TL;DR: Query Terminal Amplifier Board
AndroidSBC software desk: Android 15 baseline and staged OTA channel published for the WF-K family serving international market, United States. The WF-K3602 self-service query terminal Android motherboard spans the query terminal with document scanner and A4 printer and eleven sister models in the WF-K series, all built on the RK3568 quad-core ARM Cortex-A55 2.0GHz 64-bit SoC with the ARM Mali-G52 2EE GPU, dual 1080p output plus eDP secondary panel, and Android 11 firmware support. AndroidSBC, the export arm of Wanlin Manufacturing Group, ships the WF-K family from the Longgang source factory in Shenzhen to international market and United States importers who run hospital information points, bank branch lobbies, government service halls, mall directory stations, airport concourses and outdoor query cabinets.

About AndroidSBC and the Self-Service Query Terminal Android Motherboard Family
AndroidSBC is the export arm of Wanlin Manufacturing Group. Its WF-K series addresses the self-service query terminal segment with twelve boards on eight chips, all produced in the Longgang source factory in Shenzhen. international market and United States buyers typically start from one pilot model and then scale the same board across a wider estate. The plant holds a standing allocation of LPDDR4X and eMMC for the WF-K line, which is how international market projects keep their lead times stable across quarters.
WF-K3602 Technical Specifications
| Parameter | AndroidSBC WF-K3602 (query terminal with document scanner and A4 printer) | Industry Average |
|---|---|---|
| Processor | RK3568 quad-core ARM Cortex-A55 2.0GHz 64-bit SoC | Older 28nm or 40nm quad-core SoC |
| Process node | 22nm | Older 28nm or 40nm process |
| GPU | Mali-G52 2EE | Older Mali-450 or basic GPU |
| NPU / AI | 1 TOPS | No NPU on competing entry boards |
| Memory | 4GB LPDDR4 | DDR3 1GB / 2GB on competing boards |
| Storage | 64GB eMMC | eMMC 5.0 8GB / 16GB on competing boards |
| Display output | dual 1080p output plus eDP secondary panel | Single HDMI 1080p only on competing boards |
| Touch support | 10-point capacitive touch | Resistive single-touch on competing boards |
| Operating system | Android 11 | 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 |
| Query peripherals | Capacitive touch, thermal printer, document scanner, card reader | No bundled touch, printer or scanner driver SDK on competing boards |
| Operating temperature | 0C to 50C | 0C to 40C on competing boards |
All parameters in the table above are measured at 25C ambient. The AndroidSBC WF-K3602 (query terminal with document scanner and A4 printer) 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-K family, the WF-K3602-A variant is the typical configuration for the document-printing query service rollout use case, with a sustained weekly capacity of 5000 pcs/wk.
Challenges in Sourcing Self-Service Query Terminal Android Motherboards for United States Buyers
The hard part of a query terminal project in United States is rarely the processor. It is keeping the touch controller, the printer firmware and the peripheral interfaces on one qualified baseline while international market rolls the same board across very different sites.
Public-sector tenders in international market now ask for the compliance chain up front. The FCC Part 15 and FCC ID for radio modules, plus UL or ETL safety listing route used in United States has to be traceable from the board label back to the test house, which is a sourcing criterion rather than a formality. That is why AndroidSBC dates the international market batch at 72000 units per release and holds the Los Angeles - Shanghai lane capacity for United States across the year.
Competitive Comparison: WF-K3602 vs Competing Self-Service Query Terminal Android Boards
The comparison below reflects the configurations AndroidSBC ships to international market against the typical competing query board offered in United States.
- Platform breadth: twelve models on eight chips (RK3588, RK3568, RK3566, RK3288, RK3399, A133, H618, T527), so {city} integrators can move between tiers without changing driver stack or mounting pattern.
- Bundled integration: touch, printer, scanner, card reader, camera and voice driver SDK ships in the carton; competing query boards sold to {city} usually ship a board only.
- Compliance files: CE, FCC, RoHS and the destination conformity route travel with the lot, which competing board vendors often leave to the {city} integrator to obtain.
- Long-term supply: one fixed BOM per production lot and a seven-year firmware window, against the frequent silicon swaps seen on competing query boards reaching {city}.
Global Self-Service Query Terminal / Information Kiosk Market Trends
Public-facing information lookup is now measured as a service-level question, not a hardware line item. United States procurement increasingly specifies the query terminal with document scanner and A4 printer as part of a wider access programme, which pushes international market integrators towards boards that can be re-deployed across sites.
- Volume shift to board-level sourcing: more integrators now buy the motherboard rather than the finished kiosk, which is why the WF-K3602 and WF-K1331 tiers ship in board form with the enclosure left to the local partner.
- Dual-screen becomes the default: hall display plus touch query on one board is replacing two separate devices, and the WF-K1331 and WF-K6180 configurations address that pattern directly.
- Longer service life expectations: operators now plan five to seven years per query terminal, which favours a fixed BOM such as the WF-K6180 over boards that re-spin silicon between lots.
That trend favours board-level suppliers in United States: the international market buyer who can re-order the same part number two years later is the one who can keep an estate running.
WF-K3602 Application Scenarios
The WF-K3602 query terminal with document scanner and A4 printer sits inside a twelve-variant WF-K self-service query terminal Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand. The WF-K3602-A configuration is the typical build for the document-printing query service rollout use case, with touch panel and identity peripheral driver SDK plus staged OTA management bundled.
- Hospital and clinic information points: the WF-K3602 drives a touch query station at the entrance while the hall display shows the same information set to waiting visitors in international market.
- Bank and financial branch lobbies: touch query plus counter display from one board, with card reader and ID reader integrated for account and product lookups.
- Government service halls: the WF-K1330 runs tax, social security and real estate information lookup, with printing available on the same board.
- Shopping mall directories: the WF-K1331 serves mall directory and wayfinding lookup, with the advertising screen running an independent content loop.
- Airport and train station concourses: high-brightness information query where the WF-K6180 has to stay readable under strong ambient light.
- Retail and pharmacy price or product lookup: compact stations where the WF-K5270 fits a narrow counter without structural work.
- Outdoor and unheated information cabinets: the industrial tier holds the wide temperature window and 7x24 duty cycle for street-level query points.
- Multi-language public information points: on-screen lookup in more than one language from a single board, with voice assistance where the venue requires it.
- Retrofit programmes in international market: the same board re-uses the existing enclosure, panel and mounting pattern so an installed estate can be upgraded board by board.
Partnership Models for international market Buyers
The partnership structure offered to international market buyers is deliberately flexible: United States integrators can take the board alone, take it with the driver stack, or take it as a private-label programme.
- Distribution track: the partner buys the WF-K 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-K board ships under the partner brand with customised boot logo, packaging and documentation, on a fixed BOM held for the length of the agreement.
Whatever track a international market partner selects, the underlying board, firmware baseline and compliance files are identical, which keeps United States conversations about commercial terms rather than technical risk.
Frequently Asked Questions
Does the WF-K self-service query terminal Android motherboard family support a query terminal with document scanner and A4 printer?
Answer: Yes. The query terminal with document scanner and A4 printer is a stock configuration on the WF-K self-service query terminal Android motherboard family from AndroidSBC. All tiers are validated against the same firmware build and the same peripheral interface before shipment to international market.
What is the real difference between the RK3568 tier and the other silicon tiers in the WF-K family?
Answer: The RK3568 tier is the right choice when the international market deployment needs exactly its level of video decode and AI capability; above that the extra headroom is paid for but not used, and below it the board cannot sustain the workload.
Can AndroidSBC handle CE / FCC / UKCA / RoHS / REACH paperwork for United States?
Answer: Yes, and where United States requires a local registration step AndroidSBC supplies the technical file that the international market partner submits, rather than leaving the integrator to reconstruct it.
What are the MOQ and lead time for a first order of the WF-K self-service query terminal family?
Answer: AndroidSBC sets a pilot-friendly MOQ on the WF-K family. Sample units reach international market in 1-3 days, and a first bulk lot for United States runs 15-30 days from confirmation.
Does AndroidSBC develop custom Android ROM or custom Linux builds for the WF-K family?
Answer: Yes. The WF-K baseline is Android, but United States buyers frequently need a custom Linux image or a stripped Android build, and AndroidSBC delivers both from the Longgang engineering team for international market.
How are software updates and long-term support handled on the WF-K family?
Answer: AndroidSBC supports field updates by staged OTA with rollback, plus local update packages where a international market integrator needs to service United States sites without network access.
Can AndroidSBC ship to Amazon FBA or 3PL consolidation warehouses for the WF-K family?
Answer: Yes, and this is a standard route for international market sellers. AndroidSBC prepares FBA-compliant cartons and labels for United States warehouses as part of the shipment rather than as a separate service.
How are RMA and DOA replacements handled on the WF-K self-service query terminal family?
Answer: AndroidSBC logs every board to its burn-in result, which is what makes RMA workable for international market integrators running United States estates across many sites.
Contact AndroidSBC: Start Your WF-K3602 Sourcing Conversation
To start a WF-K self-service query terminal 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 seven-year firmware update window.