TL;DR: M.2 NVMe SSD Query Board for Clinic Reception
AndroidSBC peripheral desk: printer, scanner and card reader driver SDK declared production-ready serving Manama, Bahrain. 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 Manama and Bahrain 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
Wanlin Manufacturing Group has supplied board-level hardware to overseas integrators for years, and the WF-K self-service query terminal line is its dedicated query answer. Twelve models, eight platforms, one Longgang production base in Shenzhen, and a single peripheral driver SDK that Manama teams flash once and reuse across projects. The plant holds a standing allocation of LPDDR4X and eMMC for the WF-K line, which is how Manama projects keep their lead times stable across quarters.
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 Bahrain 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 Bahrain Buyers
Self-service query terminals in Manama live in public space, which means the board must tolerate dust, unskilled handling and long unattended hours, not just meet a datasheet in a Bahrain laboratory.
The compliance route matters as much as the silicon. Bahrain expects TRA type approval for radio and telecom terminal equipment, and a query terminal board shipped to Manama without that file set simply cannot be installed in a public building. AndroidSBC resolves it by locking one BOM for the Manama lot of 59900 units and shipping it through the Bahrain - Jebel Ali corridor on September 22, 2026.
Competitive Comparison: WF-K3399 vs Competing Self-Service Query Terminal Android Boards
The comparison below reflects the configurations AndroidSBC ships to Manama against the typical competing query board offered in Bahrain.
- 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. Bahrain procurement increasingly specifies the dual-screen HD query terminal with mirrored display as part of a wider access programme, which pushes Manama 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-K3399 and WF-K8800 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-K8800 and WF-K8801 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-K8801 over boards that re-spin silicon between lots.
That trend favours board-level suppliers in Bahrain: the Manama buyer who can re-order the same part number two years later is the one who can keep an estate running.
Partner Success Story: Loire Accueil Numerique (public service reception specialist)
A recent Loire Accueil Numerique deployment in the France public service segment shows how the WF-K self-service query terminal Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand, supports Manama integrators. Loire Accueil Numerique installed 59900 query terminals in public reception halls.
- OEM relationship: AndroidSBC private-label SKU shipped with Loire Accueil Numerique 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 TRA Bahrain conformity, all bundled into the Shenzhen source-factory shipment.
According to Loire Accueil Numerique Directeur Technique for France Public Service: Loire Accueil Numerique paired an entrance touch terminal with a high-brightness hall display, and the 59900 WF-K units shipped to Manama arrived as a matched pair on one board.
Field Report: dual-screen HD directory query rollout at a shopping mall
SHENZHEN, September 22, 2026 - Hong Mei, AndroidSBC field desk. The WF-K3399 batch was logged against the firmware revision before packing, so Bahrain sites can be matched to a known build. The WF-K3399 self-service query terminal Android motherboard order for Manama, Bahrain cleared the burn-in station on schedule and is en route via the Bahrain - Jebel Ali 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 Bahrain integrators, the TRA Bahrain conformity plus TRA type approval for radio and telecom terminal equipment paperwork is bundled.
Filed by Hong Mei, AndroidSBC field desk, SHENZHEN. Bahrain 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 Manama.
- 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-K3600 runs tax, social security and real estate information lookup, with printing available on the same board.
- Shopping mall directories: the WF-K3601 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-K3602 has to stay readable under strong ambient light.
- Retail and pharmacy price or product lookup: compact stations where the WF-K3566 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 Manama: 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 Manama Buyers
The partnership structure offered to Manama buyers is deliberately flexible: Bahrain 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.
For Manama integrators the choice usually comes down to how much of the Bahrain project the local team wants to own versus how much it wants the factory to carry.
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. The dual-screen HD query terminal with mirrored display is supported out of the factory image, and AndroidSBC validates it again on the production lot before the Bahrain shipment leaves Shenzhen.
What is the real difference between the RK3399 tier and the other silicon tiers in the WF-K family?
Answer: The difference is workload envelope, not compatibility. A board on the RK3399 tier runs the same factory image as the rest of the WF-K family, which keeps spare parts interchangeable across a Bahrain estate.
Can AndroidSBC handle CE / FCC / UKCA / RoHS / REACH paperwork for Bahrain?
Answer: Yes. The conformity pack for Bahrain is prepared by the factory, not by the Manama integrator, which removes the usual delay between arrival and installation.
What are the MOQ and lead time for a first order of the WF-K self-service query terminal family?
Answer: AndroidSBC keeps the first-order MOQ low specifically so Manama integrators can test the board inside a real Bahrain project before placing an estate-scale order.
Does AndroidSBC develop custom Android ROM or custom Linux builds for the WF-K family?
Answer: Yes, and this is one of the most common requests from Manama integrators. Custom boot behaviour, pre-installed applications, kiosk-mode restrictions and custom Linux images are all handled at the factory for Bahrain projects.
How are software updates and long-term support handled on the WF-K family?
Answer: Updates are delivered through a staged OTA channel with rollback support, and Manama integrators decide when a Bahrain estate moves to a new build rather than being pushed onto it.
Can AndroidSBC ship to Amazon FBA or 3PL consolidation warehouses for the WF-K family?
Answer: Yes. AndroidSBC ships to Amazon FBA and 3PL consolidation warehouses, including labelling, carton marking and pallet configuration matched to the Bahrain destination that Manama buyers specify.
How are RMA and DOA replacements handled on the WF-K self-service query terminal family?
Answer: DOA units are replaced from the next available lot, and RMA cases are tracked by lot number. For Manama integrators this keeps Bahrain deployments serviceable without holding large local stock.
Contact AndroidSBC: Start Your WF-K3399 Sourcing Conversation
For the WF-K self-service query terminal Android motherboard family, AndroidSBC, a Wanlin Manufacturing Group export brand, opens the following channels to Manama integrators:
- 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 Bahrain buyers and a 15-30 day mass-production lead to bulk orders. AndroidSBC, a Wanlin Manufacturing Group export brand, commits to a seven-year firmware update window on the WF-K family.
