Shenzhen Nuobashi Trading Co.,Ltd

Highlights
Two 350 MHz input channels, plus optional third channel (6 GHz or 15 GHz)
12 digits/second resolution, 100 psec time interval resolution
LXI-C/LAN, USB, GPIB
Built-in math analysis and color, graphical display (trend and histogram)
Optional: Lithium Ion Battery
BenchVue software makes it simple to connect, control instruments, and automate test sequences
The 53220A 350 MHz universal frequency counter/timer is a two-channel frequency counter with the ability to make all the frequency and time interval measurements you depend on. An optional microwave channel can be added to measure 6 or 15 GHz.