Antenna Tuner Antenna Tuner Mini Automatic for Radio Equipment 18~55MHz 096IN with Housing ATU‑100 Mini Antenna Tuner _x000D_ Antenna Tuner Mini Automatic for Radio Equipment 1.8~55MHz 0.96IN with Housing ATU‑100 _x000D_ _x000D_ _x000D_ Feature: _x000D_ _x000D_ 1. STABLE AND PRACTICAL: Adopt good quality metal shell, possess stable and reliable performance, practical, easy to operate and use, long service life_x000D_ 2. FOR RADIO STATIONS: Antenna tuner automatically tunes without any control wires, suitable for most radio stations_x000D_ 3. 0.96IN DISPLAY WITH HOUSING: Mini shortwave automatic antenna tuner come with USB-B charging port, 0.96in OLED display_x000D_ 4. EXCELLENT CONFIGURATION: C channel capacitors adopt good quality 1000V high voltage SMD capacitors, and advanced PIC chips. UHF Connector_x000D_ 5. CORROSION RESISTANT ALUMINUM ALLOY: Made of good quality aluminum material, light weight, possess good strength and good corrosion resistance_x000D_ _x000D_ _x000D_ Specification: _x000D_ _x000D_ Item Type: Antenna Tuner_x000D_ Material: Aluminum alloy_x000D_ Model: ATU-100_x000D_ Display: 0.96in OLED_x000D_ Operating Frequency: 1.8-55 MHz_x000D_ Battery Model: 3.6V lithium battery 1350MAH_x000D_ USB Charging Current: 1A_x000D_ Maximum Operating Power: 100 watts_x000D_ Maximum Possible Measured Power: 150 watts_x000D_ 1 Watt: Necessary to start setting the minimum power_x000D_ Minimum Possible Measured Power: 0.1 watts_x000D_ Measurement Steps With Power Up To 10W: 0.1W_x000D_ When Robust Measurement Steps STI Above 10 Watts: 1 watt_x000D_ Power Measurement Accuracy: 10%_x000D_ Specified Maximum Inductance: 8.53uH capacitance_x000D_ Minimum Installation Step Size of Inductor: 0.05μH_x000D_ Maximum Mounting Capacity: 1869 pF Capacitor_x000D_ Minimum Installation Step: 10_x000D_ _x000D_ _x000D_ _x000D_ How to Use: _x000D_ _x000D_ ATUAntennaTunerInstructionsforUse:_x000D_ _x000D_ _x000D_ 1.ConnectRadio,ATUAntennaTuner,Antenna_x000D_ _x000D_ _x000D_ 2.Whenusingforthefirsttime,pleasesettheoutputpoweroftheradioorpoweramplifierbetween20‑30W,warningthathighpowertuningmayeasilydamagetheantennatuner._x000D_ _x000D_ _x000D_ 3.Setradiomode,useFMmode_x000D_ _x000D_ _x000D_ 4.Selecttheantennafrequencybandtouse,use20‑30WpowerinFMmode,pressradioPPT,observetheATUantennatunerPWRandSWR_x000D_ _x000D_ _x000D_ 5.UseofATUbuttonTUNE:Shortpress(lessthan1second)ATUbutton,itisinresetstate,longpress(morethan1second)ATUbuttonisinadjustmentstate_x000D_ _x000D_ _x000D_ 6.IftheSWRoftheATUantennatunershowsgreaterthan2.0inthetransmissionstate,itmeansthattheantennahasbeendetuned.Youneedtouseanantennatuner.PressandholdtheATUbuttonTUNEtotuneandobservetheSWRvalue.IfthetunedSWRisgreaterthan3.0,detunetheantenna.Seriously,itisnotrecommendedtousepowerabove30W,andthetransmitpowershouldbecontrolledbelow30W;ifthetuningisdone,theSWRshowslessthan2.0,andthemaximumpowerof100Wcanbeusedfortransmission_x000D_ _x000D_ _x000D_ Package List: _x000D_ 1 x Host _x000D_ 1 x USB Cable _x000D_ 1 x User Manual _x000D_ _x000D_ Note: _x000D_ _x000D_ 1. Insufficient adjustment may occur within 5W. So don't try to go below 5W._x000D_ _x000D_ _x000D_ 2. It is recommended that the maximum power should not exceed 30 watts during tuning. (it can be set to 100 watts after tuning, and work at this power, otherwise it is easy to burn)_x000D_ _x000D_ _x000D_ 3. You need to use 9‑12V to start the ATU‑100. If you use a power bank or computer USB port to output power, you cannot start the ATU‑100 because their voltage is too low._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_