Handheld Drone Alarmer 300M-6GHz Ultra-wide Detection Range Up To Distance Drone Alarmer

【Company Profile】 

● Ayision have overseas warehouses, such as Germany, Italy, United States and so on, if you order, we can ship to you from our local warehouse directly.
● Ayision support drop shipping service within 3 days, help customer create his own platform, such as Shopify, Amazon and so on. Can provide customer all pictures, video and all advertisement files.
● Ayision support wonderful After-sales service, such as Remote Service, Telephone Consultation, Technical Support, Localization Services, Repair and so on.
● Our company pays special attention to quality control, we always trust good quality is most important thing for our customer and us. 

【Product Details】

● Precise detection of multiple types of unmanned aerial vehicles: capable of precise detection of various civilian unmanned aerial vehicles, such as quadcopters, fixed wings, DIY, and drones.
● Adapt to complex electromagnetic environments: It can still work normally in complex electromagnetic environments and effectively detect drones.
● Low false alarm rate: able to accurately determine the presence of drones, rarely resulting in misjudgments.
● Portable and easy to use: The handheld design is convenient to carry and suitable for use in scenarios such as personnel mobility and duty.

【Parameters 】

FAQs On Cell Phone signal Boosters

1.What is a four arm spiral antenna?
The four arm spiral antenna is a circularly polarized antenna composed of four spiral metal arms, commonly used in fields such as satellite communication, GPS navigation, and drone control.

2.What are the advantages of a four arm spiral antenna?
·Circular polarization characteristics: It can receive electromagnetic waves from any direction, making signal reception more stable.
·Wide beam: With a wide coverage range, it is suitable for use on mobile devices.
·Small size and light weight: easy to install and carry.
·Low cost: high cost-effectiveness.

3.What are the drawbacks of a four arm spiral antenna?
·Relatively low gain: Compared to other types of antennas, the gain is slightly lower.
·Poor directionality: unable to concentrate energy like directional antennas.
·What scenarios are four arm spiral antennas suitable for?

4.Satellite communication: such as satellite TV, satellite phone, etc.
·GPS navigation: such as car navigation, mobile positioning, etc.
·Drone control: such as drone remote control, image transmission, etc.
·Wireless communication: such as WiFi, Bluetooth, etc.

5.How to choose a four arm spiral antenna?
·Frequency range: Select an antenna that matches the operating frequency of the device.
·Gain: Choose the appropriate gain according to actual needs.
·Size and weight: Consider installation space and portability.
·Interface type: Ensure that the antenna interface matches the device.

6.How to install a four arm spiral antenna?
·Choose a suitable installation location: Try to choose an open and unobstructed place.
·Fixed antenna: Use a bracket or glue to firmly fix the antenna.
·Connect feeder: Connect the antenna to the device through a feeder.
·Adjust antenna direction: Adjust the antenna direction according to the actual situation to obtain the best signal.