1. ATU-100 Automatic Air Conditioning Diy Open Source N7DDC 2. Attention! The Core Design Data Of This Tiantun Comes From The Automatic Tiantun Open Source Project Of Its Author N7ddc. 3. The Finished Kit Is Purely Hand-Soldered And Provides 3.2 Program Support With An Controller, A Resolution Of 128x32 Pixels, And A 0.91-Inch Diagonal Monochrome Oled Display. 4. This Circuit Contains A Set Of 7 Inductors And 7 Capacitors, Which Allows It To Operate In A Frequency Range And Effectively Cover The Amateur Radio Range From 1.8mhz To 50mhz. 5. The Default Is 1w Start-Up, The Screen Is Always On, And The Manual/Automatic Switching Mode. Allowed Supply Voltage Range:10-15VDC Maximum Current Consumption:400 MA Maximum Working Power:100W Maximum Possible Measurement Power:150W Minimum Power Required To Start Tuning:5W Minimum Possible Measurement Power:0.1W Measurement Resolution When The Power Reaches 10 Watts:0.1W Measurement Resolution For Power 10 Watts:1W Power Measurement Accuracy Error:10% Maximum Installed Inductance:8.53h Inductor Minimum Installation Step:0.05h Maximum Installed Capacity:1869 PF Minimum Capacitor Installation Steps:10 PF Typical Consumption 100-200 MA Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:Black Material:ABS Size:8.8x3.8x17cm Package Contents: 1 * Radio 1 * Power Cord 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.