VFO RF Generator Dot Swept Frequency Amplitude Adjustable 0.5PPM Radio Frequency Signal Source SMA Output Interface 137.5-4400MHz

Features:
Adopts quality printed circuit board, metal housing and mini component, compact and light weight.
Manufactured with accuracy process, which ensures fine durability and long service time.
There are two operation modes, dot frequency mode and sweep-frequency mode.
Equipped with parameter setting function, initial frequency, end frequency, sweep-frequency-step can be set.
Internal reference: 25MHz-TCXO.
Amplitude control: -4dB; -1dB; +2dB; +5dB.
Built-in 3.7V, 1000mAh polymer lithium battery, 5V USB Type-C recharging, with indicator light.
SMA male differential output interface, which is easy to connect.
Three kinds of output frequency ranges optional, you can choose 137.5-4400MHz, 35-4400MHz, or 23.5-6000Mhz according to your demands.