Monthly Archives: February 2018

Introducing the New AyrMesh Hub2T

AyrMesh Hub2TWe are pleased to announce the new AyrMesh® Hub2T.

The AyrMesh Hub2T is a direct replacement for the Hub2n, but with some important differences. It meshes with the Hub2n and any other AyrMesh “Hub2” products.

First off, the Hub2T is a lot bigger than the Hub2n, with a much bigger antenna and a tougher stainless steel mounting bracket. The bigger antenna improves the performance of the Hub, while the new bracket just makes the entire Hub more stable and reliable, whether it is mounted on a pole or a flat surface.

Paradoxically, the new Hub2T has a little less radio transmitting power (about half a watt vs. almost a watt for the Hub2n), but it performs better than the more powerful Hub2n. Why? That big antenna! Reducing the transmitting power allows us to use twice as powerful an antenna, and (at least to a degree) a higher-gain antenna is better than more transmitting power. Power allows the Hub to “shout” longer distances, but a higher-gain antenna enable the Hub to both “shout louder” and “listen better” – resulting in better overall performance.

The other interesting change is the addition of a “gland” on the bottom of the radio. This gland makes it a bit trickier to install the Hub, but it protects it from water splashing up from below. This addresses concerns we have heard from some livestock operators who want to put Hubs near livestock pens or in milking parlors or farrowing houses, but worry about having to spray water around the Hub. We still don’t recommend spraying water directly up at the Hub, but this Hub will better withstand inadvertent sprays of water from below.

The Hub2T also uses less power than the Hub2n, so it is better for solar-powered field installations – if you have experienced “dropouts” in winter due to low batteries on the solar system, the Hub2T will work better (although that may also be a sign you need to replace those batteries…)

Should you replace your Hub2n with a Hub2T? In most cases, no – you’re not going to see enough of a difference in performance to make it worthwhile. The only exception is where there is a danger of water splashing up from beneath the unit.

But, if you are just starting your AyrMesh network, and as you expand, the AyrMesh Hub2T will be a low-cost, no-hassle workhorse, whether it’s on a building or out in the field.

Quick Note: “5G” technology on the farm

I have a Google Alert for “Wireless Farm” – I get about an article a week (and many of them are about wireless technologies for “server farms” and other odd things). But today I got a link to this article about “How 5G will impact the future of farming.” Intrigued, I clicked it to find a puff-piece about how Deere wants better wireless connectivity so that combines can “talk” to each other via “the cloud,” pointing out that it can take up to a minute with current technology for one combine to upload its data to the cloud, then the other combine to download that data and act on it. A couple of points here:

  1. “5G” mobile technology is based on “millimeter-wave” bands – over 20 GHz. (20,000 MHz.). Current LTE is based on 700 MHz. radios, and previous mobile data technologies (2G/3G) were “piggybacked” on existing 800 MHz. and 1900 MHz. radios. The range and, in particular, the ability of a signal to penetrate solid objects varies inversely with the frequency. So, to have 5G covering the areas cellular covers today requires a MUCH higher density of cellular towers than we have; to have it cover all of the rural U.S. will require thousands and thousands of new towers, a huge infrastructure investment
  2. As I have mentioned previously, the vast majority of cellular infrastructure investment is happening (and will continue to happen) within cities and towns, where the density of opportunities for subscriber revenue makes it profitable.
  3. Within the article, however, is this paragraph:

The term “5G” refers to the fifth-generation wireless broadband technology based on the 802.11ac standard. The packet of technology will bring speed and coverage improvements from 4G, with low-latency wireless up to 1GB/s.

802.11ac is WiFi, not mobile (cellular) technology. Specifically, it is the current generation of WiFI using the 5.8 GHz. (5,800 MHz.) radio band.

And here’s the point: “5G” mobile technology is not going to have an impact on farm operations in the forseeable future. But you can have multi-megabit WiFi technology on your farm TODAY – and you don’t have to wait for your friendly cellular carrier to put up a zillion towers. FURTHERMORE, since your AyrMesh system puts all the devices onto YOUR OWN Local-Area Network (LAN), everything on the system can just talk to each other – they don’t have to upload to the cloud and download from the cloud or anything like that. Your combines can “talk” to each other and your trucks, you can automate processes and enable autonomous vehicles – NOW – with an AyrMesh WiFi network.