For sale is a slightly used SOtM tX-USBultra with external master clock input(50 ohms BNC), which is $200 upgrade option.
It is in excellent condition and works flawlessly. Comes with original package and usb cable as shown in picture.
The power of the unit is 6.5-8.5v. Sotm package does not include power adapter for the tX-USBultra, but I will include a power adapter(shown in picture) for free.
Free shipping to CON US. No international shipping. Paypal fee is also included at my asking price.
USB host interface
Type B USB connector
USB output Ports
Type A USB 2.0 connector x 2
USB power on/off switch
USB interface chip set
USB 2.0 Compliant HUB controller
HS(480 Mbps), FS(12 Mbps), LS(1.5 Mbps) support
Internal reference clock
External master clock input:
Input frequency : 10MHz
Isolated clock input
50Ω BNC connector x 1
External power input
Input voltage : 6.5~8.5Vdc
Input current : 2A max
5.5mm OD, 2.1mm ID adaptor jack