E24 control for bus rear LED displays
The Sysolution E24 supports wireless program delivery and remote group management for vehicle LED screens. Its Qualcomm MSM8909 platform includes 1 GB LPDDR3 memory and 8 GB eMMC storage. A built-in web server allows local program editing, and Easyboard is listed for configuration.
Plan the screen around the E24’s 256 × 32 load and documented display interfaces. Separate “Passenger” and “No passenger” connections are listed for vehicle integration; use the interface diagram to confirm the signals. Check the China cellular band set, matching sensors and cable clearance before fitting the board into an enclosure.
Technical specifications
| Parameter | Specification |
|---|---|
| Model / application | Sysolution E24 dedicated controller for bus rear LED screens |
| LED layout | 256 × 32 pixels; cascading receiving cards are not supported |
| LED interfaces | Feature list: 4+1 HUB75E interfaces; load table describes four display interfaces |
| Module scan support | Full-color static through 32-scan modules |
| Vehicle-status interfaces | Independent “Passenger” and “No passenger” interfaces listed |
| Platform / CPU | Qualcomm MSM8909; quad-core 32-bit A7 at 1.1 GHz |
| GPU | A307 at 409.6 MHz |
| Memory / storage | 1 GB LPDDR3 + 8 GB eMMC |
| Operating system | Android 5.1 |
| Communication | 4G, Wi-Fi and USB drive |
| Wi-Fi | IEEE 802.11b/g/n, 2.4 GHz; AP and Station modes |
| Positioning | GPS, BeiDou and GLONASS |
| China cellular bands | FDD-LTE B1/3; TDD-LTE B38/39/40/41; TD-SCDMA B34/39; WCDMA B1/8; CDMA 1X/EVDO BC0; GSM B3/5/8 |
| Content / monitoring | Audio, camera, weather display and screen-content readback supported |
| Management / development | Cloud group control, built-in local web server and secondary development support |
| Configuration software | Easyboard |
| Working voltage | 4.5–5.5 V |
| Maximum current / power | 2 A / 10 W |
| Working temperature | −20 to +70 °C |
| Storage temperature | −20 to +70 °C; recommended +5 to +35 °C |
| Working humidity | 10–90%, non-condensing |
| Dimensions | 150 × 82 × 19 mm; height after cable connection 22.5 mm |
| Weight | 400 g |
| Accessories | Standard: one 0.3 m Wi-Fi patch antenna and one 0.3 m 4G patch antenna. Optional: RL1 brightness sensor line and G10 0.8 m GPS antenna. |
Product images and specification download

Download specification:
Sysolution E24 Dedicated Control Card For Bus Rear Screen Specification
Frequently asked questions
What LED layout does the E24 support?
The E24 datasheet specifies 256 × 32 pixels and states that cascading receiving cards are not supported. Check the screen dimensions, four display-interface connections and module scan type before installation.
Is E24 interchangeable with the E26 taxi-top controller?
Do not assume interchangeability. This E24 specification gives a 256 × 32 layout and 4+1 HUB75E interface description, while E26 has different load and interface specifications. Match the actual display and wiring to the chosen model.
What vehicle-status interfaces are listed?
The feature list identifies separate “Passenger” and “No passenger” interfaces. Verify their pin definitions and signal requirements against the interface diagram before connecting vehicle signals.
Can the E24 use 4G outside China?
The published specification lists China cellular bands. Check those bands against the intended operator and confirm the installed modem before overseas use. Wi-Fi AP/Station modes and USB-drive communication are also documented.
What clearance and power does the E24 need?
The working-voltage range is 4.5–5.5 V, with 2 A maximum current and 10 W maximum power. Dimensions are 150 × 82 × 19 mm, increasing to 22.5 mm in height after the cable is plugged in.




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