@JuanV Antenna Type V3/APAC: 2 Internal 4G LTE Antennas V4/V2/V1: 2 Detachable 4G LTE Antennas As you can see, the TL-MR6400 V3 has the internal 4G LTE antennas, we are not able to replace them. Best...

@ivan-leiva For the CPE610, please start a thread in our business community. https://community.tp-link.com/en/business/forum/2

@Amit87 Could you please provide more information so that we can give you a specific answer, included but not listed: 1. The bandwidth you paid for your ISP, and the speed you can get from the Archer...

@Chrisausibb Thanks for your reply, glad to hear that you figured it out finally. Congratulations. If need any further help, do not hesitate to contact us. Have a nice day.

@MalcB To avoid the device being blocked automatically again, you can setup the filter rule to high and edit the value under system tools-system parameters. Any further problem, please let us know....

@Bagusa4 Thanks for your reply, you can wait a while for their feedback. Any updates, please let us know. Best regards.