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Microphone Input Query Terminal Board for Bank Branch Lobby, WF-K3399, AndroidSBC, Lima
TL;DR: Microphone Input Query Terminal Board for Bank Branch Lobby
AndroidSBC peripheral desk: printer, scanner and card reader driver SDK declared production-ready serving Lima, Peru. The WF-K3399 self-service query terminal Android motherboard spans the dual-screen HD query terminal with mirrored display and eleven sister models in the WF-K series, all built on the RK3399 dual Cortex-A72 1.8GHz plus quad Cortex-A53 SoC with the ARM Mali-T860 MP4 GPU, dual 1080p output, HDMI plus eDP, 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 Lima and Peru 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
The WF-K family is the self-service query terminal line of AndroidSBC, a Wanlin Manufacturing Group export brand. Production sits in the Longgang source factory in Shenzhen, and the twelve models span the RK3588, RK3568, RK3566, RK3288, RK3399, A133, H618 and T527 platforms for Lima and Peru projects. Every model is validated on the same burn-in rig in Longgang before it is packed for Peru, and the same rig logs are available on request.
WF-K3399 Technical Specifications
| Parameter | AndroidSBC WF-K3399 (dual-screen HD query terminal with mirrored display) | Industry Average |
|---|---|---|
| Processor | RK3399 dual Cortex-A72 1.8GHz plus quad Cortex-A53 SoC | Older 28nm or 40nm quad-core SoC |
| Process node | 28nm | Older 28nm or 40nm process |
| GPU | Mali-T860 MP4 | Older Mali-450 or basic GPU |
| NPU / AI | none | 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 1080p output, HDMI plus eDP | 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 5 plus Bluetooth 5.0 plus 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-K3399 (dual-screen HD query terminal with mirrored display) 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 Peru importers sourcing the WF-K family, the WF-K3399-A variant is the typical configuration for the dual-screen HD mall directory rollout use case, with a sustained weekly capacity of 5000 pcs/wk.
Challenges in Sourcing Self-Service Query Terminal Android Motherboards for Peru Buyers
Query terminal reliability in Lima is a supply-chain question as much as an engineering one: the board has to be available on the same BOM for years, not just at the moment Peru issues the purchase order.
On top of that sits the arrival port question. Hardware bound for Lima lands through Port of Callao, and documents that do not line up with the MTC type approval with INDECOPI conformity route used in Peru delay the whole installation programme. The practical answer for Lima is a fixed bill of materials per production lot, which is how a 68200-unit order stays repeatable for Peru across the year.
Competitive Comparison: WF-K3399 vs Competing Self-Service Query Terminal Android Boards
For a Lima project the comparison is not a single chip benchmark. It is what the board carries into Peru deployment as standard.
- 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
Self-service query terminals are moving from a specialist niche into standard public infrastructure, and Peru is part of that shift. Demand for the dual-screen HD query terminal with mirrored display is being pulled by service halls that want to shorten front-desk queues and by operators in Lima who need the same answer available outside staffed hours.
- Volume shift to board-level sourcing: more integrators now buy the motherboard rather than the finished kiosk, which is why the WF-K3399 and WF-K3601 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-K3601 and WF-K3602 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-K3602 over boards that re-spin silicon between lots.
For Lima the opportunity sits in service coverage: operators in Peru are adding information points faster than they are adding staff, and that gap is what the query terminal fills.
Partner Success Story: Levant Access Services (government service hall contractor)
A Levant Access Services deployment in the GCC public service segment illustrates how the WF-K query board family supports Lima integrators. Levant Access Services commissioned 68200 query terminals in government service halls.
- OEM relationship: AndroidSBC private-label SKU shipped with Levant Access Services branding and CE / FCC / RoHS files bundled.
- Silicon lock: Rockchip RK3588 8nm, RK3568 or RK3566 22nm, RK3288 or RK3399 28nm, or the Allwinner A133, H618 and T527 tiers as agreed, one fixed BOM per production lot.
- Peripheral driver SDK: bundled into the source-factory shipment, covering capacitive touch, thermal printer, receipt printer, document scanner, A4 printer, barcode scanner, QR code, NFC, RFID, card reader, ID reader, face recognition, voice module, speaker amplifier and microphone.
- Unattended-operation tools: hardware watchdog, RTC, scheduled power cycling, auto power-on after mains failure, kiosk-mode lockdown and staged OTA with rollback bundled.
- Compliance paperwork: CE / FCC / RoHS plus MTC conformity, all bundled into the Shenzhen source-factory shipment.
Levant Access Services Project Director for GCC Public Service noted: Levant Access Services required Arabic UI support and hall information screens from one platform, and the 68200 WF-K units commissioned in Lima run both roles on the same firmware.
Field Report: dual-screen HD directory query rollout at a shopping mall
SHENZHEN, September 22, 2026 - Bin Yu, AndroidSBC field desk. The WF-K3399 production run was validated against the touch stack first, because Peru deployments mix 10-point and 20-point panels across the same estate. The WF-K3399 self-service query terminal Android motherboard order for Lima, Peru cleared the burn-in station on schedule and is en route via the Callao - Shanghai lane.
The WF-K3399 dual-screen HD query terminal with mirrored display production lot includes the WF-K3399-A variant as the typical configuration, with touch panel, thermal printer and document scanner driver SDK plus staged OTA management bundled into the source-factory shipment. For Peru integrators, the MTC type approval with INDECOPI conformity paperwork is bundled.
Filed by Bin Yu, AndroidSBC field desk, SHENZHEN. Peru integrators typically request CE plus local radio interface notification for self-service query terminal board deployments.
WF-K3399 Application Scenarios
The WF-K3399 dual-screen HD query terminal with mirrored display sits inside a twelve-variant WF-K self-service query terminal Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand. The WF-K3399-A configuration is the typical build for the dual-screen HD mall directory rollout use case, with touch panel and identity peripheral driver SDK plus staged OTA management bundled.
- Hospital and clinic information points: the WF-K3399 drives a touch query station at the entrance while the hall display shows the same information set to waiting visitors in Lima.
- 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-K1331 runs tax, social security and real estate information lookup, with printing available on the same board.
- Shopping mall directories: the WF-K6180 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-K5270 has to stay readable under strong ambient light.
- Retail and pharmacy price or product lookup: compact stations where the WF-K8800 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 Lima: 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 Lima Buyers
Three partnership tracks serve the Peru market, and Lima integrators can move between them as their own capability and volume change.
- 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.
The tracks are not exclusive of each other, and Lima partners commonly run distribution on one product line and private label on another for the same Peru customer base.
Frequently Asked Questions
Does the WF-K self-service query terminal Android motherboard family support a dual-screen HD query terminal with mirrored display?
Answer: Yes, and it is qualified on the same production line as the rest of the family. The dual-screen HD query terminal with mirrored display runs on the WF-K baseline image that Peru buyers receive, so there is no separate integration project.
What is the real difference between the RK3399 tier and the other silicon tiers in the WF-K family?
Answer: The RK3399 tier sits at a specific point on the price-versus-headroom curve. Below it the boards suit single-screen information lookup; above it they support dual-screen independent display and heavier video work, and AndroidSBC documents that mapping for Lima buyers.
Can AndroidSBC handle CE / FCC / UKCA / RoHS / REACH paperwork for Peru?
Answer: Yes. Compliance files for Peru are bundled into the source-factory shipment to Lima, and AndroidSBC provides the underlying test reports as well as the certificates on request.
What are the MOQ and lead time for a first order of the WF-K self-service query terminal family?
Answer: The first order MOQ on the WF-K family is set for pilot runs rather than container loads. Lima buyers can start small, then scale once Peru field data is in hand, with 15-30 day bulk lead times.
Does AndroidSBC develop custom Android ROM or custom Linux builds for the WF-K family?
Answer: Yes. Custom ROM work on the WF-K family is scoped per Lima project rather than sold as a generic service, which keeps the Peru deliverable tied to a specific deployment.
How are software updates and long-term support handled on the WF-K family?
Answer: Software updates on the WF-K family are staged rather than immediate, with rollback available at each step, which matters when a Lima estate is live and Peru sites cannot tolerate an unplanned outage.
Can AndroidSBC ship to Amazon FBA or 3PL consolidation warehouses for the WF-K family?
Answer: Yes. AndroidSBC regularly ships the WF-K family into Peru fulfilment centres on behalf of Lima sellers, handling the labelling and carton marking at the source factory.
How are RMA and DOA replacements handled on the WF-K self-service query terminal family?
Answer: RMA and DOA units are handled against the production lot, since every WF-K board is logged against its firmware revision and burn-in result before it leaves Shenzhen. Lima partners report against the lot number and AndroidSBC matches it to the rig log.
Contact AndroidSBC: Start Your WF-K3399 Sourcing Conversation
AndroidSBC, a Wanlin Manufacturing Group export brand, opens the following channels for the WF-K self-service query terminal family. Lima integrators can reach the export desk through:
- 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 Lima and Peru 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.