RS485 Serial Guide Terminal Board, WF-G3399, AndroidSBC, Nashville

TL;DR: RS485 Serial Guide Terminal Board

AndroidSBC peripheral desk: guide kiosk touch, scanner and printer driver SDK declared production-ready serving Nashville, United States. The WF-G3399 smart guide kiosk Android motherboard spans the dual-screen high-definition guide kiosk and eleven sister models in the WF-G series, all built on the RK3399 dual Cortex-A72 1.8GHz plus quad Cortex-A53 64-bit SoC with the ARM Mali-T860 MP4 GPU, dual HDMI 2.0 4K output plus eDP, and Android 11 firmware support. AndroidSBC, the export arm of Wanlin Manufacturing Group, ships the WF-G family from the Longgang source factory in Shenzhen to Nashville and United States importers who run mall directory, wayfinding, information point, dual-screen promotion, interactive display and outdoor smart city programmes.

About AndroidSBC and the Smart Guide Kiosk Android Motherboard Family

AndroidSBC builds the WF-G smart guide kiosk Android motherboard family in Longgang, Shenzhen for Nashville and United States buyers. Twelve models cover the range: WF-G8800 and WF-G8801 on the Rockchip RK3588 8nm octa-core platform for multi-screen directories and AI product advisory walls, WF-G3600 through WF-G3602 on the RK3568 22nm quad-core Cortex-A55 2.0GHz platform for dual-screen mall guides and public venue wayfinding, WF-G3566 on the RK3566 22nm part for compact countertop enquiry terminals, WF-G3288 and WF-G3399 on the 28nm RK3288 and RK3399 platforms for legacy estate refreshes and hotel lobby directories, WF-G1330 and WF-G1331 on the Allwinner A133 22nm entry tier for price check and promotional screens, WF-G6180 on the Allwinner H618 28nm signage platform, and WF-G5270 on the Allwinner T527 22nm octa-core industrial part with a 2 TOPS NPU and a -40C to 85C silicon rating for outdoor pillars. United States importers can mix tiers inside one estate because every model shares one firmware baseline. For United States importers the working rhythm in Nashville is a sample lot in 1-3 days, an OEM pilot from 100 pieces and a 15-30 day mass-production window once the BOM is signed off.

WF-G3399 Technical Specifications

All parameters in the table above are measured at 25C ambient. The AndroidSBC WF-G3399 (dual-screen high-definition guide kiosk) 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-G family, the WF-G3399-A variant is the typical configuration for the hotel lobby and resort directory terminal use case, with a sustained weekly capacity of 5000 pcs/wk.

Challenges in Sourcing Smart Guide Kiosk Android Motherboards for United States Buyers

The eighth obstacle is thermal and enclosure fit. United States deployments put boards inside sealed floor-standing kiosks, wall-mounted slim housings or shaded outdoor pillars, and the operating temperature on the marketing sheet rarely matches the enclosure it has to live in.

Dual-screen behaviour is a factory-set option. The WF-G family supports independent video paths across LVDS, eDP, MIPI DSI and HDMI on the RK3588, RK3568 and T527 tiers, and AndroidSBC validates the panel pairing before the lot ships to Nashville, with FCC / UL conformity and FCC Part 15 and FCC ID for radio modules, plus UL or ETL safety listing documentation attached for United States importers at Port of Los Angeles. For Nashville and United States the Los Angeles - Shanghai lane remains the working option, and 49200 boards are booked on it as of September 18, 2026, the 5th such release this cycle.

Competitive Comparison: WF-G3399 vs Competing Smart Guide Kiosk Android Boards

AndroidSBC positions the WF-G family on breadth rather than on a single benchmark number: eight silicon options, twelve models, one driver package and one update channel. That framing is what Nashville and United States procurement teams compare against a two-tier competitor line-up.

• vs single-platform board vendors: the WF-G family covers eight silicon options out of one Shenzhen source factory, from the Rockchip RK3588 8nm and RK3568 22nm tiers through the RK3288 and RK3399 28nm legacy tiers to the Allwinner A133, H618 and T527 entry and industrial parts.
• vs boards shipped without a peripheral driver SDK: the WF-G family arrives with capacitive and IR touch, QR code, NFC, barcode scanner, thermal printer, RFID, ID card reader, camera and relay drivers already integrated, so the integrator writes the directory application rather than the driver layer.
• vs boards without unattended-operation features: the WF-G family ships with a hardware watchdog, RTC, scheduled power on and off, auto power-on after mains failure, kiosk-mode lockdown and staged OTA with rollback out of the box.
• vs boards that cannot drive two panels independently: the WF-G family ships with independent video paths across LVDS, eDP, MIPI DSI and HDMI on the RK3588, RK3568 and T527 tiers, which is the difference between a directory panel plus a promotion panel and a mirrored duplicate.

Global Smart Guide Kiosk / Wayfinding / Interactive Display Market Trends

The outdoor and semi-outdoor slice is the fastest-moving part of the guide kiosk category. Smart city programmes across United States are specifying information pillars for street level, transit interchanges and park entrances, and the constraint has moved from the touch panel to the board that has to run the directory, the network uplink and the thermal budget at once. Nashville integrators are specifying the dual-screen high-definition guide kiosk tier against that reality rather than against an indoor datasheet.

• Mall floor directories and tenant finders: WF-G3399 is the usual starting point for shopping centre rollouts, with the dual-screen WF-G8801 as the directory plus promotion option.
• Transit, hospital and campus wayfinding banks: the mid-tier WF-G8801 and the industrial WF-G3600 sister SKUs form the public venue ladder, with route planning and multi-language content.
• Promotional walls and in-venue signage networks: WF-G3600 and the entry-tier sister SKUs cover continuous-play directory and campaign screens across a venue estate.

These figures are used by AndroidSBC as a demand baseline for United States planning, not as a projection for any single Nashville programme.

Partner Success Story: Hanul Venue Services (mall and exhibition service provider)

The Hanul Venue Services case in the Korea commercial venues segment is a working example of how the WF-G family from AndroidSBC supports Nashville integrators. Hanul Venue Services installed 49200 WF-G directory and exhibition guide boards across a commercial venue network.

• OEM relationship: AndroidSBC private-label SKU shipped with Hanul Venue 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 and IR touch, QR code, NFC, barcode scanner, thermal printer, RFID, ID card reader, camera and relay modules.
• 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 FCC / UL conformity, all bundled into the Shenzhen source-factory shipment.

As Hanul Venue Services Digital Operations Head for Korea Commercial Venues put it: Hanul Venue Services rolled 49200 units into its United States venue estate because the directory and wayfinding interface on the WF-G board let each Nashville site connect floor plans to tenant data without custom firmware work.

Field Report: lobby directory terminal installation at a business hotel group

SHENZHEN, September 18, 2026 - Liang Shu, AndroidSBC field desk. The lot passed a 24-hour burn-in loop before release, with WF-G3399 boards running the dual-screen high-definition guide kiosk image at full display load inside the enclosure mock-up. The WF-G3399 smart guide kiosk Android motherboard order for Nashville, United States cleared the burn-in station on schedule and is en route via the Los Angeles - Shanghai lane.

The WF-G3399 dual-screen high-definition guide kiosk production lot includes the WF-G3399-A variant as the typical configuration, with payment-peripheral driver SDK and OTA content management bundled into the source-factory shipment. For United States integrators, the FCC / UL conformity plus FCC Part 15 and FCC ID for radio modules, plus UL or ETL safety listing paperwork is bundled.

Filed by Liang Shu, AndroidSBC field desk, SHENZHEN. FCC Part 15B Class B plus UL 60950-1 listing are the typical anchors; big-box retail chains source self-checkout boards under multi-year framework agreements.

WF-G3399 Application Scenarios

The WF-G3399 dual-screen high-definition guide kiosk sits inside a twelve-variant WF-G smart guide kiosk Android motherboard family from AndroidSBC, a Wanlin Manufacturing Group export brand. The WF-G3399-A configuration is the typical build for the hotel lobby and resort directory terminal use case, with payment-peripheral driver SDK and OTA content management bundled.

• Shopping centre floor directories and tenant finders: WF-G3399 plus WF-G3601 form the mall-side directory ladder, with independent dual display output and 4K HDMI.
• Compact countertop enquiry and price check terminals: WF-G3602 plus WF-G3399 are the usual pairing where housing depth is limited and the BOM target is fixed.
• Transit, hospital and campus wayfinding banks: WF-G3566 is the dedicated public venue SKU, with route planning, multi-language content and a -20C to 70C window.
• AI product advisory walls and virtual try-on mirrors: WF-G3288 plus WF-G3601 cover the vision and recommendation workload on the device.
• Promotional walls and in-venue signage networks: WF-G3602 plus WF-G3288 ship for continuous-play directory and campaign screens tied to a content calendar.
• Hotel, resort and casino lobby directories: WF-G3601 plus WF-G3566 carry the guest orientation flow in Nashville.
• Exhibition and museum interpretive display points: WF-G3399 is the compact SKU for exhibit-side content and catalogue browsing.
• Outdoor smart city information pillars: WF-G3288 is positioned for street-level and park cabinets where the temperature range has to hold.
• Venue programmes running in Nashville: mall directories, supermarket price check, pharmacy enquiry, transit wayfinding, hospital orientation, hotel lobby guides, museum exhibits, campus directories and outdoor information pillars.

Partnership Models for Nashville Buyers

Three partnership models are open on the WF-G smart guide kiosk Android motherboard family for Nashville and United States, and they differ in how much of the design the partner owns.

• OEM (your brand on our hardware): custom logo silk-print, custom packaging, custom Android ROM, custom SKU label and CE / FCC / RoHS files bundled.
• ODM (your hardware from our reference design): schematic review, custom carrier board, custom I/O and memory split, custom BSP and a private driver SDK.
• Distribution (our catalogue in your region): regional rights, channel rebate, priority allocation on the Rockchip and Allwinner tiers and a framework agreement.

One production line in Longgang serves all three tracks, so a Nashville partner who starts on the distribution track and later commissions an ODM design stays on the same United States supply chain.

Frequently Asked Questions

Does the WF-G smart guide kiosk Android motherboard family support a dual-screen high-definition guide kiosk?

Answer: Yes. The dual-screen high-definition guide kiosk is a stock configuration on the WF-G family across the Rockchip premium, mid and legacy tiers and the Allwinner entry and industrial tiers, with capacitive and IR touch, QR, NFC, printer and scanner driver support bundled into the source-factory shipment.

What is the real difference between the RK3399 tier and the other silicon tiers in the WF-G family?

Answer: The RK3399 tier in the WF-G family is one of eight. Rockchip RK3588 8nm runs octa-core Cortex-A76 2.4GHz plus Cortex-A55 with the Mali-G610 MP4 GPU and 6 TOPS NPU. RK3568 22nm runs quad-core Cortex-A55 2.0GHz with the Mali-G52 2EE GPU and 1 TOPS NPU, and RK3566 22nm runs the same core at 1.8GHz with 0.8 TOPS. RK3288 28nm is quad-core Cortex-A17 1.8GHz 32-bit with the Mali-T764 GPU, and RK3399 28nm is dual Cortex-A72 plus quad Cortex-A53 with the Mali-T860 MP4. Allwinner A133 and H618 are 22nm and 28nm quad-core Cortex-A53 entry parts, and Allwinner T527 is a 22nm octa-core Cortex-A55 industrial part with the Mali-G57 MC1 GPU and a 2 TOPS NPU.

Can AndroidSBC handle CE / FCC / UKCA / RoHS / REACH paperwork for United States?

Answer: Yes. AndroidSBC ships the WF-G family with CE, FCC, UKCA, RoHS and REACH documentation, plus FCC / UL conformity and the FCC Part 15 and FCC ID for radio modules, plus UL or ETL safety listing file set for United States. The paperwork travels with the Port of Los Angeles shipment rather than arriving as a follow-up email.

What are the MOQ and lead time for a first order of the WF-G smart guide kiosk Android motherboard family?

Answer: One board can be ordered as a sample on the WF-G family, shipped in 1-3 days. Private label starts at 100 pieces, custom carrier board work at 500 pieces, and volume production is quoted at 15-30 days from the signed BOM.

Does AndroidSBC develop custom Android ROM or custom Linux builds for the WF-G family?

Answer: Yes. AndroidSBC develops custom firmware in-house at the Longgang facility, covering AOSP builds, kernel drivers, boot animation, pre-installed apps and OTA staging logic. The United States team receives the build tree, not just a binary image.

How are software updates and long-term support handled on the WF-G family?

Answer: Updates are staged, not pushed blind. The WF-G family ships with a staged OTA channel, rollback, remote configuration and device telemetry, so aa United States estate can be updated site by site and a bad build can be reversed before it reaches the whole fleet.

Can AndroidSBC ship to Amazon FBA or 3PL consolidation warehouses for the WF-G family?

Answer: Yes. For Nashville distributors the export desk can route the WF-G lot to a consolidation warehouse or FBA intake, with the FCC / UL conformity file and the commercial invoice prepared to the destination requirement in United States.

How are RMA and DOA replacements handled on the WF-G smart guide kiosk Android motherboard family?

Answer: Yes. For the WF-G family AndroidSBC replaces DOA boards from buffer stock and repairs or replaces RMA units in-house, with the failure analysis returned to the Nashville integrator so the same fault does not recur on the next lot.

Contact AndroidSBC: Start Your WF-G3399 Sourcing Conversation

AndroidSBC, a Wanlin Manufacturing Group export brand, opens the following channels for the WF-G smart guide kiosk Android motherboard family. Nashville 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

A 1-3 day sample lead applies to United States buyers and a 15-30 day mass-production lead to bulk orders. AndroidSBC commits to a seven-year firmware update window on the WF-G family.