I installed to replace a Livebox Play Fibre which dragged on wifi. Easy installation, simply think indicate the vlan 835 for internet access. The router does a great job, many parameters are configurable and if it is not enough simply install an alternative firmware. No signal problem and flow rates are up (AC wifi in my case).
EDIT: after several months of use still no problems. Only router weakness: I switched fiber 1Gb / s and recently it does not take more than 830Mb / s Ethernet and 700Mb / s wifi. Having said that speed is no longer to 100Mb / s near ...