Specifications
Input frequency response	0.15-1050MHz, 3dB
Display accuracy of central frequency	+/-200KHz (frequency sweep width +200KHz)
Accuracy of mark frequency	+/-0.1% (frequency sweep width +100KHz)
Frequency display resolution	100KHz (4½ bit LED display)
Frequency sweep width	0.1MHz/div-100KHz/div with 1, 2 and 5 step system And 0Hz/div (0 frequency sweep) Accuracy: +/-10% (each range)
Intermediate frequency bandwidth	20KHz and 400KHz
Video filter	(When on) 4KHz
Amplitude range	-107~+13dB
Reference level	-27dB~+13dB (10dB for every step) +/-2dB
Average noise level	-97dB(20KHz intermediate frequency width)
Display range of CRT screen	80 dB(10dB/div)
Display range of vertical display	+/-2dB (2 With attenuator) 250MHz signal
Input attenuator	0-40dB (4x10dB step) error: +/-1dB/10dB
Maximum input level	+10dBm,+25V DC(Input attenuator set at 0dB) +20dBm (input attenuator set at 40dB)
Frequency stability	Over 150KHz/hour
Input jack type	BNC
Input impedance	50Ω
Power supply	220V/110V; +/-10%; 50Hz/60Hz
Others
DC output	+6V (for probe)
AM demodulation output	Load impedance ≥16Ω