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Product guide

Tera D5100 2D Wireless Barcode Scanner

The Tera D5100 barcode scanner pairs 2D code reading with 2.4G wireless and USB cable connections. Its battery indicator, storage and instant-upload modes, and included USB receiver make it a flexible option for desktop and laptop workflows, though customer feedback is mixed on reliability and wireless setup.

At a glance

Offers 2.4G wireless and USB cable connections for desktop and laptop setups.
A battery indicator displays remaining charge, and the listed battery capacity is 2200mAh.
Supports listed 1D and 2D formats, including QR, DataMatrix, PDF417, and Aztec.
Storage and instant-upload options, plus manual, continuous, and auto-sense scanning modes.

Price

$37.99Save 16%

Reference price: ~~$44.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Includes a USB receiver and USB cable for wireless receiver or wired operation.
The listed formats include common 1D codes and several 2D types, with screen and printed-code scanning claimed.
Configurable keyboard language and prefix or suffix options can adapt output to different workflows.

Cons

The listing says it is not compatible with Square, which limits its fit for workflows relying on that platform.

Technical specifications

22 specifications

Identity
Brand	Tera

Connectivity and controls
Wireless connection listed	2.4G Wireless, USB Cable
Connection setup	Plug and play with the USB receiver or the USB cable, no driver installation needed.
Wireless range	328 ft. in barrier free environment
Scanning modes	Manual Trigger Mode, Continuous Scan Mode and Auto-sense Scan Mode
Data modes	storage mode and instant upload mode

Scanning
Screen and printed code scanning	It can scan barcodes on electronic devices such as smartphones, tablets, or computer screens, or physical barcodes printed on labels, packaging.
Scan rate	200 seconds
Field of view	360 degrees

Power and battery
Power configuration	Battery Powered
Battery capacity	2200mAh
Battery type and quantity	1 Lithium Polymer batteries required. (included)
Battery indicator	With the unique battery indicator light showing the remaining battery level

Compatibility and configuration
Compatible devices	Desktop, Laptop
Keyboard language	You can configure the scanner to match the specific keyboard language you prefer or require for data input.
Prefix and suffix support	Supports the addition of prefixes and suffixes, providing enhanced functionality.
Operating voltage	5 volts

Build and environment
Dimensions (D × W × H)	2.5"D x 3.9"W x 6.9"H
Drop protection claim	6.56 feet
Dust protection claim	IP54
Maximum storage temperature	158 °F

Warranty
Warranty description	1 year

What to know before buying

Listing details to confirm

The listing gives a scan rate of “200 seconds,” which is unclear as a rate specification, and separately describes the image sensor as “640*480 CMOS” without a corresponding technical-table label. Its claim of twice others’ standby time has no defined comparison, and the stated wireless distance applies only in a barrier-free environment. The listing also says the receiver is used for wireless setup, while customers report mixed wireless connectivity and say an adapter may be needed. Confirm the connection arrangement and the meaning of the scan-rate claim for your setup.

Who is it for?

A good fit for

Desktop or laptop users who want either 2.4G receiver-based wireless or USB cable operation.
Retail, warehouse, or inventory workflows using supported 1D and 2D barcode formats.
Users who need configurable keyboard language, prefix or suffix output, or a choice between stored and immediate uploads.

Less suited to

Buyers who need Square compatibility.
Buyers who need a clearly specified scan-rate figure or a wireless range guaranteed through obstacles.

Tera D5100 2D Wireless Barcode Scanner · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 196 ratings

5 stars68%68%
4 stars11%11%
3 stars9%9%
2 stars3%3%
1 star9%9%

Customer feedback highlights ease of use, straightforward setup, and battery life, with some buyers also describing the scanner as good value. Reports on reliability are mixed: while some find it works with QR codes and barcodes, others say scanning can struggle. Wireless experiences are also mixed, including reports that an adapter is needed. For workflows that depend on consistent scanning or wireless operation, those concerns matter more than the claimed 2.4G and USB options alone. The aggregate ratings lean positive, but include a meaningful range of lower-star ratings and do not explain individual experiences.

Positive themes

Customers describe it as easy to use and simple to set up.
Customers mention favorable battery life and value for money.

Negative themes

Some customers report difficulty with scanning.

Mixed feedback

Reports about reliability vary, including both successful barcode and QR scanning and scanning problems.
Wireless connectivity feedback varies, with some customers reporting that an adapter is needed.

Frequently asked questions

Can the D5100 connect without wires?

The listing describes 2.4G wireless through a USB receiver and also supports a USB cable connection. Customer feedback on wireless connectivity is mixed, so confirm the receiver setup works with your host device.

Which barcode types does it support?

The listing names several 1D formats and 2D formats including QR, DataMatrix, PDF417, Aztec, Hanxin, and Micro PDF417. It specifically says the scanner is not compatible with Square.

Can it scan codes displayed on a screen?

The listing claims it can scan barcodes on smartphone, tablet, and computer screens as well as printed labels and packaging.

Does it offer more than one scanning mode?

Yes. The listed modes are manual trigger, continuous scan, and auto-sense. The listing also describes storage and instant-upload data modes.