Antennas Clover-Mushroom
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Frequently asked questions about products in this category Antennas Clover-Mushroom
A Cloverleaf antenna is a circular antenna often used in FPV systems. Its design consists of several curved elements that form circular signal polarization.
Thanks to the signal polarization elements, the cloverleaf antenna receives video signals more stably even when the drone changes its position in the air.
Clover-Mushroom antennas typically have a gain of about 1–3 dBi. This is a small value, but such an antenna provides a stable signal in a wide sector. This is why a cloverleaf antenna is often used for FPV video reception.
Clover antennas are manufactured for specific frequencies. Most often, a clover antenna operates in the 1.2 GHz, 2.4 GHz, or 5.8 GHz bands. These frequencies are used in FPV video transmission and some electronic warfare systems.
A Cloverleaf antenna can have two types of circular polarization: RHCP or LHCP. RHCP stands for Right-Hand Circular Polarization, and LHCP for Left-Hand. For stable operation, the transmitter and receiver must use the same type of polarization.
A cloverleaf antenna emits a signal in all directions around itself. Directional antennas work differently – they concentrate the signal in a specific direction. This is why a cloverleaf antenna is used where signal stability is important during drone movement.
Cloverleaf antennas are most often used in FPV video transmission systems. They work well on drones and operator ground stations. Such antennas are also sometimes used in some EW systems where circular signal polarization is required.
Clover antennas can have different types of connectors depending on the equipment. The most common are SMA, RP-SMA, or MMCX. Before connecting, it is worth checking the connector's compatibility with the transmitter or receiver.
Cloverleaf antennas are typically made from copper or brass conductors.
Metal elements are often covered with a plastic or polymer casing that protects the structure. Such a casing makes the clover antenna resistant to mechanical damage.
Cloverleaf antennas are sold in Ukraine at the specialized military equipment store FlashArmy. These antennas are used in drone video transmission systems, so they are often offered together with FPV transmitters, receivers, and other components. Before purchasing, it is worth checking the operating frequency, type of circular polarization (RHCP or LHCP), and connector compatibility with your equipment.