1ba4:0002 — EM358 Virtual COM Port

This is the USB identifier for a EM358 Virtual COM Port manufactured by Ember Corporation. The vendor ID 1ba4 is registered to Ember Corporation with the USB Implementers Forum, and 0002 is the product ID that Ember Corporation assigned to this particular model. When you run lsusb on Linux, this device appears as 1ba4:0002 Ember Corporation EM358 Virtual COM Port.

Linux

$ lsusb
Bus 001 Device 004: ID 1ba4:0002 Ember Corporation EM358 Virtual COM Port

You can filter directly with lsusb -d 1ba4:0002, or get the full descriptor dump with lsusb -v -d 1ba4:0002. Kernel messages from dmesg show the same pair as idVendor=1ba4, idProduct=0002.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_1BA4&PID_0002
USB\VID_1BA4&PID_0002&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1BA4&PID_0002"

macOS

$ system_profiler SPUSBDataType
    EM358 Virtual COM Port:
      Product ID: 0x0002
      Vendor ID: 0x1ba4  (Ember Corporation)

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

The exact lines this page is generated from, in the upstream source file:

1ba4  Ember Corporation
	0002  EM358 Virtual COM Port

• 1ba4:0001 InSight USB Link

See all 2 devices from Ember Corporation →