1. Support sampling speed 500uS 200mS 1S; 2. Equipped with 30DB fixed attenuator and 4 common frequency band antennas; 315M, 433M, 900M, 2.4G/5.8GHZ antenna 3. With maximum sampling and holding function, better capture of pulse signals; 4. Up to 9 frequency offset calibration data can be pre-stored; 5. The host computer supports curve display, Chinese and English menus, and open serial port protocol; Product application: Calibration of RF meter instruments; Inspection and maintenance of RF equipment; Measurement of RF circuit standing wave ratio (adding feedback bridge); Measurement of RF circuit return loss; Interference detection between wireless communication devices; RSSI (received signal strength indication) and transmission power level detection; Performance evaluation of step attenuator; Product technical indicators: 1.Measurement power range -55-+30 dBm (0 to -50dbm has good linearity,and attenuator is required for more than 0DBM) 2.Measurement power resolution 0.1 dBm 3.Measurement frequency range 100k-10GHz 4.Input impedance 50 5.Dynamic range 60dB 6.Working voltage 5VDC (powered by USB) 7,Power display unit:dBm or W Portable USB RF power meter Maximum sampling and holding function Chinese and English menus open serial port protocol Upper computer supports curve display Can pre-store 9 frequency offset calibration data Colour:As Shown Material:plastic Note: Please check as much as possible to make sure the item is what you need. Due to different batches,there may be differences in product appearance and printed text,which not affect use Package Contents: 1 * USB RF power meter host 1 * attenuator 4 * antennas Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.