optional caster base may be required when the product is configured with the spacer or additional trays (1 to 4).


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Overview | Call with confidence

Sleek design meets quality audio at an affordable price. Easy-to-use illuminated keys, plug-and-play provisioning, and reliability make it pure value.

Crisp audio

Hear every nuance of your call. Poly HD voice and Poly Acoustic Fence technologies give you business-grade audio quality with reduced background noise.

Totally turnkey

Poly cloud management software makes these phones the smart choice. IT can easily monitor, manage, and maintain devices securely from the cloud with PDMS-SP and Poly Lens software.

Easy to use

Simplicity right out of the box. No need to guess if you are on mute, speakerphone, or headset. These keys light up when selected. Instantly add co-workers to your call with 5-way local audio conferencing.

Features | Line keys

2 lines displayed; 8-line key assignments supported with pagination.

Headset compatibility

More Poly headset options with both RJ9 and 3.5 mm headset ports.

Simple setup

Simplified network and provisioning with two-port Ethernet switch 10/100 Base-TX across LAN and PC ports. Zero touch provisioning means these phones are ready right out of the box. Power over ethernet (POE).

Go hands free

More productive calls with a hands-free speakerphone with proven acoustic echo cancellation and background noise suppression technology.

Installation

Easy installation on desk or wall with 2-position desk stand and included wall mount hardware.



Packaged Quantity 1 Each
- - - -
Product Type Scientific Calculator
Paper Tray
RAM Module
Surveillance Camera
IP Phone
Number of Functions 469
- - - -
Operations/Functionality 
  • Pre-algebra
  • Algebra
  • Statistics
  • Chemistry

- - - -
Number of Display Digits 10
- - - -
Power Source Battery/Solar
- - - -
Product Color Black
- - - Black
Height 0.6"
4.30" (109.22 mm)
- - -
Width 3.3"
16.60" (421.64 mm)
- - -
Depth 5.3"
20.10" (510.54 mm)
- - -
Recycled No
- - - -
Assembly Required No
- - - -
Total Media Capacity - 550
- - -
Media Size - A4 - 8.30" (210.82 mm) x 11.70" (297.18 mm)
A5 - 5.80" (147.32 mm) x 8.30" (210.82 mm)
A6 - 4.10" (104.14 mm) x 5.80" (147.32 mm)
Executive - 10.50" (266.70 mm) x 7.25" (184.15 mm)
Folio - 8.27" (210.06 mm) x 13" (330.20 mm)
JIS B5 - 6.90" (175.26 mm) x 9.80" (248.92 mm)
Letter - 8.50" (215.90 mm) x 11" (279.40 mm)
Legal - 8.50" (215.90 mm) x 14" (355.60 mm)
Oficio
Statement - 8.50" (215.90 mm) x 5.50" (139.70 mm)
Envelope No. 7 3/4 - 7.50" (190.50 mm) x 11" (279.40 mm)
Envelope No. 9 - 3.80" (96.52 mm) x 8.80" (223.52 mm)
Envelope No. 10 - 4.80" (121.92 mm) x 9.50" (241.30 mm)
B5 Envelope - 6.92" (175.77 mm) x 9.84" (249.94 mm)
C5 Envelope - 9" (228.60 mm) x 6.68" (169.67 mm)
DL Envelope - 4.30" (109.22 mm) x 8.66" (219.96 mm)
- - -
Media Type - Plain Paper
Transparency
Card Stock
Label
Envelope
- - -
Weight (Approximate) - 5.90 kg
40 mg
- -
Compatibility - Lexmark Printers:
  • B2865dw
  • MS725dvn
  • MS821dn
  • MS821n
  • MS822de
  • MS823dn
  • MS823n
  • MS825dn
  • MS826de
  • MX721ade
  • MX721adhe
  • MX722ade
  • MX722adhe
  • MX826adxe

- - -
Country of Origin - China
- - -
Memory Size - - 16 GB
- -
Memory Technology - - DDR4 SDRAM
- -
Memory Speed - - 3200 MHz
- -
Memory Standard - - DDR4-3200/PC4-25600
- -
Error Checking - - ECC
- -
Signal Processing - - Registered
- -
Form Factor - - DIMM
Dome
Desktop
Wall Mountable
Product Model - - - M3215-Lve
B30
Color Supported - - - Color
-
Product Line - - - - Edge
Handset Connectivity Technology - - - - Corded
Base Unit Connectivity Technology - - - - Corded
IP Phone Technology - - - - VoIP
Caller ID - - - - Yes
Speakerphone - - - - Yes
Network (RJ-45) - - - - Yes
Number of Network (RJ-45) Ports - - - - 2
PoE (RJ-45) Port - - - - Yes
Color Family - - - - Black
Package Contents - - - -
  • Edge B30 IP Phone and PoE-Enabled
  • Desk Stand/Wall Mount Hardware
  • Handset with Handset Cord
  • Network (LAN) Cable
  • Safety Information Sheet
  • Setup Sheet with QR Code to Documentation and Video
  • Power Supply Unit (PSU)

Energy Star - - - - Yes
Limited Warranty - - - - 1 Year