0 review(s) | Add review

Prices 21 % less for customers outside of EU (World Wide Shipping)

· Availability: OK
· Estimated delivery time: 1-2 bussiness weeks

78,51 € (95,00 € TAX Inc.)
70,66 € (85,50€ TAX Inc.)
  • Description
  • Specifications
  • Reviews (0)
  • How to buy?

Discover the BIG SIGNAL CQ-70 antenna, a performance masterpiece in the 430-440 MHz band, designed to take your communications to the next level!

Highlighted features of the BIG SIGNAL CQ-70 antenna:

· Maximum Single-Band Performance: Optimized to provide exceptional performance in the 70-centimeter band, this full-wavelength square antenna is ideal for terrestrial communications. You can choose between vertical or horizontal polarization, making it a versatile choice for repeater installations, beacons, and more.

· Polarization Versatility: Thanks to its ability to be installed in either vertical or horizontal polarization, this antenna is perfect for a variety of applications, including satellite reception.

· Discretion and Durability: With its design that goes unnoticed once installed, it's perfect for discreet locations, windy areas, and indoor or balcony operations.

Advantages of choosing the BIG SIGNAL CQ-70 antenna over a traditional vertical:

· Full Wavelength on 70 cm. : Achieve maximum performance without coils or tuning elements.
· Urban Noise Reduction: The closed square design minimizes QRN and urban noise, improving the reception of weak signals.
· Compact and Resilient: With just 30 centimeters of total length, this antenna is robust and weather-resistant, requiring no maintenance.
· Guaranteed DX Performance: Experience less QSB and a more stable signal when receiving stations with different polarizations, ideal for DX in SSB, FT-8, and satellite communications.
· Quick and Easy Installation: Assembly in less than 5 minutes, with no need for complex adjustments after installation.

Choose maximum performance with the BIG SIGNAL CQ-70 antenna and take your communications to new heights!


· Band: 430 ~ 440 MHz.
· Gain: 8.63 dBi. @ 6 m.
· Polarization: Vertical or Horizontal. *To choose in the installation.
· Radiation pattern: Near Omni.
· SWR: 1.1: 1 ~ 1.5:1.
· Impedance: 50 Ohm.
· Maximum power: 2,000 W. PEP.
· Total height: 0,25 m.
· Total width: 0,25 m.
· Weight: < 1 Kg.
· Wind load: 0.18 m2 | 144.60 N | @ 120 km / h.
· Wind resistance: > 200 Km / h.


· Attachment to mast: Up to 50 mm.
· Boom: 20 x 2 mm square.
· Screws and hardware: W4 Stainless Steel.
· Fiber system: 8 x 4 mm reinforced fiberglass tube with UV protection layer.
· Cable: BIG SIGNAL - Wire. Special copper cable with polyethylene (PE) sheath for excellent weather protection and mechanical resistance.
· Feed: N connector. 


    No reviews for this article yet. Be the first to add one.

Write your review

You must fill in all fields to send the review. Remember to also value the product.
Your review will be valued and will be shown shortly. Thank you for your opinion.

The purchase of the products is always made on request. We manufacture all products, so manufacturing times can be added. That is why the final price of the purchase, as the final price of the shipping costs will be confirmed in an email sent afterwards.

The form of payment will be made once the email is received, so at all times you can cancel the order informing us of the process.




6 element 432 MHz (12,6 dBi - 22,97 dB F/B)
159,00 € 118,26 €

· Availability: OK
· Estimated delivery time: 2-3 business weeks

Prices 21 % less for customers outside of EU (World Wide Shipping)



12 element 432 MHz (15,13 dBi - 24,02 dB F/B)
240,00 € 178,52 €

Prices 21 % less for customers outside of EU (World Wide Shipping)