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Sunnylife Specular Parabolic Remote Controller Range Extender for DJI Phantom 2 Phantom 3 Standard /SE Antenna Signal Booster

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Price: US $5.14 Sale Price: US $3.60
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45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.
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Sunnylife Specular Parabolic Remote Controller Range Extender for DJI Phantom 2 Phantom 3 Standard /SE Antenna Signal Booster

Features:
· Special Design for your DJI Phantom 3 Advance / 3 Pro, phantom 4, Inspire 1 controller (Not For Phantom 3 Standard)
· Thicker foil higher reflectance; flexible design and convenient to use
· Made by Copper, Effectively prevent oxidation. The metal coating is formed to act as a mirror reflector radar energy.
· Foldable and Portable, Convenience for Outdoor and travel
· It improves both remote control and Wi-Fi video connection performance for DJI Phantom 3A/ 3P / /4/ Inspire 1, In an open testing area, The actual measurement distance greater than 2.8KM.

Knowledge parabolic antenna extensions:
Parabolic antenna is the form most frequently used type of radar antenna installation engineering. Parabolic antenna consists of a circular parabolic reflector mirror located in the focal points of light.
Parabolic reflector is made of metal, usually a metal frame covered with wire mesh on the inside. Metal mesh width of the grooves must be smaller than 10. The metal coating is formed to act as a mirror reflector of radar energy.
The optical and analytic geometry, a reflector for reflecting light of all this type of method will be parallel to the parabolic reflector which gives us a single ideal no sidelobe light parallel to the axis of the main axis. The field leaving the feed horn spherical wave front. As each portion of the wavefront reaches the reflecting surface, it is shifted by 180 degrees, the phase angle and in all sections of the field will be sent out in the parallel paths of travel.

This is an idealized radar antenna and produces a pencil beam. If the reflector has an elliptical shape, then it will produce a fan-shaped beam. Surveillance radar used within the horizontal and vertical planes of the two different curvatures, in order to achieve the required pencil beam in azimuth and in elevation classical cosecant squared fan beam.

Boundle 1: Paste Copper Sheet Boundle 2: Paste Aluminum Sheet Boundle 3: Specular Golden Boundle 4: Specular Silver

Note: the concave surface should be faced to your phantom, otherwise no range extending effect.

Range Extender with Copper/Silver Sheet Pasted

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Shipping Company Shipping Cost Estimated Delivery Time
DHL 3 - 7 days
UPS Expedited 3 - 7 days
EMS 5 - 14 days
Post Air Mail Free Shipping 15 - 45 days
Return Policy If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  US $5.14 / piece
Sale Price:  US $3.60 / piece