Spectrum Analyzer Handheld Spectrum Analyzer Measurement 35M-4400M 
USB power supply, full English display

 Screen size: 4.3 inch
Spectrum display range: 35M-4400MHz
Input impedance: 50 ohms
RBW: 10KHz, 50KHz, 100KHz, 200KHz, 500KHz, a total of 5 gear positions can be adjusted
Screen scan points: 700 points
Scanning span: 7M (10KHz), 35M (50KHz), 70M (100KHz), 140M (200KHz), 350M (500KHz)
dBm range: -80dB~10dB (support manual adjustment of calibration amplitude), the unit does not have an amplifier circuit inside, if you need to measure small signals, you need an external amplifier.
Maximum access signal: 10dB
Working mode: superheterodyne scanning spectrum analyzer, single scan time is 800ms
Item size: 145 * 70 * 30mm / 5.7 * 2.8 * 1.2in
Item weight: 200g / 7.1ounce
Package size: 300 * 140 * 70mm / 11.8 * 5.5 * 2.8in
Package weight: 335g / 11.8ounce