K21 Sending Card with Cellular Communication
The XIXUN K21 is an asynchronous cascading sending card for full-color LED displays. Its onboard WCDMA/GPRS modem adds cellular connectivity to the listed Ethernet, serial and USB communication options. Hardware video decoding and HCP4 program readback are supported.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model / type | K21 / asynchronous cascading sending card |
| Pixel-capacity discrepancy | Feature text: fixed 640 × 256; parameter table: maximum 1200 × 256. Confirm the applicable configuration. |
| Cellular modem | Onboard; WCDMA/GPRS listed |
| HUB arrangement | One HUB per sending card and one HUB per receiving card |
| Display type | Full color |
| Onboard flash | 500 MB |
| Storage expansion | USB |
| Grayscale | 4,096 levels |
| Scan support | Scan types within 1/16 |
| Communication ports | Ethernet, serial and USB |
| Audio | Optional USB sound card |
| Driver IC example | MBI5041 |
| Software | LEDEditor_V10 / LEDSet2.0 |
| Sensor functions listed | Temperature, humidity, automatic brightness and infrared program switching |
Playback and Deployment
The K21 can show the same content on multiple screens of the same size. Scheduling, tables, clocks, timing and countdowns are listed. Supported formats include AVI, WMV, MPG, MOV, DAT, VOB, MP4 and FLV video; GIF/SWF animation; BMP/JPG/GIF/WMF/ICO images; and TXT/RTF text.
Confirm the display configuration before relying on either listed pixel limit. WCDMA/GPRS support does not establish 4G LTE support; check the installed modem and compatible service for the deployment location.
Frequently Asked Questions
Does K21 have an onboard cellular modem?
Yes. The original table lists an onboard modem and identifies WCDMA/GPRS.
Does K21 support 4G LTE?
The original specification names WCDMA/GPRS and does not establish LTE support. Confirm the modem required for your network.
What screen size can the K21 control?
The original feature text says 640 × 256, while the parameter table says 1200 × 256. Confirm the supplied configuration before choosing a display layout.
Can K21 run identical content on several screens?
Yes. The listing specifies multiple screens of the same size showing the same content at the same time.
What storage and software are listed?
K21 has 500 MB flash with USB expansion. LEDEditor_V10 and LEDSet2.0 are the listed software packages.
