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docs: Fixed SI formatting, changed description of usb-c to ethernet
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docs/source/systems/hardware/network.md

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## TLDR
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Perseus assumes that it will connect to a wifi network with SSID: "QUTRC-ROAR-LOCAL".
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All processes and nodes running should be able to operate via a network connection sharing a single 2.4GHz wifi connection with a 20MHz channel width.
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Whilst the rules allow for 40Mhz bonding interference is possible.
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Assuming 20MHz means 802.11g which is 54Mbps.
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All processes and nodes running should be able to operate via a network connection sharing a single 2.4 GHz wifi connection with a 20 MHz channel width.
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Whilst the rules allow for 40 Mhz bonding interference is possible.
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Assuming 20MHz means 802.11g which is 54 Mbps.
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This equates to a maximum usage network connection of 6.75 MBps.
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If bonding is used then 802.11n allows for up to 600 Mbps (this would require 4xMIMO) being 75MBps.
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If bonding is used then 802.11n allows for up to 600 Mbps (this would require 4xMIMO) being 75 MBps.
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## Purpose
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During competition, either of:
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- 20 Mhz band on nominated Channel 1 or Channel 11
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- 40Mhz band on either 1-5 or 9-13
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- 40 Mhz band on either 1-5 or 9-13
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During Practice:
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- 20 or 40 Mhz band centred on channel 6
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Assumption: All systems need to be able to concurrently operate on 20Mhz (Max ~97 Mbps)
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Assumption: All systems need to be able to concurrently operate on 20 Mhz (Max ~97 Mbps)
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## Devices
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@@ -53,7 +53,7 @@ On-board Perseus, there is a small PoE switch that is used to power the U7 Long
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At base station, the U7 Outdoor is connected into the US 8 PoE switch, which is able to deliver PoE+ to the U7 Outdoor.
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The US 8 PoE switch is connected directly into the UCG Max, which is the controller of the network.
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Laptops are connected into the UCG Max or the US 8 PoE switch via ethernet, or via WiFi into a separate access point ([AC Mesh](https://techspecs.ui.com/unifi/wifi/uap-ac-mesh?subcategory=all-wifi) - optional).
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A phone is connected via ethernet into the WAN port of the UCG Max, and set to give the network internet from the phone's data (the team/club doesn't have an ethernet to USB-C adapter, so we usually use a personal one).
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A phone is connected via ethernet (through a USB-C to ethernet adapter) into the WAN port of the UCG Max, and set to give the network internet from the phone's data.
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The U7 Outdoor is highly directional, so it is pointed directly into the arena to get the best signal to the U7 Long Range.
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The omnidirectional antennae can be attached for a wider signal, but this reduces the range.

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