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Candidate comparison

Specifications are shown only where an identified source supports them. Maximum advertised range is not the same as real-world detection across all target materials.

How to read this matrix

Reflectivity matters: the C1 supplier explicitly separates a 12 m result for 70%-reflectivity white targets from 6 m for 10%-reflectivity black targets. Do not copy “12 m” alone into a purchase acceptance plan.

Names do not prove identical goods: the Waveshare D500 LiDAR Kit is NOT established as the same configuration or source as TANNAI's public TR-LID-D500.

Interface ≠ integration: a UART specification does not prove current ROS 2 driver compatibility, cable contents or host readiness.

Manufacturer / retailer sources

• S1 SLAMTEC RPLIDAR C1 specification https://www.slamtec.com/en/c1/spec
• S2 SLAMTEC RPLIDAR A1 specification https://www.slamtec.com/en/lidar/a1spec
• S3 Waveshare D500 LiDAR Kit product page https://www.waveshare.com/product/d500-lidar-kit.htm
• S4 Waveshare D500 LiDAR Kit wiki https://www.waveshare.com/wiki/D500_LiDAR_Kit

What must be verified

A useful fit review is as much about identifying unanswered questions as comparing published numbers.

Five buyer acceptance gates

1. Version gate: driver and ROS 2 distribution supported in writing for the exact device.
2. Data gate: target computer ingests scans at the agreed rate through the installed USB / UART chain.
3. Detection gate: real-world near-field and dark-obstacle field test passes a documented criterion.
4. Mechanical gate: mounting drawings, cabling and battery power pass integration review.
5. Commercial gate: price, exact variant, package, freight, warranty and returns confirmed in writing.

From evidence to purchase

A compact action plan gives the engineering buyer an unambiguous next step.

Questions for the buyer

• Which host operating system and ROS 2 distribution are required?
• What is the closest obstacle, darkest material and light environment?
• What mounting envelope and 5 V / interface restrictions exist?
• What is the shipping destination, quantity and purchasing window?
• What exact detection and scan criteria will count as acceptance?

Action sequence

Service boundary: this sample illustrates a proposed US$199 fixed-scope desktop research deliverable. It does not include physical test, coding, manufacturer authorisation, certification, customs or legal advice, guaranteed product suitability or delivery. One clarification round is a proposed service term, subject to the final service agreement.

TANNAI ROBOTICS / TECHNICAL SELECTION & SOURCING
For an actual project, start with the free brief. The review is scoped and accepted before any charge.
Source review date: 2026-10-28 | Sample revision: 1.0 | Not an invoice or a customer case

Your target

What the buyer asked for, and what is still missing before any supplier can be asked a useful question.

Missing before outreach

• Ship-to country and buyer of record
• Exact ROS 2 distribution and host OS
• Quantity bands (1 / 5 / 20) and target date
• Acceptable kit contents (adapter, cable, mount)

Supplier evidence ledger

Manufacturer, distributor and retailer are different supplier types. Nothing is labelled “authorised” without documentary proof.

The Waveshare D500 LiDAR Kit is not proven identical to TANNAI TR-LID-D500. A shared model fragment is not evidence of OEM origin, kit contents or certification equivalence.

Commercial matrix

No generic zeroes and no guessed numbers: a term is filled only from a dated public listing or a written supplier reply.

Risk decision

Each rating is explained in words rather than with a pseudo-precise score.

Action plan

A preferred follow-up based on the buyer's constraints — not a guaranteed recommendation.

Supplier question script (for approved outreach only)

1. Quote exact model + revision, SKU, full kit BOM, quantity 1 / 5 / 20, currency, price validity and payment terms.
2. Confirm stock / lead time and dispatch location in writing.
3. Confirm authorised distribution status only if relevant, with proof.
4. Provide package contents, current datasheet, SDK / ROS driver versions, interface and power documentation.
5. Confirm shipping to the buyer country, Incoterms, duties handling, warranty, DOA terms and return address.
6. Confirm the right to reproduce images / spec sheets if the buyer needs them.

Proceed-to-PO gates

• Buyer constraints complete (destination, quantity, ROS version)
• Written quotes for the exact variant from at least one path
• Sample plan agreed, if a physical check is needed
• Warranty, returns and seller of record confirmed
• Only then: purchase order

TANNAI ROBOTICS / TECHNICAL SELECTION & SOURCING
Operational process: scope request → eligibility screen → written scope and fee → accepted invoice → verified payment → research → evidence QA → report → one clarification → optional separate procurement proposal.
Format sample · evidence date 2026-10-28 · not an invoice, quotation or customer case