Does anyone have suggestion which router does have OpenVPN+kill switch+ sim Optional: good if runs on battery

Found a GL-E750V2 MUDI V2 which has sim option + kill switch runs on battery

TL-WR1502X v1.0 does not have kill switch, not sure then what is use of travel router. Every travel router should include a VPN option and a kill switch to ensure a secure and uninterrupted...