Wanlin Group AndroidSBC · High Quality Cashier Android Board, WF-S3504
High Quality Cashier Android Board, WF-S3504
WF-S3504 High Quality Cashier Android Board guide to reference specifications, interfaces, firmware, integration and OEM/ODM requirements.
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High Quality Cashier Android Board, WF-S3504
TL;DR: High Quality Cashier Android Board

About AndroidSBC and the Self-Service Checkout Android Motherboard Family
For United States importers, AndroidSBC consolidates the WF-S self-service checkout Android motherboard family into a single Shenzhen source-factory channel. Wanlin Manufacturing Group covers the Rockchip RK3568 8nm and Allwinner A133 22nm platforms under one BOM, one firmware baseline, and one set of CE / FCC / RoHS paperwork. For United States in particular, the WF-S platform addresses the self-checkout and POS terminal distribution channel where local supermarket chain procurement teams, hospitality refresh integrators, F&B kiosk vendors, and unattended-retail program operators looking for the global self-checkout / POS / kiosk supply base all converge on the same architecture.
WF-S3504 Technical Specifications
| Parameter | AndroidSBC WF-S3504 (industrial fanless self-checkout SBC) | Industry Average |
|---|---|---|
| Processor | RK3568 quad-core ARM Cortex-A55 2.0GHz 64-bit SoC | Older 28nm or 40nm quad-core SoC |
| Process node | 8nm low-power | Older 28nm or 40nm process |
| GPU | ARM Mali-G52 2EE | Older Mali-450 or basic GPU |
| NPU / AI | 1 TOPS INT8 NPU | No NPU on competing entry boards |
| Memory | 4GB LPDDR4 | DDR3 1GB / 2GB on competing boards |
| Storage | 32GB eMMC | eMMC 5.0 8GB / 16GB on competing boards |
| Display output | HDMI 4K + dual LVDS | Single HDMI 1080p only on competing boards |
| Touch support | 10-point capacitive touch | Resistive single-touch on competing boards |
| Operating system | Android 13 / Linux | Android 8 or Android 9 on competing boards |
| Connectivity | WiFi 6 802.11ax plus Bluetooth 5.0 plus dual Gigabit Ethernet | WiFi 4 plus 10/100M Ethernet on competing boards |
| Payment peripherals | QR code scanner, NFC, barcode scanner, thermal printer, cash drawer | No bundled payment-peripheral driver SDK on competing boards |
| Operating temperature | -20C to 70C | 0C to 40C on competing boards |
All parameters in the table above are measured at 25C ambient. The AndroidSBC WF-S3504 (industrial fanless self-checkout SBC) maintains its 4K HDMI output plus capacitive touch sampling while running the burn-in test loop, a configuration that competing single-platform boards cannot sustain at 60fps. For United States importers sourcing the WF-S family, the WF-S3504-A variant is the typical configuration for the industrial fanless kiosk SBC use case, with a sustained weekly capacity of 5000 pcs/wk.
Challenges in Sourcing Self-Service Checkout Android Motherboards for United States Buyers
For United States retail and F&B integrators, the recurring pain points on Chinese-sourced self-checkout Android motherboards are inconsistent PCB revisions, slow payment-peripheral driver updates, and a lack of OTA content management. The WF-S family from AndroidSBC addresses all three with a fixed BOM, a payment-peripheral driver SDK, and an OTA content management stack.
For international market and United States integrators, the FCC / UL plus FCC Part 15 and FCC ID for radio modules, plus UL or ETL safety listing paperwork plus the Port of Los Angeles customs routing is the typical import pathway for self-service checkout Android motherboards. AndroidSBC, a Wanlin Manufacturing Group export brand, bundles FCC / UL conformity into the source factory shipment so that international market importers do not need a separate paperwork pass. Direct from Wanlin Longgang, 162600-unit WF-S self-service checkout Android motherboard lot for international market, United States cleared burn-in and shipped via the Los Angeles - Shanghai lane on September 14, 2026.
Competitive Comparison: WF-S3504 vs Competing Self-Service Checkout Android Boards
United States procurement teams comparing Chinese self-service checkout Android motherboard factories usually focus on silicon lock, payment-peripheral driver support, OTA content management, and CE / FCC paperwork. The WF-S family from AndroidSBC addresses all four:
- vs single-platform 28nm boards: the WF-S family covers both Rockchip RK3568 8nm premium tier and Allwinner A133 22nm entry tier from one Shenzhen source factory.
- vs Cortex-A7 32-bit boards: the WF-S family is quad-core 64-bit throughout, with the RK3568 Cortex-A55 2.0GHz and the A133 Cortex-A53 1.6GHz both on the ARMv8 instruction set.
- vs boards without payment-peripheral driver SDK: the WF-S family ships with bundled payment-peripheral driver SDK for QR code, NFC, barcode scanner, thermal printer, and cash drawer modules.
- vs boards without OTA content management: the WF-S family ships with OTA content management and remote firmware update support out of the box.
Global Self-Service Checkout / POS Terminal / Kiosk Market Trends
Global Retail Automation Market is shaping how United States integrators are placing orders for the industrial fanless self-checkout SBC category. Global Growth Insights pegs the retail automation segment at USD 26.9 billion in 2025 and projects a 10.6% CAGR to USD 44.7 billion by 2030 (Global Growth Insights, Retail Automation Market Report, 2025-2030). For international market specifically, the buying patterns in the supermarket self-checkout, F&B ordering kiosk, unmanned-store, and dual-screen cashier segments are aligning with three AndroidSBC priority areas:
- Supermarket and convenience-store self-checkout rollouts: WF-A1302 is the typical choice for chain-store procurement.
- Food and beverage ordering kiosks and unattended stores: WF-A1302 plus the entry-tier WF-A1300 sister SKUs form the F&B ordering ladder.
- Dual-screen cashier and smart retail payment: WF-A1302 plus the dual-LVDS / dual-HDMI sister SKUs cover the dual-screen cashier segment.
For international market buyers, the supermarket self-checkout, F&B ordering kiosk, and dual-screen cashier segments are the bulk of self-service checkout Android motherboard order volume for 2025 and 2026. AndroidSBC, a Wanlin Manufacturing Group brand, ships the WF-S family with a 1-3 day sample lead and a 15-30 day mass-production lead.
WF-S3504 Application Scenarios
The WF-S3504 industrial fanless self-checkout SBC sits inside a nine-variant WF-S self-service checkout Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand. The WF-S3504-A configuration is the typical build for the industrial fanless kiosk SBC use case, with payment-peripheral driver SDK and OTA content management bundled.
- Supermarket self-checkout and dual-screen POS terminal: WF-S3504 plus WF-A1300 form the supermarket front-end ladder, with 4K HDMI plus capacitive touch.
- Convenience store POS terminal and self-checkout: WF-S3503 plus WF-S3504 ship with the Allwinner A133 22nm entry tier for convenience store rollouts.
- Food and beverage ordering kiosk and self-ordering terminal: WF-S3503 plus WF-S3503 cover the F&B ordering segment.
- Smart retail payment terminal and dual-screen cashier: WF-S3504 plus WF-S3503 cover the smart retail and dual-screen cashier segment.
- Hotel self-check-in kiosk and POS terminal: WF-A1300 plus WF-S3504 ship for hospitality self-check-in programs.
- Restaurant POS terminal and self-ordering kiosk: WF-S3503 plus WF-S3503 cover the restaurant front-end.
- Self-service locker and parcel terminal: WF-S3501 is the dedicated SKU for locker and parcel programs.
- Unattended retail micro-market and unmanned store: WF-S3503 plus WF-S3501 ship for unattended retail rollouts.
- Vertical-specific programs in international market: supermarket, convenience store, F&B, hospitality, retail, locker, unmanned store, smart retail.
Partnership Models for international market Buyers
For international market and United States integrators, three partnership tracks are available on the WF-S self-service checkout Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand.
- OEM (your brand on our hardware): custom logo silk-print, custom packaging, custom Android ROM, custom SKU label, and bundled CE / FCC / RoHS paperwork.
- ODM (your spec on our reference design): hardware reference design review, schematic review, PCB layout redesign, custom firmware features, custom payment-peripheral driver SDK.
- Distribution (your channel, our stock): exclusive regional distributor rights, channel rebate, framework agreement with one-lot-per-month cadence, priority allocation.
For international market integrators, the OEM track on the WF-S family opens with a 100-piece pilot, the ODM track opens with a 500-piece reference design review, and the distribution track opens with a framework agreement.
Frequently Asked Questions
Does the WF-S self-service checkout Android motherboard family support industrial fanless SBC?
Answer: Yes. industrial fanless SBC is a stock configuration on the WF-S self-service checkout Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand. Both Rockchip RK3568 and Allwinner A133 tiers ship with the firmware baseline.
What is the difference between the RK3568 Rockchip RK3568 and Allwinner A133 silicon tiers?
Answer: The Rockchip RK3568 8nm tier is the premium tier (quad-core Cortex-A55 2.0GHz, Mali-G52 GPU, 1 TOPS NPU). The Allwinner A133 22nm tier is the entry tier (quad-core Cortex-A53 1.6GHz, PowerVR GE8300 GPU). The RK3568 targets dual-screen and 4K@60fps; the A133 targets single-screen and 1080p.
Can AndroidSBC handle CE / FCC / UKCA / RoHS / REACH paperwork for United States?
Answer: Yes. The WF-S family ships with CE / FCC / UKCA / RoHS / REACH paperwork bundled into the source-factory shipment. The FCC / UL conformity plus FCC Part 15 and FCC ID for radio modules, plus UL or ETL safety listing is the typical United States import compliance anchor.
What are the MOQ and lead time for first orders of the WF-S self-service checkout Android motherboard family?
Answer: OEM pilot orders open at 100 pieces with a 1-3 day sample lead. Mass production runs start at 500 pieces with a 15-30 day lead time. Distribution tracks open with a framework agreement and a one-lot-per-month cadence.
Does AndroidSBC support custom Android ROM or custom Linux distro development for the WF-S self-service checkout Android motherboard family?
Answer: Yes. AndroidSBC, a Wanlin Manufacturing Group export brand, supports custom Android ROM and custom Linux distro development on the WF-S self-service checkout Android motherboard family. Custom BSP porting, custom kernel patches, and custom AOSP builds are all part of the ODM track.
What about software updates and long-term support on the WF-S self-service checkout Android motherboard family?
Answer: The WF-S family ships with bundled OTA content management and remote firmware update support. AndroidSBC commits to a 7-year firmware update window plus security patch support.
Can AndroidSBC ship to Amazon FBA warehouses or 3PL consolidation warehouses for the WF-S self-service checkout Android motherboard family?
Answer: Yes. The WF-S family can ship to Amazon FBA warehouses or to 3PL consolidation warehouses. FOB Shenzhen, CIF Port of Los Angeles, and EXW factory pricing are all available.
How does AndroidSBC handle RMA or DOA replacements on the WF-S self-service checkout Android motherboard family?
Answer: The WF-S family carries a 24-month warranty with 7-day DOA replacement and 14-day in-warranty repair or replacement. RMA paperwork is bundled with the source-factory shipment.
Contact AndroidSBC: Start Your WF-S3504 Sourcing Conversation
international market integrators can reach the AndroidSBC export desk for the WF-S self-service checkout Android motherboard family through the following channels:
- Email: Androidsbc@163.com
- Export service hotline: +8613261677119
- Website: https://www.androidsbc.com
- 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
A 1-3 day sample lead applies to United States buyers; a 15-30 day mass-production lead applies to bulk orders. AndroidSBC commits to a 7-year firmware update window on the WF-S self-service checkout Android motherboard family.
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