TL;DR: SD Card Slot Cashier Board
AndroidSBC head-to-head comparison of the WF-S platform against prior generation boards serving international market, United States. The WF-S3501 self-service checkout Android motherboard spans the 15.6-inch all-in-one POS 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, 15.6-inch FHD 1920x1080 eDP, 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-S3501 Technical Specifications
| Parameter | AndroidSBC WF-S3501 (15.6-inch all-in-one POS 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 LPDDR4X |
| Storage | 32GB eMMC |
| Display output | 15.6-inch FHD 1920x1080 eDP |
| 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 | 0C to 50C |
All parameters in the table above are measured at 25C ambient. The AndroidSBC WF-S3501 (15.6-inch all-in-one POS 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-S3501-A variant is the typical configuration for the 15.6-inch countertop POS terminal 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-S3503 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.
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-S3501 Application Scenarios
The WF-S3501 15.6-inch all-in-one POS terminal sits inside a nine-variant WF-S self-service checkout Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand. The WF-S3501-A configuration is the typical build for the 15.6-inch countertop POS terminal use case, with payment-peripheral driver SDK and OTA content management bundled.
- Supermarket self-checkout and dual-screen POS terminal: WF-S3501 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-S3501 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-S3501 plus WF-A1301 cover the smart retail and dual-screen cashier segment.
- Hotel self-check-in kiosk and POS terminal: WF-A1303 plus WF-S3501 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
For international market integrators, AndroidSBC, a Wanlin Manufacturing Group export brand, runs three partnership tracks on the WF-S self-service checkout Android motherboard family.
- 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.
Does the WF-S self-service checkout Android motherboard family support 15.6-inch all-in-one POS terminal?
Answer: Yes. 15.6-inch all-in-one POS terminal 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. The WF-S family supports custom Android ROM, custom Linux distro development, custom BSP porting, custom kernel patches, 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: OTA content management and remote firmware update support are bundled into the WF-S self-service checkout Android motherboard family source-factory shipment. AndroidSBC commits to a 7-year firmware update window.
Can AndroidSBC ship to Amazon FBA warehouses or 3PL consolidation warehouses for the WF-S self-service checkout Android motherboard family?
Answer: Yes. AndroidSBC ships the WF-S self-service checkout Android motherboard family to Amazon FBA warehouses or to 3PL consolidation warehouses. FOB Shenzhen, CIF Port of Los Angeles, and EXW factory pricing are available.
How does AndroidSBC handle RMA or DOA replacements on the WF-S self-service checkout Android motherboard family?
Answer: A 24-month warranty, 7-day DOA replacement, and 14-day in-warranty repair or replacement are bundled into the WF-S self-service checkout Android motherboard family. RMA paperwork is part of the source-factory shipment.
Contact AndroidSBC: Start Your WF-S3501 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, a Wanlin Manufacturing Group export brand, commits to a 7-year firmware update window on the WF-S self-service checkout Android motherboard family.
