1:49 100W 49:1 Long-line Dedicated Balun for End Fed Short wave Antenna HAM Natural Resonance Frequency 7/14/21/28MHz
Features:
- 1:49 long-line dedicated balun
The main parameters:
1. The transformation ratio is 1:49
2. Input impedance: 50 ohms (unbalanced)
3. Output impedance: 2,450 ohms (unbalanced) suitable for long-wave short-wave antennas
4. Frequency range: 7/14/21/28MHz (after connecting 20m vibrator, it will naturally resonate in these four frequency bands, no need to adjust the day, no debugging)
5. Standing wave: less than 1.5
6. Power resistance: 100w (maximum 150w, SSB, AM, FM, CW)
7. Dimensions: outer diameter 50x130mm
8. Weight: 300 grams
9. Comes with epoxy resin plate, comes with 304 stainless steel lifting ring, and comes with a copper nose for the vibrator, which is convenient for users. The other terminal of the balun can be left floating.
10. Barron is already waterproof, and users only need to waterproof between the M seat and the cable connector.
Package Contents
- 1 X1:49 long-line dedicated balun
Detail photo
FAQ
Q1. Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.
Q2. What about the lead time?
A: Sample ususally take within 3 working days.
Q3. Do you have any MOQ (minimum order quality)limit?
A: For standard product, usually 1pcs/item. For the OEM order, MOQ at least 50pcs/item.
Q4. How to proceed an order?
A: After buyer confirm the product&price is ok and ready to buy, order will be please tell us your delivery address, phone number, sometimes need email. Then we can draft the order and it will have a alibaba paying link.
Q5. After paid, what info of the supplier provided?
A: Tracking number
Q6: Do you offer guarantee and after-service for the products?
A: Yes, 6- 12 months warranty for our products. Note: We will do not take the responsibility for Man-made damage or improper operation. Delivery demage will be negotiate.
Packing and Shipping
Package: Normally we use the standard paper package to export worldwide.
Shipping :
1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier we are co-operating at present.
2. By chinese small parcel, usually for the customer to save the cost. But Chinese small parcel have the risk for lost parcel. Note: If we got the parcel back, we only can refund the item cost. If we didn't get the parcel,then sorry we can't refund any.
3. By Air: Delivery from the Shenzhen airport to customers’ destination city air port.
4. By Sea: Delivery from the Shenzhen sea port .
Company information
TZT has been speciliazing in Business & Industry,Hobbies & Toys,CNC Products and Health care supplies for over 5 years.We committed to enhance customer satisfaction by continually improving the process with a vision of expertise in the field.
Aiming to provide high quanlity products and great service for buyer,we are strict on product quanlity control and offer instant communication service.Welcome to contact us!
Our Advantages:
- Source only the best consumer goods and ensure the highest quality.
- Streamline the buying and payment process, and make it as easy as possible.
- Help the customers all over the world discover products and manufacturers in China.
- The Shortest order processed time and speed delivery
