TL;DR: AOSP Android Cashier Board
AndroidSBC export compliance briefing covering the WF-S self-checkout board family serving international market, United States. The WF-S3500 self-service checkout Android motherboard spans the dual-screen self-service checkout terminal and eight sister models (WF-S3500 through WF-A1303), all built on the RK3568 quad-core ARM Cortex-A55 2.0GHz 64-bit SoC with the Mali-G52 2EE GPU and 1 TOPS NPU, dual LVDS + HDMI 4K@60fps, and Android 13 firmware support. AndroidSBC, the export arm of Wanlin Manufacturing Group, ships the WF-S family from the Longgang source factory in Shenzhen to international market and United States importers who run self-checkout, POS terminal, kiosk, dual-screen cashier, smart retail, and unmanned-store programs.

WF-S3500 Technical Specifications
| Parameter | AndroidSBC WF-S3500 (dual-screen self-service checkout terminal) |
|---|---|
| Processor | RK3568 quad-core ARM Cortex-A55 2.0GHz 64-bit SoC |
| Process node | 8nm low-power |
| GPU | ARM Mali-G52 2EE |
| NPU / AI | 1 TOPS INT8 NPU |
| Memory | 4GB LPDDR4 |
| Storage | 32GB eMMC |
| Display output | dual LVDS + HDMI 4K@60fps |
| Touch support | 10-point capacitive touch |
| Operating system | Android 13 |
| Connectivity | WiFi 6 802.11ax plus Bluetooth 5.0 plus dual Gigabit Ethernet |
| Payment peripherals | QR code scanner, NFC, barcode scanner, thermal printer, cash drawer |
| Operating temperature | -10C to 60C |
All parameters in the table above are measured at 25C ambient. The AndroidSBC WF-S3500 (dual-screen self-service checkout terminal) 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-S3500-A variant is the typical configuration for the dual-screen self-checkout kiosk use case, with a sustained weekly capacity of 5000 pcs/wk.
Global Self-Service Checkout / POS Terminal / Kiosk Market Trends
- Supermarket and convenience-store self-checkout rollouts: WF-S3501 is the typical choice for chain-store procurement.
- Food and beverage ordering kiosks and unattended stores: WF-S3501 plus the entry-tier WF-A1303 sister SKUs form the F&B ordering ladder.
- Dual-screen cashier and smart retail payment: WF-S3501 plus the dual-LVDS / dual-HDMI sister SKUs cover the dual-screen cashier segment.
These three segments represent the bulk of self-service checkout Android motherboard order volume for United States in 2025 and 2026. The WF-S family from AndroidSBC matches the segment growth pace with a 1-3 day sample lead and a 15-30 day mass-production lead.
WF-S3500 Application Scenarios
The WF-S3500 dual-screen self-service checkout terminal sits inside a nine-variant WF-S self-service checkout Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand. The WF-S3500-A configuration is the typical build for the dual-screen self-checkout kiosk use case, with payment-peripheral driver SDK and OTA content management bundled.
- Supermarket self-checkout and dual-screen POS terminal: WF-S3500 plus WF-A1303 form the supermarket front-end ladder, with 4K HDMI plus capacitive touch.
- Convenience store POS terminal and self-checkout: WF-A1301 plus WF-S3500 ship with the Allwinner A133 22nm entry tier for convenience store rollouts.
- Food and beverage ordering kiosk and self-ordering terminal: WF-A1301 plus WF-A1301 cover the F&B ordering segment.
- Smart retail payment terminal and dual-screen cashier: WF-S3500 plus WF-A1301 cover the smart retail and dual-screen cashier segment.
- Hotel self-check-in kiosk and POS terminal: WF-A1303 plus WF-S3500 ship for hospitality self-check-in programs.
- Restaurant POS terminal and self-ordering kiosk: WF-A1301 plus WF-A1301 cover the restaurant front-end.
- Self-service locker and parcel terminal: WF-S3504 is the dedicated SKU for locker and parcel programs.
- Unattended retail micro-market and unmanned store: WF-A1301 plus WF-S3504 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
Three partnership tracks are available on the WF-S self-service checkout Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand. international market integrators usually start with one track.
- 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.
The OEM track on the WF-S self-service checkout Android motherboard family typically opens with a 100-piece pilot order; the ODM track opens with a 500-piece reference design review; the distribution track opens with a framework agreement.
Does the WF-S self-service checkout Android motherboard family support dual-screen terminal?
Answer: Yes. The WF-S family from AndroidSBC ships dual-screen terminal as a stock configuration on both the Rockchip RK3568 8nm premium tier and the Allwinner A133 22nm entry tier. Payment-peripheral driver support is bundled into the source factory shipment.
What is the difference between the RK3568 Rockchip RK3568 and Allwinner A133 silicon tiers?
Answer: Rockchip RK3568 is the premium tier (Cortex-A55 2.0GHz, Mali-G52 GPU, 1 TOPS NPU). Allwinner A133 is the entry tier (Cortex-A53 1.6GHz, PowerVR GE8300 GPU). The two tiers share the Android 10 to Android 14 firmware and the CE / FCC / RoHS paperwork.
Can AndroidSBC handle CE / FCC / UKCA / RoHS / REACH paperwork for United States?
Answer: Yes. AndroidSBC bundles CE / FCC / UKCA / RoHS / REACH paperwork into the WF-S 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 (1-3 day sample lead). ODM reference design review opens at 500 pieces (15-30 day mass production). 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. The WF-S family supports custom Android ROM, custom Linux distro development, and custom AOSP builds as 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 self-service checkout Android motherboard family ships with bundled OTA content management and remote firmware update support. AndroidSBC, a Wanlin Manufacturing Group export brand, commits to a 7-year firmware update window on the WF-S family.
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 3PL consolidation warehouses. FOB Shenzhen, CIF Port of Los Angeles, and EXW factory pricing are standard.
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. DOA units are replaced within 7 days; in-warranty failures are repaired or replaced within 14 days. RMA paperwork is bundled with the source-factory shipment.
Contact AndroidSBC: Start Your WF-S3500 Sourcing Conversation
To start a WF-S self-service checkout Android motherboard sourcing conversation with AndroidSBC, international market integrators can reach the export desk 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
For international market and United States buyers, the sample lead is 1-3 days and the mass-production lead is 15-30 days. AndroidSBC, a Wanlin Manufacturing Group export brand, commits to a 7-year firmware update window on the WF-S self-service checkout Android motherboard family.