Ujjdwiurgh FM Tester Walkie Talkie Tester Radio Comprehensive Tester Multi-Functional Convenient Portable Repeater Tester

The Frequency Accuracy Is Within A Deviation Of 50hz; If The Frequency Meter Function Displays Half Frequency Or Multiple Frequency, The Most Likely Damage Is The 8-Pin Model Is 1507 The Output Signal Strength Of The U Segment Is 4dbm That Of The Hp8921a (When The Weak Signal Is Output, For Example, When This Instrument Displays -125dbm, The Actual Value Is -121dbm), And When The Strong Signal Is Output, It Is The Same As The Hp8921a (For Example, When It Is Around -90dbm); When The Test Power Exceeds 5w, Please Shorten The Test Time Appropriately And Avoid Long-Term Testing At High Power, Because The Heat Sink Inside Is Limited In Size To Avoid Overheating. The Audio Modulation Degree Of The Signal Output Is 3k; The Power Meter Is Equivalent To Hp8921a When It Is Above 0.2w. When It Is Less Than 0.2w, The Displayed Value Is About 20% Larger Than The Actual Value (Probably Due To Rounding).-Tone System In The Signal Output Is 0.5k; The Minimum Power Input Required For The Frequency Meter Function Is 1mw (External Antenna, 1w Walkie-Talkie Can Be Measured At Close Range) The Output Signal Strength Of The V Segment Is Equivalent To Hp8921a; If You Find That There Is No Signal Output In The Small Comprehensive Test, You Can Enter: 001.0000 In The Signal Source Mode. Use The Spectrum To See If There Are Signals At The 498m And 499m Frequencies. If There Is No Output, You Can Only Send Return For Repair. Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use