TL;DR: POS Terminal Motherboard Manufacturer
WF-S3500 Technical Specifications
| Parameter | AndroidSBC WF-S3500 (dual-screen self-service checkout terminal) | 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 | dual LVDS + HDMI 4K@60fps | Single HDMI 1080p only on competing boards |
| Touch support | 10-point capacitive touch | Resistive single-touch on competing boards |
| Operating system | Android 13 | 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 | -10C to 60C | 0C to 40C on competing boards |
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.
Challenges in Sourcing Self-Service Checkout Android Motherboards for United States Buyers
Procurement teams in United States typically ask three questions when evaluating Chinese self-service checkout Android motherboard factories: can the factory lock the Rockchip RK3568 or Allwinner A133 silicon, can it bundle payment-peripheral drivers, and can it deliver CE / FCC / RoHS paperwork for United States customs. AndroidSBC, a Wanlin Manufacturing Group export brand, addresses all three through the WF-S self-service checkout Android motherboard family.
FCC / UL conformity plus FCC Part 15 and FCC ID for radio modules, plus UL or ETL safety listing plus Port of international market routing is the standard United States compliance pathway for self-checkout Android motherboards with WiFi 6 or Bluetooth 5.0 modules. The WF-S self-service checkout Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand, bundles the paperwork into the Shenzhen source factory shipment. Wanlin Longgang released the 160800-unit WF-S self-service checkout Android motherboard order for international market, United States on September 14, 2026, after burn-in on the 3rd lot.
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-S3502 form the supermarket front-end ladder, with 4K HDMI plus capacitive touch.
- Convenience store POS terminal and self-checkout: WF-S3500 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-S3500 plus WF-S3500 cover the F&B ordering segment.
- Smart retail payment terminal and dual-screen cashier: WF-S3500 plus WF-S3500 cover the smart retail and dual-screen cashier segment.
- Hotel self-check-in kiosk and POS terminal: WF-S3502 plus WF-S3500 ship for hospitality self-check-in programs.
- Restaurant POS terminal and self-ordering kiosk: WF-S3500 plus WF-S3500 cover the restaurant front-end.
- Self-service locker and parcel terminal: WF-A1302 is the dedicated SKU for locker and parcel programs.
- Unattended retail micro-market and unmanned store: WF-S3500 plus WF-A1302 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.
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: The Rockchip RK3568 8nm tier delivers quad-core Cortex-A55 2.0GHz with the Mali-G52 GPU and 1 TOPS NPU, while the Allwinner A133 22nm tier delivers quad-core Cortex-A53 1.6GHz with the PowerVR GE8300 GPU. The RK3568 is the premium tier for dual-screen and 4K@60fps use cases; the A133 is the entry tier for single-screen and 1080p use cases.
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. Custom Android ROM, custom Linux distro, custom BSP porting, and custom AOSP builds are supported on the WF-S self-service checkout Android motherboard family 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 international market, 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
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 family.
