@star-affinity Hi, Archer NX500 supports Sub-6 GHz NR 2CC with 200 MHz channel bandwidth, so its theoretical peak rate under the 5G SA network is 4.67 Gbps, a little higher than 3.4 Gbps on Deco...

@ARGamingPK1 Hi, thanks for the update. I've left a message with the latest debug firmware for Deco M4 based on the 1.8.0 version. You can install this version first. Later, if the main Deco stopped...

@Haloween74 Hi, may I know your SIM carrier? Have you tried the beta version here: https://community.tp-link.com/en/home/forum/topic/825868 If it didn't help, please try to save the following...

@IanQ Hi, did Deco turn red during the disconnection? Would there still be a valid IPV4 address under the Deco APP>More>Internet Connection when Deco loses WAN connection? It would be highly...

@Ajmorse Hi, did you use "Test Internet Speed" on the Deco APP to check the network speed? Did it help if we enabled the QoS and manually set the bandwidth to 1.5 Gbps download/upload? Please also...

@Ryoma2040 Thanks for the update. I've escalated your case to the senior engineer for further assistance. Please check the email later for more suggestions. Best regards.