# tower

Published articles for tower.

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## What Is an AAU in Cellular Networks?

DevFeed: [What Is an AAU in Cellular Networks?](<https://devfeed.tech/articles/what-is-an-aau-in-cellular-networks-40173.md>)

Original publisher: [Read original article](<https://blog.j2sw.com/netops/wireless/active-antenna-unit-aau-cellular/>)

Author: j2sw

Published: 2026-07-22T19:23:00Z

Content type: tutorial

Language: en

Sources: [Justin Wilson (j2sw)](<https://devfeed.tech/sources/justin-wilson-j2sw.md>)

Topics: [Networks](<https://devfeed.tech/topics/networks.md>), [5G](<https://devfeed.tech/topics/5g.md>), [Hardware](<https://devfeed.tech/topics/hardware.md>)

Tags: [5g](<https://devfeed.tech/tags/5g.md>), [aau](<https://devfeed.tech/tags/aau.md>), [cellular](<https://devfeed.tech/tags/cellular.md>), [fiber](<https://devfeed.tech/tags/fiber.md>), [hardware](<https://devfeed.tech/tags/hardware.md>), [installation](<https://devfeed.tech/tags/installation.md>), [lte](<https://devfeed.tech/tags/lte.md>), [massive-mimo](<https://devfeed.tech/tags/massive-mimo.md>), [networks](<https://devfeed.tech/tags/networks.md>), [signal](<https://devfeed.tech/tags/signal.md>), [telecommunicationds](<https://devfeed.tech/tags/telecommunicationds.md>), [tower](<https://devfeed.tech/tags/tower.md>), [wireless-infrastructure](<https://devfeed.tech/tags/wireless-infrastructure.md>), [wireless-networking](<https://devfeed.tech/tags/wireless-networking.md>)

### AI overview

This article explains Active Antenna Units (AAUs) in cellular networks. It describes how AAUs integrate antennas and radio components, use fiber and power instead of long coaxial runs, reduce RF loss, and support technologies such as Massive MIMO. It also discusses installation considerations, including greater weight and higher hardware cost.

### Source excerpt

A little off the beaten path on this one. We are diving into a big part of a Cellular tower deployment. Many sites now use an Active Antenna Unit, or AAU. The radio and the antenna are built into the same enclosure. An AAU combines the antenna, radio transceivers, power amplifiers, and low-noise amplifiers into ... Read more The post What Is an AAU in Cellular Networks? appeared first on Justin Wilson (j2sw).

## Mapping Brazilian Cell Towers

DevFeed: [Mapping Brazilian Cell Towers](<https://devfeed.tech/articles/mapping-brazilian-cell-towers-37859.md>)

Original publisher: [Read original article](<https://carlosbecker.com/posts/tem-sinal/>)

Author: Carlos Alexandro Becker

Published: 2026-03-30T18:18:07Z

Content type: opinion

Language: en

Sources: [Carlos Becker](<https://devfeed.tech/sources/carlos-becker.md>)

Topics: [data](<https://devfeed.tech/topics/data.md>), [Python](<https://devfeed.tech/topics/python.md>), [Cloudflare](<https://devfeed.tech/topics/cloudflare.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Front end](<https://devfeed.tech/topics/frontend.md>)

Tags: [brazil](<https://devfeed.tech/tags/brazil.md>), [cities](<https://devfeed.tech/tags/cities.md>), [cloudflare](<https://devfeed.tech/tags/cloudflare.md>), [data](<https://devfeed.tech/tags/data.md>), [data-pipeline](<https://devfeed.tech/tags/data-pipeline.md>), [frontend](<https://devfeed.tech/tags/frontend.md>), [mapping](<https://devfeed.tech/tags/mapping.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [pages](<https://devfeed.tech/tags/pages.md>), [python](<https://devfeed.tech/tags/python.md>), [tower](<https://devfeed.tech/tags/tower.md>)

### AI overview

The author describes building temsinal.org, an open-source map of Brazilian cell towers. It combines tower data from ANATEL with population and municipality data from IBGE to help people compare infrastructure, coverage claims, and local commitments.

### Source excerpt

I was curious about how many cell towers were around me - so I built the tool I wanted.