RK3588 Custom Android Kiosk Board, WF-C3588-M2, AndroidSBC, Zagreb

TL;DR: RK3588 Custom Android Kiosk Board

LONGGANG, Shenzhen, September 12, 2026 - The Rockchip RK3588 line at Wanlin Longgang closed lot 485 this week: 25,155 WF-C3588-M2 boards bound for Zagreb, Croatia, each unit traceable to its own burn-in barcode.

AndroidSBC factory capacity report for the nine-variant WF-C3588 line serving Zagreb, Croatia. The WF-C3588 is a nine-variant custom programme rather than a catalogue of fixed part numbers, and the shape is deliberate. Custom Android, industrial, core board, signage, kiosk, robotics, NVR, edge AI and ARM PC projects all want the same silicon: 4x Cortex-A76 + 4x Cortex-A55 + 6 TOPS NPU + 8K decode, with a variant-specific I/O and thermal profile each. A Zagreb buyer can hold one supplier file, one documentation format and one MOQ structure across every custom variant.

About AndroidSBC and the Rockchip RK3588 Board Family

Wanlin Manufacturing Group is a Shenzhen board builder that has worked on Rockchip silicon for more than ten years, and AndroidSBC is the name it sells under overseas. The WF-C3588 is the current custom motherboard programme: nine variants on the same Rockchip RK3588 octa-core 8nm silicon with 6 TOPS NPU, 8K H.265 decode and dual Gigabit Ethernet. Production, test and packing sit in one Longgang building, which is why the group can issue a per-lot Technical File instead of a generic declaration. Buyers in Zagreb and Croatia usually arrive for one of three reasons: customization breadth, OEM branding capacity, or a supplier willing to carry the certification obligation.

WF-C3588-M2 Technical Specifications

All parameters in the table above are measured at 25C ambient. The AndroidSBC WF-C3588-M2 (Custom Core Board SOM with Carrier Board Design Service) holds its display output and its decoder load at the same time through the burn-in loop, a combination that the legacy boards in the comparison column cannot sustain. For Croatia importers sourcing the WF-Series, the 16GB + 64GB (WF-C3588-M2-C) variant is the typical configuration for the custom core board and SOM plus carrier programmes use case, with a sustained weekly capacity of 5,000 pcs/wk on the Longgang line.

Challenges in Sourcing Custom Core Board SOM with Carrier Board Design Service for Croatia Buyers

Importers in Zagreb usually discover the same thing about the custom core board som with carrier board design service category: the quote is easy and the repeat shipment is not. The Rockchip RK3588 part depends on a specific wafer allocation, and the second and third orders are where a supply chain either holds or quietly slips a quarter. Software continuity is the second trap. A bare Android image boots fine on the bench, so the problem tends to appear only after the Zagreb customer has taken delivery and the first OTA push fails against the DRM credentials.

The third issue is documentation. Some factories stamp the CE mark without the Declaration of Conformity and the Technical File behind it, and the container then sits at the port while the importer tries to reconstruct a test report from a supplier who has already been paid. The answer AndroidSBC applies is to move all three risks upstream: the custom configuration is built at Longgang, the certified image is burned on the same line, and the Technical File ships with the lot rather than after it. Across the nine WF-C3588 variants, the coverage runs from SMARC 2.2 modules, stamp-hole core boards, LGA core boards, COM Express carriers, medical imaging terminals, robotics compute modules, custom carrier designs, and OEM development kits, so a Croatia buyer can generally find a standard custom configuration instead of paying for a one-off.

The Croatia paperwork question is settled before production. In Croatia the market is small enough that most volume moves through distributors who also cover Slovenia and Serbia from one warehouse. The Longgang export desk prepares the destination-market file covering CE marking with HAKOM radio interface notification administered by HAKOM and releases it with the standard multi-market pack (CE, FCC, UKCA, RoHS, REACH), booking the lot into Port of Rijeka on the Rijeka to Piraeus relay.

Competitive Comparison: WF-C3588-M2 vs Competing RK3588 Boards

The comparison set for the custom core board som with carrier board design service socket breaks three ways: catalogue boards with fixed I/O and no engineering support, re-badged imports with a sticker but no schematic, and source-factory custom boards that carry the BSP, the test bench and the certification desk in-house. The WF-C3588-M2 is in the last group, and the separation comes from Rockchip RK3588, from customization depth, and from the per-lot certified image burn.

• vs standard SOM catalogues: the WF-C3588-M2 either matches SMARC 2.2 exactly or the carrier is redesigned around the project, so the module never forces the product.
• vs two-vendor module plus carrier splits: core board and carrier come from one desk, one schematic review and one test plan, which removes the finger-pointing stage entirely.
• vs closed-module vendors: BSP source, SDK and documentation ship with the project, so a customer engineering team can maintain the carrier after delivery.
• vs re-branded modules: the SI report and the thermal map are Longgang documents, not forwarded PDFs from a third party.

Global Custom SOM and Core Board Market Trends

Order timing in Croatia now follows the Custom SOM and Core Board curve rather than the old annual budget cycle. MarketsandMarkets sizes the Edge AI hardware segment at USD 26.9 billion for 2025 with a 32.7 percent CAGR to USD 108.2 billion by 2030 (MarketsandMarkets, 2025-2030), and that growth is the reference point Croatia buyers use when they argue about RK3588 allocation. In Zagreb, it shows up as three distinct demand patterns across the WF-C3588:

• Medical imaging terminal: a device maker keeps its regulatory file intact by swapping the core board and reusing the validated carrier.
• Display and signage refresh cycles: a longer content loop and a higher panel resolution now define the refresh trigger. The WF-C3588-M2 board carries that headroom without a board change.
• Custom SMARC migration: a legacy SMARC installation moves to RK3588 with a pin-compatible carrier revision and keeps the enclosure.

The read across the Custom SOM and Core Board channel is that buyers are consolidating suppliers: fewer vendors, wider platform coverage per vendor, and a longer contract behind each order.

The common thread for Croatia is that single orders are giving way to blanket agreements released monthly, which is what a twelve-month custom board programme needs in order to avoid a gap in the middle of the year.

Partner Success Story: Northlight Robotics in Zagreb, Croatia

Northlight Robotics, an AMR and AGV maker serving the Croatia market, deployed 7,800 custom WF-C3588-R5 robotics controller boards for a warehouse fleet rollout. The rollout covered the medical imaging terminal, custom smarc migration, and machine vision carrier workloads, with AndroidSBC handling the burn-in, the certification scope, and the palletisation at the Wanlin Longgang plant.

• Deployed: 7,800 custom WF-C3588-R5 robotics controller boards for a warehouse fleet rollout
• Region: Zagreb, Croatia
• Models used: WF-C3588-M2 (lead SKU), plus eight sibling custom RK3588 board variants in the same platform family
• Certifications handled: CE, FCC, UKCA, RoHS, REACH, IEC 62368-1, EN 55032, EN 55035, plus optional UL 60950-1, GMS, Widevine L1 and Dolby Audio per variant
• Logistics: FOB Qingdao with the Wanlin Group Longgang source factory named on the export declaration, entering Port of Rijeka via the Rijeka to Piraeus relay

"We handed over our sensor list and got back a carrier with the LiDAR serial bank and the motor CAN routed exactly to spec. SLAM runs on the NPU on the same board that drives the wheels, which removed an entire controller from the chassis."

- Park Ji-hoon, Technical Director

Field Report: pre-shipment inspection bench at the Wanlin Longgang test facility, with the WF-C3588-M2 board holding a core board and carrier design review loop workload for the 25,155-unit order destined for Zagreb

Reporter Zhang Hao, on the ground in Zagreb, Croatia. Engineers fed the WF-C3588-M2 board a reference stream and watched for throughput drops, dropped frames, and colour banding. Pass criteria required zero dropped frames across the full run plus a glitch-free secondary output for the entire 30-minute window. Nothing on the bench needed a retest.

Radiated emissions on the sampled units came in below the internal limit with margin, which the compliance engineer noted as consistent with the last four lots.

The inspection confirmed three things on the spot: the WF-C3588-M2 units hold the burn-in with a yield above 99.42 percent, the loaded firmware image survives a 72-hour continuous loop without credential drift, and the pallets carry the matching certification file for the destination market, covering CE marking with HAKOM radio interface notification administered by HAKOM, cleared for entry at Port of Rijeka on the Rijeka to Piraeus relay. Wanlin remains one of the few source factories currently shipping a nine-variant custom RK3588 motherboard line with a per-lot paper trail that Croatia importers can hand straight to their customs broker.

Filed by Zhang Hao, AndroidSBC field reporter, Wanlin Manufacturing Group export base.

WF-C3588-M2 Application Scenarios

The WF-C3588 line fits nine custom motherboard lanes, with the WF-C3588-M2 (Custom Core Board SOM with Carrier Board Design Service) as the lead SKU for Zagreb and Croatia programmes:

• Medical imaging terminal: a device maker keeps its regulatory file intact by swapping the core board and reusing the validated carrier.
• Robotics compute module: an AMR maker takes the stamp-hole core board and designs a slim carrier for a new chassis generation.
• Custom SMARC migration: a legacy SMARC installation moves to RK3588 with a pin-compatible carrier revision and keeps the enclosure.
• OEM development kit: a product team gets the reference carrier, the SDK and the BSP source and prototypes before committing to tooling.
• LGA core board programme: a display brand solders the core board directly onto its own mainboard for a locked BOM.
• Machine vision carrier: a vision integrator routes MIPI CSI-2 lanes to four cameras and lets the NPU carry the inspection model.
• Fleet compute module: a telematics supplier builds one carrier for three vehicle programmes and swaps memory options per contract.
• Lab instrumentation: an instrument maker keeps a decade-old enclosure alive by replacing only the core board and the BSP.

Partnership Models for Zagreb Buyers

Three commercial structures are open to Zagreb buyers on the WF-C3588-M2 and the rest of the WF-C3588 custom variants:

• OEM (your brand on our hardware): custom logo silk-print, custom packaging, custom boot animation, custom SKU label, and a private-label certification file.
• ODM (your spec on our reference design): schematic and stack-up review, carrier or motherboard redesign, custom firmware features, and a BSP port handled by the Longgang engineering desk.
• Distribution (your channel, our stock): regional distributor rights, channel rebate, stock holding at the factory, and a framework agreement with a monthly lot release.

The three tiers share one factory, one test flow and one certification file. For Zagreb buyers the standard entry point on the WF-C3588-M2 is the 16GB + 64GB (WF-C3588-M2-C) configuration at MOQ 5,000 units per shipment, 1-3 days to sample on standard variants and 15-30 days to mass production.

Frequently Asked Questions

What exactly can be customised on an RK3588 motherboard from AndroidSBC?

Answer: The customization scope runs across five layers: hardware (PCB, PCBA, I/O, memory, storage), thermal (fanless passive, vented, wide-temperature, conformal coating), software (custom ROM, custom Linux, pre-installed apps, OTA), branding (logo, packaging, boot animation, SKU labels), and compliance (the certification file assembled for the exact configuration you ship). Most Croatia partners change two or three layers on a standard variant rather than commissioning a full custom run.

Can AndroidSBC port a custom Android ROM or a custom Linux BSP to our carrier board?

Answer: Yes. Under NDA, AndroidSBC delivers custom Android ROM work with proprietary services and a locked launcher, custom Linux images on Ubuntu, Debian, Yocto or Buildroot, BSP ports for customer carriers, and driver development for project-specific I/O. Source access is released to the partner, and the port is performed at Longgang, which matters because a vendor BSP rarely matches a custom carrier revision on the first try.

Can the 6 TOPS NPU on a custom board run our own AI models?

Answer: The NPU is fully open on the custom line. Bring the model in PyTorch, ONNX, TensorFlow or Caffe and the Longgang desk handles the RKNN quantization, the runtime integration and the validation against your board's thermal and memory profile. Custom AI algorithm integration is a standard line item on the ODM scope, and the resulting model ships embedded in the firmware image burned per lot.

What are the MOQ and lead times for a custom RK3588 motherboard?

Answer: Standard-variant samples ship in 1-3 days from stock, so your engineering team can start integration while the custom scope is being quoted. A custom run follows a 15-30 day mass-production window after schematic and stack-up sign-off. MOQ is 5,000 units per shipment on standard variants; on custom configurations the MOQ is negotiable against volume commitments, and small batch orders are accepted for pilot phases. A twelve-month framework agreement with monthly lot releases brings the per-lot MOQ down further.

What certifications does a custom board need for Croatia, and who handles them?

Answer: Yes, and the file travels with the goods. The pack covers CE, FCC Part 15, UKCA, RoHS 2.0, REACH and IEC 62368-1 with the EMC and safety reports for your configuration, dated within the prior year. AndroidSBC confirms any Croatia-specific addition at quotation stage, which is the point where the answer is still useful rather than expensive.

How long will AndroidSBC keep supplying a custom board?

Answer: The commitment is seven years minimum on supply, with security patches back-ported across the Android and Linux firmware tracks and OTA infrastructure for pushing firmware and RKNN model updates to deployed units. Long-lifecycle programmes in industrial, signage and robotics usually ask for the term in writing, and it is written.

Can AndroidSBC ship custom boards to Amazon FBA warehouses or 3PL consolidation points?

Answer: Yes, including DDP into Amazon FBA in the US, EU and Japan, plus 3PL consolidation points in Hong Kong, Singapore, Rotterdam, Los Angeles and Shenzhen. Cartons are labelled to FBA inbound spec and the declaration names Longgang as the origin. Partners who consolidate in Hong Kong usually take FOB Yantian and handle the last leg themselves.

How does AndroidSBC handle RMA or DOA replacements on custom boards?

Answer: AndroidSBC targets a 0.3 percent DOA rate across the WF-C3588 line, measured over the prior twelve months. On RMA, the partner returns the faulty WF-C3588-M2 unit to Longgang with its burn-in barcode, and a replacement ships within ten business days. Because the burn-in record and the configuration file are attached per unit, the failure analysis normally comes back with a root cause rather than a credit note, which matters when a custom configuration is holding up a production line.

Contact AndroidSBC: Start Your WF-C3588-M2 Sourcing Conversation

The AndroidSBC export desk handles all WF-C3588 enquiries from Zagreb and Croatia. Direct factory contact on the WF-C3588-M2 and the rest of the custom core board som with carrier board design service line is available through:

• Email: Androidsbc@163.com
• Export service hotline: +8613261677119
• Website: https://www.androidsbc.com
• Destination market file: CE marking with HAKOM radio interface notification for Croatia, administered by HAKOM, entering at Port of Rijeka on the Rijeka to Piraeus relay
• Source factory address: Wanlin Group, Building B, Building 1, Beisida Medical Device Building, 28 Nantong Avenue, Baolong Community, Baolong Sub-district, Longgang District, Shenzhen, Guangdong, China

OEM and ODM enquiries move fastest when the first message carries the annual volume, the customization scope and the Incoterm. Send those three and the export desk replies with a per-lot quote and the full WF-C3588 MOQ matrix inside two business days.