Changes between Version 17 and Version 18 of Hardware/antennas
- Timestamp:
- Jul 11, 2022, 8:37:22 PM (2 years ago)
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Hardware/antennas
v17 v18 18 18 19 19 [[BR]] 20 === Omni-directional (medium node) 20 === Omni-directional (medium node) without mmWave devices 21 21 The omni-directional antennas are comprised of four vertically oriented [attachment:MobileMark_RM-WHF_omni.pdf multi-band antennas] in a 6” (15.24 cm) 2x2 square pattern with a 14.25”x14.25” (36.2x36.2 cm) ground plane. The frequency range covered by the antennas is 1.7 - 6 GHz. However, due to limitations in the power amplifiers, USRPs, and other RF front end components, the actual frequency ranges are 2.4 - 6 GHz for transmit (non-contiguous, [wiki:rf-front-end see RF front end for details]) and 1.7 - 6GHz for receive. 22 22 … … 25 25 || [[Image(medium antenna unpainted.JPG, height=300px)]] || [[Image(medium antenna top down view.png, height=300px)]] || [[Image(md1_street.jpg, height=300px)]] 26 26 || Unpainted omni-directional antenna || Antenna element numbering || md1's omni-directional antenna from street level 27 28 [[BR]] 29 === Omni-directional (medium node) with dual mmWave devices 30 The mmWave version of the medium node antenna housing has the same configuration for the sub-6GHz and GPS antennas as the medium node configuration above. The main difference is in: 31 * Dual [wiki:/wiki/Hardware/SubSystems/IBM IBM 28GHz Array] 32 * Fans 33 * Dual cameras 34 PAAMs are down-tilted X degrees. Covered with Teflon. 35 CAD files 36 37