How clever of you. 
Thanks for posting again Mik- I read your earlier version and have just come back from a walk wanting to reread it. The Ghz router bit was worrying me but given that we have a LIvebox I’m assuming I will be ok. I have already promised OH I will be the one to set it up on my phone. 
Yes the Ghz thing was a curved ball and yes livebox should be OK. You can check by going into settings/wifi click on your network and it will display frequency. I think it only matters when. updating firmware. It is a steep learning curve.
I have a hectare of garden and mow probably about 10 or 15 % of it.
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I have less, but that is exactly what I have switched to. I have long grass except for paths I mow through to a nice walk following a line of trees and to a ahady seating area, to the bird feeding tree or the compost heap or to access other particular areas such as the rear of the house . Every couple of years I mow an extra area to ‘refresh’ the grass as it then grows back thicker.
This year’s project is to learn to use a strimmer as this approach seems to work but I need to contain the edges of the grass area to keep driveway clear etc. So far it’s been mower only.
This year I have more birds than ever and insects.in the grass. But I am sure some insect types I used to have and earth life have been killed off by relentless overdosing of agri chemicals into the food chain by farmers near.
Opposite, locals have excellent equipment including tractor mowers and seemed last year to be trying to mow their field down into a flat English lawn. I had a quiet giggle when it turned into a dustbowl in July.
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I spent a long time reclaiming the land behind my house and I really don’t want to lose it again. It was quite a surprise finding a lovely stone wall running the whole length that had been hidden by brambles. About 25% of the garden is wild, the rest I’m happy to keep tidy.
I gave incorrect information regarding the Ghz thingy. The robot DOES only connect with 2,4 Ghz. This makes sense as that frequency gives a longer range. It can only connect to one Wi-Fi network. It can’t switch from one to another like a phone can. BUT both the Livebox and router can use either 5 Ghz or 2.4 Ghz frequency. You will need to go into the network that best sees the lawn to be mown and set that network to 2.4 Ghz.
Regarding your tree overhang – I hit a problem yesterday. If the robot loses satellites and can’t get a fix, it uses dead reckoning for a while. If it still has no fix after a while it stops until it gets enough satellites for a fix then carries on. All well and good. In my case, during a dead reckoning period the robot went just outside the specified area, It stopped with a “sort me out” message.
It’s a steep learning curve but I find chat GPT very helpful
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Mik sorry, I’m being very dim - why does it need a router/livebox?
You can’t be as dim as me! It has taken me ages to work out what communication is going on.
The robot has a memory which holds all its task information so once you have told it where to mow, how often, what pattern to mow what grass height and how often, it can carry on working forever without any further communication from you.
However, to get that information into the robot you need a smartphone running the free app. This is a Bluetooth communication. You can set all the tasks and map the area just using this.
However, some information is stored in the Mammotion cloud in your account. Your tasks are backed up there so if you change your phone you can still access your tasks. Also firmware updates are accessed in this way. This is done via Wi-Fi. As mentioned before, this must be a 2.4 Khz connection. Also, you can only have one connection. It won’t allow you to switch to other Wi-Fi sources. This is very easy to do. On Livebox, go in and edit the name of the 2.4 Ghz frequency (SSID) to something like “Luba Wi-Fi”. The important thing to remember is that when using your phone to run the mowing app, make sure it is connected to the “Luba Wi-Fi”. You can get caught out if your phone automatically switches to another Wi-Fi source or switches to phone data for its internet connection. It sounds complicated (to me!) but once you have grasped the basics it is very straight forward.
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And me!
I have no idea how to do that!!!
At the moment we have no internet connection in our cottage - where the mower will be working - so I am back to my other thread about how to get internet without a landline. About to try 2 ubiquiti nanostations (without much hope). I will come back to programming the mower (when bought) later in the month. Thanks for your help Mik.
Just ask ChatGpt. Bon courage 
A sim card router if you have a mobile phone signal.
Intermittent, sadly
I had a similar area in S Africa and It would have been an insane waste of water to have a European style lawn, so I just let the grass grow. Then I got a really bad button spider bite, that swelled up to the size of an egg, before leaving a big hole and finally scar that I still have today. But I had learned why many S A farmers wear thick knee length socks. After that I re-planned the whole garden with big rocks and large indigenous Eastern Cape aloes and other succulents.
I have a meeting with a local supplier of robot mowers on Wednesday- it will be interesting to see the outcome.
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I like the idea of the robot, and have seen what amazing jobs some of them can do over large land, but I always see them in quite neatly organised, traditional types of gardens. Half my garden is woods, and half garden, but within the garden I have many trees, shrubs, vegetable patches, flowerbeds, planted out more like a small food forest with new things going in all the time. I’m often just mowing paths that change and adapt. When I mow I sometimes see something spring up and decide to mow around it and keep it, even something like purple dead nettle - I’ll leave a patch for the bees.
Between mole hills, fallen branches, small plants, and rough wooded terrain I don’t see how a robot could handle it all. Shame, because I’d love to free up my time a little more. On the plus side I do get to gather up all those cuttings and use them in my compost and as mulch for trees/plants.
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Don’t you have the option of 4G, if wifi is tricky, which I believe Mammotion is offering free for the 1st year then approx. 49€ per year?
I believe the option you are referring to is 5G but that is only a minor point.
The 5G option, is free till the end of the year then (I believe) it costs €49 p.a. BUT what that signal does is to provide an alternative to the RTK unit.
RTK provides correction data to the signals receive from the robot to increase the accuracy from a few metres to a few centimetres. The RTK unit that comes with the kit stays in a fixed position and sends corrections to the robot using a radio frequency. There may be times times when that radio frequency cannot be received between the stationary RTK unit and the moving robot in all parts of your garden. In this case you can switch to receiving corrections via the internet using the 5G data. The 5G does not provide any other data to the robot.
The robot communicates with the internet using a bluetooth connection with an app on your phone, Your phone must be connected via Wi-Fi to the internet. I think you must use the same Wi-Fi connection all the time . The connection must use a 2.4 GHz frequency (NOT 5 GHz). I have renamed my Livebox 2.4 GHz SSID to “Luba” so that I know what Wi-Fi connection to connect to when using the app.
I should say that I got most of this info from trawling the net. I can’t seem to find it easily in the manual so it only represents my experience of what I think is going on.
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It’s confusing. If the robot talks directly to the phone via Bluetooth, then via that link accesses the Internet, then it should not matter at all where that data comes from. It could be WiFi or you phones 4G/5G data.
Is it that the bluetooth connection to the robot is just used to set it up initially, and that it actually connects and operated via WiFi ? That would make more sense. I don’t understand why you have changed the SSID on your 2.4G livebox though, as that would just make existing devices that have connected to the livebox via 2.4G fail to connect after the change. Surely when you set the thing up, it can scan for 2.4G networks and allow you to select your existing Livebox SSID ?
Mik just checking, was it this version you bought (800, no antenna )?
https://www.amazon.fr/MAMMOTION-Tondeuse-Périphérique-Antenne-Recommandé/dp/B0DT45SCBS?th=1
And did you buy the “garage” as well?
Some devices seem stubbon like that, I have had to go in manually and switch to 2.4 for the setup. Would love to know why I have to do that on a dual band router?
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