NovaStar JT50 Plus for Traffic LED Displays
The NovaStar JT50 Plus combines media playback and LED sending functions for transportation information displays. Applications include tollbooth information screens, traffic guidance displays, parking systems and passenger information screens. Terminal authentication and playback verification support content security.
Technical Specifications
| Parameter | Specification |
|---|---|
| Maximum LED load | 650,000 pixels |
| Maximum width / height | 2048 pixels each, with total load within 650,000 pixels |
| LED output | 1 × Gigabit Ethernet |
| Processor | Quad-core ARM Cortex-A53, 1.4 GHz |
| RAM / internal storage | 2 GB / 32 GB |
| Video decoding | 4K hardware decoding; format-specific limits apply |
| Control ports | 1 × USB 2.0 Type A; 1 × USB Type B; 1 × 100 Mbps Ethernet; 2 × RS485 |
| Wi-Fi | 2.4 GHz; AP and AP+Sta modes |
| Audio output | 1 × 3.5 mm stereo output; fixed 48 kHz sampling rate |
| 4G | Optional module; not included by default |
| Input voltage / maximum power | DC 5 V to 12 V / 15 W |
| Operating and storage temperature | −40°C to +80°C |
| Operating and storage humidity | 0% RH to 80% RH, non-condensing |
| Dimensions / net weight | 136.5 × 110.5 × 18.0 mm / 114.1 g |
| Protection rating | IP20; protect from water intrusion |
| Relay limit | Maximum DC 30 V, 3 A |
The 4K decoding specification describes supported media, while the LED screen load remains limited to 650,000 pixels. The maximum width and height cannot both be used if their product exceeds that total.
Content Control and Connectivity
Publish programs and control displays through USB Type B, wired Ethernet or a network connection. USB Type A supports firmware upgrades from a USB drive. Supported file systems are Ext4 and FAT32; exFAT and FAT16 are not supported.
Wi-Fi AP and Sta can operate together, allowing a hotspot and a network connection at the same time. This is a dual-mode function on 2.4 GHz Wi-Fi, not a dual-band specification. Network priority is wired Ethernet, then Wi-Fi, then 4G.
Sensors, Timing and Traffic Integration
Two RS485 interfaces connect brightness or temperature/humidity sensors. Time management supports NTP, GPS with the specified 4G module, and RF with the specified RF module. The 4G module is purchased separately. The specification also lists a reserved UART connection for a third-party GPS module.
The JT50 Plus supports traffic-platform protocols and protocol switching. The relay provides a maximum DC 30 V, 3 A rating; consult the specification for wiring and avoid treating it as a direct AC switching rating.
Product Image and Specification Download

Download the JT50 Plus specification (Chinese PDF)
Frequently Asked Questions
How many pixels can the JT50 Plus control?
It supports a total LED load of up to 650,000 pixels. Maximum width and height are each 2048 pixels, but the total must stay within that loading limit.
Does 4K decoding mean the JT50 Plus can drive a 4K LED screen?
No. Decoding capability and LED output loading are different. The unit can decode supported 4K media, but its LED output is limited to 650,000 pixels.
Does JT50 Plus support dual-band Wi-Fi?
The specification lists 2.4 GHz Wi-Fi and simultaneous AP+Sta operation. It does not specify dual-band Wi-Fi.
Is the 4G module included?
No. The JT50 Plus does not include a 4G module by default. GPS timing through 4G requires the specified module; RF timing requires the specified RF module.
Can JT50 Plus connect to environmental sensors?
Yes. It has two RS485 interfaces for brightness or temperature/humidity sensors. Match the sensor and interface requirements to the intended system.




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