Dnub-at1-236b- Driver Download

Step 1: Download the official driver package
From the manufacturer’s site, download Dnub_AT1-236B_Win_v3.2.1.zip (or similar). Do not unplug the device yet.

Step 2: Disable Driver Signature Enforcement (if necessary)
For Rev C devices, you may need to temporarily disable driver signature enforcement: Dnub-at1-236b- Driver Download

Step 3: Extract and run installer
Right-click the ZIP → Extract All → Run Setup.exe as Administrator. Step 1: Download the official driver package From

Step 4: Connect the device
Plug in the Dnub AT1 236B. Windows will chime and automatically load the driver. Go to Device Manager → Ports (COM & LPT) → You should see “Dnub AT1-236B (COM3).” Step 3: Extract and run installer Right-click the

Step 5: Verify functionality
Download a free serial terminal like Termite or PuTTY. Open the corresponding COM port with 115200 baud, 8N1. Type AT – if you get OK, your driver works perfectly.

Drivers are essential for several reasons:

Downloading the correct driver for your device is crucial to avoid compatibility issues or system malfunctions. Here are steps to safely download the Dnub-at1-236b driver: