Features: 1) Power readout directly in digital form without any calibration. 2) Maximum measurable power range up to 20W. 3) Check your Radio power output watt radio frequency under a second. 4) Easy connection with handheld Radio
Specifications: Measurable power range: 0.1-20W Maximum power input: 20W 0-10W (Measuringcan not be continue for more than a minute ) 10W-20W (Measuringcan not be continue for more than a 30 second ) 20W or more (Measuringcan not be continue for more than a 5 second )
RF power over 20W may damage the 50 Ω dummy load.
Metal body is heated while working.
Hold the red button for only2seconds then let go Hold red button -"Power on " and "Frequency counter "mode Push red button -" Power Meter "mode Push red button -" Signal Level "mode Push red button -" Battery Level "mode
1.1) How to use Frequency counter . Two ways to use the frequency counter meter :
A) Connect walkie-talkies with BNC
B) Receive radio signals from the top sma antenna
Hold red button --" Power on " and "Frequency counter "mode
Connect the antenna to sma .
20.000MHz to 999.999 MHz
1.2) How to use Power meter . Hold red button -switch on Push red button once to mode "POWER " Connect the BNC to the radio output .
1.3) How to use signal input level . Hold red button -switch on Push red button twice to mode "receive " Connect the antenna to sma.
1.4) How to check Battery level . Hold red button -switch on Push red button 3 times to mode "BAT "
1x SF-20 POWER METER / FREQUENCY COUNTER 1x English User Manual 1x USB charger cable 1x USB AC adapter 100-240V
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