Assertion: dish antenna | /r/HasProperty | a high-gain device
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text: For example, a dish antenna on a spacecraft is a high-gain device (must be pointed at the planet to be effective), while a typical WiFi antenna in a laptop computer is low-gain (as long as the base station is within range, the antenna can be in an any orientation in space).
text: Parabolic dish antennas are high-gain reflectors used to transmit massive amounts of data for media transmission, radio astronomy, and radiolocation (radar).