TL;DR: POS Board HDMI Output
AndroidSBC sourcing desk: dual-screen POS board pricing held flat through the current quarter serving international market, United States. The WF-P3399 POS Android motherboard spans the dual-screen high definition POS with 4K promotion wall and eleven sister models in the WF-P series, all built on the RK3399 dual Cortex-A72 1.8GHz plus quad Cortex-A53 SoC with the ARM Mali-T860 MP4 GPU, HDMI 2.0 plus eDP output at 4K@60Hz, and Android 11 firmware support. AndroidSBC, the export arm of Wanlin Manufacturing Group, ships the WF-P family from the Longgang source factory in Shenzhen to international market and United States importers who run supermarket checkout lanes, convenience counters, restaurant tills, hotel front desks, fuel forecourt cabinets and unattended payment kiosks.

WF-P3399 Technical Specifications
| Parameter | AndroidSBC WF-P3399 (dual-screen high definition POS with 4K promotion wall) |
|---|---|
| Processor | RK3399 dual Cortex-A72 1.8GHz plus quad Cortex-A53 SoC |
| Process node | 28nm |
| GPU | Mali-T860 MP4 |
| NPU / AI | none |
| Memory | 4GB LPDDR4 |
| Storage | 64GB eMMC |
| Display output | HDMI 2.0 plus eDP output at 4K@60Hz |
| Touch support | 10-point capacitive touch |
| Operating system | Android 11 |
| Connectivity | WiFi 5 plus Bluetooth 5.0 plus Gigabit Ethernet |
| POS peripherals | Thermal printer, receipt printer, barcode scanner, cash drawer, customer display |
| Operating temperature | 0C to 50C |
All parameters in the table above are measured at 25C ambient. The AndroidSBC WF-P3399 (dual-screen high definition POS with 4K promotion wall) 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-P family, the WF-P3399-A variant is the typical configuration for the flagship store checkout plus media wall use case, with a sustained weekly capacity of 5000 pcs/wk.
Global POS Terminal and Smart Checkout Market Trends
Two forces drive the United States POS hardware cycle. The first is the shift to contactless and wallet payments, which pushes the NFC reader and the payment kernel onto the board itself. The second is the regulatory floor - EMV, PCI DSS and national fiscal rules - which forces an upgrade on a timetable the merchant does not control.
- Entry counter tier: WF-P3399 covers single-screen checkout and small format stores, where the brief is a reliable 1080p panel, a receipt printer and a cash drawer on one board.
- Dual-screen mainstream tier: WF-P7600 drives the cashier screen and the customer display independently, which is the configuration most restaurant and supermarket rollouts standardise on.
- AI and unattended tier: WF-P7601 carries the NPU, the wide temperature window and the watchdog behaviour that face payment counters and outdoor cabinets require.
For international market buyers the reading is straightforward: the market is growing on replacement, not on first-time installation, so the board that wins is the one that fits the enclosure already on the counter.
WF-P3399 Application Scenarios
The WF-P3399 dual-screen high definition POS with 4K promotion wall sits inside a twelve-variant WF-P POS Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand. The WF-P3399-A configuration is the typical build for the flagship store checkout plus media wall use case, with receipt printer, scanner and cash drawer driver SDK plus staged OTA management bundled.
- Supermarket and hypermarket checkout: the WF-P3399 drives the cashier screen while the second lane carries the customer display or the promotion wall in international market.
- Convenience and small format stores: the WF-P7602 fits a narrow counter with a receipt printer, a barcode scanner and a cash drawer on one board.
- Restaurants and quick service: the WF-P3600 runs the order screen plus a kitchen display output, with the customer display showing the order total.
- Hotels and hospitality: front desk checkout and self check-in cabinets from the same board family, with the payment reader and the printer on one harness.
- Unattended retail and vending: the WF-P3601 holds a 7x24 duty cycle in a cabinet with no staff to reset it.
- Fuel forecourts and parking: the WF-P3602 runs the outdoor payment cabinet, where the wide temperature window and the watchdog matter more than raw CPU.
- Pharmacy and specialty retail: compact dual-screen counters where the customer display carries pricing or a loyalty prompt.
- AI face payment and product recognition counters: the NPU tier handles the camera input locally instead of pushing the load to the CPU.
- Retrofit programmes in international market: the same board re-uses the existing enclosure, panel and counter harness, so an installed estate can be upgraded lane by lane.
Partnership Models for international market Buyers
AndroidSBC runs three commercial tracks on the WF-P family, and international market partners usually start on one and move to another as volume builds.
- Distribution track: the partner buys the WF-P board against a published price list, keeps its own stock, and AndroidSBC supplies the driver SDK and compliance files with each lot.
- Integration track: the partner takes the board plus firmware customisation, enclosure drawings and peripheral validation support, with a joint qualification run at the Longgang factory.
- Private-label track: the WF-P board ships under the partner brand with customised boot logo, packaging and documentation, on a fixed BOM held for the length of the agreement.
Whether United States partners take distribution, integration or private label, the WF-P board underneath carries the same serialised test record.
Does the WF-P POS Android motherboard family support a dual-screen high definition POS with 4K promotion wall?
Answer: Yes. AndroidSBC validates dual-screen high definition POS with 4K promotion wall on the bench with the actual peripherals the international market partner intends to use, and the result is written into the shipment file.
Which silicon tiers are available in the WF-P family for United States buyers?
Answer: Available tiers are RK3576, RK3568, RK3566, RK3288, RK3399, A133, H618 and T527. AndroidSBC holds one fixed BOM per lot, so the international market partner always knows which tier is shipping.
Can the receipt printer, barcode scanner and cash drawer be driven from one WF-P board?
Answer: Yes. AndroidSBC validates the exact combination on the Longgang bench using the international market partner printer and scanner models, and the validated configuration is locked as the production reference.
What is the minimum order quantity and the sample lead time for United States?
Answer: Sample lead is 1-3 days and mass production is 15-30 days. MOQ depends on the track - distribution partners work from the price list, private-label SKUs are agreed per configuration.
Is custom ROM, boot logo or pre-installed app development available?
Answer: Yes. AndroidSBC provides custom Android AOSP builds, custom boot animation and logo, pre-installed apps, custom UI, BSP porting and SDK modules, all built against a frozen BOM.
How are firmware updates delivered to a United States estate after deployment?
Answer: The OTA channel is staged and reversible. A international market chain pushes to a pilot group first, and if a printer or drawer regression appears the image rolls back to the previous build.
What shipping terms does AndroidSBC support for United States orders?
Answer: The export desk quotes FOB Shenzhen, CIF and EXW, handles customs clearance, and ships globally. The international market partner picks the term and AndroidSBC books the lane.
What happens if a board fails in the field in United States?
Answer: Failures are handled against the serialised test record. AndroidSBC traces the unit to its lot, confirms the BOM, and ships a replacement from the international market call-off stock or the next production slot.
Contact AndroidSBC: Start Your WF-P3399 Sourcing Conversation
international market integrators can reach the AndroidSBC export desk for the WF-P POS board 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 to bulk orders, and a seven-year firmware update window to the WF-P family.