HAM Equipment,1-30Mhz Shortwave Radio Balun DIY Kits

Features: The kit adopt the the size NXO-100 magnetic, 1-30MHz shortwave, can withstand 100W-200W. It is an perfect kit for making 1:1, 4:1, 9:1 and other magnetic ring baluns. It is DIY KITS not a finished product. Kit soldering requires a certain foundation of electronic technology.
Circular models: NXO-100, Circular material: nickel zinc ferrite
Magnetic conductivity: 100, Overall dimensions: outer diameter 31 mm x height 7 mm x diameter 18 mm
Center frequency: 15 MHZ, Application frequency: 1-30 MHZ
Waterproof Case Size: 65mm x 60mm x 35mm

NOTICE: This item's shell no punch holes. Because there are three types of antenna position, M are the same, different terminal punch locations. need according to their own choice of programs to choose punch antenna location.
Types of antennas: 1: 1, 1: 4, 1: 9 three production program antenna optional, 1: 1 and 1: 9 is three enameled hinge, 1: 4 is two enameled wire.
1: 9 balun suitable long-term antenna , with manual or automatic antenna tuner tune-day use.
1: 4 balun applicable LOOP antenna to antenna and Winton (200-400Ω).
1: 1 balun antenna suitable for bipolar DP (inverted V n V), such as antenna (40-100Ω).
Kits include 1.5m wire, please fold to 3 fold, each fold 0.5m.
1: 1 winding : three-wire twisted around 7 laps, stranding extent (about 3-4 per centimeter)
1: 4 Winding : two-wire twisted around 8 laps, stranding extent (about 3-4 per centimeter)
1: 9 Winding : three-wire twisted around 10 laps, stranding extent (about 3-4 per centimeter)
Note: After stranding, first put heat shrinkable sleeve, and then pass on the ring! Enameled two leaving enough length, a good number of laps around a specified, will be evenly distributed on the magnetic coil, and then start welding enameledwire header and tail.
Material: plastic+metal
Color: White

Package Contents:
1x 1-30Mhz shortwave radio balun kit

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.
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