CPC G01R 29/105 (2013.01) [H04B 17/29 (2015.01)] | 11 Claims |
1. A testing device, comprising:
a cylinder made of metal and having a cavity and an opening in communication with the cavity, wherein an end of the cylinder is a bottom of the cavity, the cavity is free from having an antenna, and an inner wall of the cylinder is inclined;
a wave absorbing material disposed on the inner wall of the cylinder, wherein the wave absorbing material is free from being in contact with a portion of the bottom of the cavity; and
a carrier cover having a circuit structure and disposed on the opening for carrying a device under test, wherein the carrier cover is configured for covering the cavity, and the device under test senses reflection signals at the bottom of the cavity.
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