1-30MhzHF Radio Balun Magnetic Balance DIY KITS

Description

1-30MhzHF Radio Balun Magnetic Balance DIY KITS
NOTICE:
It is DIY KITS  not a finished product. This item's shell no punch holes. Because there are three types of antenna position, M seat are the same, different terminal punch locations. Buyers need according to their own choice of programs to choose punch antenna location.
Circular material: nickel zinc ferrite
Magnetic conductivity: 100
Overall dimensions: outer diameter 31 mm *  height 7 mm *  diameter 18 mm
Center frequency: 15 MHZ
Application frequency: 1-30 MHZ
Waterproof Case Size: 65mm * 60mm * 35mm
This kit uses a low-permeability nickel zinc NXO-100 high-frequency magnetic, high-quality wire, waterproof box package, stainless steel bolts, Q9 seat. Our mature programs, providing high-quality package material and detailed description of the production, the complete elimination of the timidity of the primary radio enthusiasts, lovers can not only master the principle of Barron, but also produced a good performance of the device, to fully enjoy the fun of DIY .Small, field erection gantry can be fixed, portable, waterproof.
It production 1:1, 4:1, 9:1 the package using the the large size NXO-100 magnetic ring and 1 mm in diameter enameled wire, can work in the 1-30MHz shortwave, can withstand high power of 100W-200W, such as magnetic Barron's ideal kit.
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 Yagi antenna (40-100Ω).
Kits include 1.5m wire, please fold to 3 fold, each fold 0.5m.
1: 1 winding method: three-wire twisted around 7 laps, stranding extent (about 3-4 times per centimeter)
1: 4 Winding method: two-wire twisted around 8 laps, stranding extent (about 3-4 times per centimeter)
1: 9 Winding method: three-wire twisted around 10 laps, stranding extent (about 3-4 times 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 enameled wire header and tail (as below pictures).
This suite is not welded, delivery is scattered electronic components, the store display of the finished picture, only Purchase reference.
Payment
Returns
Shipping
Payment
We only accept payment through Paypal.
Items will go to post within 1-2 business days after payment confirmed.
Returns
If you can't receive the product within 2 months (60 days), please contact with us,we promise to payback 100% of your money.
We ensure our products work normally before post.If the products is broken before arrival to you,all you should do is taking a photo to show us our broken product.We promise to payback 100% of your money.
Shipping
1. We ship to Worldwide.
2. We only ship to confirmed PAYPAL address; your PAYPAL address must match your Shipping address.
3. Any non-received items caused by invalid address registered on PayPal are not in our full refund or replacement policy. Shipping fee has including the local handing and packaging fee.
4. All the items will be shipping within 1-2 working days after receiving the payment, except some holidays.
5. We will not be responsible for any custom delay or tax, because transit time is highly depended and provided by postal Service.
6. If you have any problem, please contact us via message, we will reply message within 1-2 working days, please wait for patient.