WL-DS1400 Technical Specifications
| Parameter | AndroidSBC WL-DS1400 Triple-Screen VOP Expansion Board | Typical Import |
|---|---|---|
| SoC Platform | Rockchip RK3588: 8nm, quad Cortex-A76 2.4GHz + quad Cortex-A55 1.8GHz, Mali-G610 MC4 GPU, 6 TOPS NPU (INT4/INT8/INT16/FP16) | Older quad-core or unbranded SoC |
| Memory & Storage | LPDDR5 16GB + 256GB eMMC | Single fixed configuration |
| Dual Display Configuration | triple independent output: 4K@60 + 1080P@60 + 1080P@60 | Clone-only output, no independent display |
| Display Interfaces | HDMI 2.1 + eDP + LVDS | Single HDMI port only |
| Touch | main screen touch, secondary USB touch support | Single touch channel or none |
| Operating System | Android 15 (GMS optional) / Linux | No documented OS support or BSP |
| Network | dual Gigabit Ethernet + WiFi 6 + Bluetooth 5.2 | WiFi-only consumer module |
| Serial & Expansion | RS232 x2, RS485, CAN FD, GPIO, USB 3.0 x3, M.2 NVMe, RTC, dual watchdog | Limited or no industrial interfaces |
| Operating Temperature | 0 C to 60 C | Unrated or 0-40 C only |
| Reliability | Hardware watchdog, auto power-on recovery, scheduled power on/off, 7x24 continuous operation design | No watchdog or recovery design |
| Form Factor | 6-layer PCB, 3.5-inch SBC form factor (Mini-ITX available for selected models) | Untested reference design |
| Software Support | Dual display BSP, device tree configuration support, dual display SDK, OTA update, custom firmware and boot animation programs | Community firmware, no support path |
Challenges in RK3588 Dual Display Board Sourcing
| Sourcing challenge | Industry problem | AndroidSBC solution |
|---|---|---|
| Clone-only dual output | Boards advertised as dual display turn out to mirror one signal to two screens, so integrators cannot show different content on each face of a kiosk or advertising cabinet | Unverified outcome removed; confirm the required evidence. |
| Interface mismatch to the panel | Buyers discover too late that the board has one HDMI port while their panel is eDP or LVDS, forcing external converters that fail in the field | HDMI 2.1, eDP, LVDS, DP 1.4 and MIPI-DSI pairings available across the line, with the interface combination matched to the panel before production |
| BSP and development dead ends | Spot-market boards arrive with no device tree documentation, no dual display SDK and no BSP support path, stalling kiosk and signage software teams for weeks | Dual display BSP with device tree configuration support, dual display SDK, AOSP build service and engineering response in English across time zones |
| No after-sales path for fleets | Spot-buy suppliers offer no OTA updates, no spare boards, no watchdog reliability design and no batch consistency, which breaks 7x24 signage networks at scale | OTA firmware program, spare parts kits, dual watchdog and auto-recovery design, batch consistency records and warranty SLAs for repeat orders |
Global Digital Signage and Dual Display Market Trends
Berg Insight counted 91.5 million installed digital signage displays worldwide in 2023 and projects 149.4 million by 2028, growth of 10.3 percent a year, driven by falling display prices and cloud CMS adoption. Berg Insight
- On-device AI moves to the screen: The 6 TOPS NPU inside RK3588-class boards runs people counting, face attributes and queue-length analytics locally, so retailers get audience data without streaming camera video to the cloud or paying per-camera analytics subscriptions.
- Video wall and multi-screen expansion: Broadcast, transit and control-room deployments keep expanding multi-screen estates, and one board driving an 1x2 or 2x2 video wall with independent or synchronized content removes the synchronizer box from the bill of materials.
- 8K signage at mainstream prices: With RK3588-class SoCs decoding 8K@60fps H.265 and AV1, premium brand spaces in Dubai, Tokyo and Las Vegas now run 8K main screens paired with 4K companion displays from one board instead of a rack of separate players.
Source: Berg Insight
AndroidSBC RK3588 Dual Display Board Application Scenarios
| Scenario | Recommended models | Key features |
|---|---|---|
| Dual-screen advertising machines and mall cabinets | WL-DS3100, WL-DS3200, WL-DS3400 | Opposite-facing or side-by-side independent content, dual 4K, PoE option |
| Digital signage networks and menu boards | WL-DS4100, WL-DS4200, WL-DS4300 | 7x24 watchdog design, OTA fleet management, 8K option |
| Dual-screen POS and self-checkout terminals | WL-DS5100, WL-DS5300, WL-DS5400 | Customer plus cashier screens, cash drawer and scanner interfaces, CAN FD |
| Self-service kiosks (ordering, ticketing, check-in) | WL-DS5300, WL-DS5200, WL-DS2400 | Dual independent touch, gesture isolation, kiosk peripherals |
| Conference rooms and interactive whiteboards | WL-DS6200, WL-DS6400, WL-DS6300 | Dual 4K to 8K output, mic arrays, MIPI cameras, lecture capture |
| Video walls and control rooms | WL-DS2400, WL-DS4400, WL-DS4300 | Quad display, 1x2/2x2 splicing, content synchronization |
| AI signage and audience analytics | WL-DS7100, WL-DS7300, WL-DS7400 | 6-18 TOPS NPU, people counting, face attributes, 4G/5G backhaul |
| Export OEM/ODM brand programs | WL-DS8100, WL-DS8200, WL-DS8400 | Per-market certifications, custom firmware, private label, GMS/EDLA |
Q: What exactly does dual-screen heterogeneous display mean on these boards?
A: The RK3588 integrates four independent VOP display engines, so one board plays completely different content on two screens at the same time — for example a 4K playlist on the main panel and a separate 1080P feed on a customer-facing or strip panel — instead of mirroring one signal like low-cost clone-only boards.
Q: Which memory, storage and interface configurations are available?
A: The featured WL-DS1400 is available as LPDDR5 16GB + 256GB eMMC, and the full WL-DS line runs from LPDDR4X 4GB + 16GB eMMC entry boards to LPDDR5 32GB + 256GB eMMC flagships with M.2 NVMe expansion. Buyers match the memory configuration, display interface pairing (HDMI 2.1, eDP, LVDS, DP 1.4, MIPI-DSI) and operating system to the panel and application before production.
Q: What development support comes with the boards?
Q: Can the boards survive outdoor and industrial environments?
A: Selected models such as the WL-DS2200, WL-DS2300 and WL-DS2400 run at -20 C to 70 C or even -40 C to 85 C, with fanless heatsink design, hardware watchdog, auto power-on recovery and ESD protection for semi-outdoor mall, concourse and industrial deployments.
Contact AndroidSBC: Start Your RK3588 Dual Display Board Sourcing Project
For wholesale pricing, sample requests, certification documentation, OEM and private-label customization, and partnership discussions in Chicago and USA:
- Email: Androidsbc@163.com
- Export Hotline: +8613261677119
- Website: www.androidsbc.com
- Shenzhen HQ: Wanlin Group, Building B, Building 1, Beisida Medical Device Building, 28 Nantong Avenue, Baolong Community, Baolong Sub-district, Longgang District, Shenzhen, Guangdong, China
- Agree support hours, supported languages, response targets and escalation responsibilities in the written project scope.
