Questions about Zyxel FWA505 Nebula

I currently use the device in a holiday flat for general internet, Netflix, radio etc. with 4G, and it works without any problems. The plus point for me is the option to connect an external antenna if required and the Nebula app for monitoring.

Yes, it is possible to manage the configuration of the Zyxel FWA505 Nebula router locally without the Nebula Cloud. ### Local configuration - You can manage the configuration of the router via the web user interface by going to the URL `https://192.168.1.1` in a web browser and logging in with the admin username and password found on the device label. ### Firewall functionality and security features - The FWA505 Nebula Router offers comprehensive firewall functionalities, including: - IP firewall - DoS attack detection - SPI (Stateful Packet Inspection) - Application level firewall (LAN to WAN, e.g. FTP, HTTP, Telnet, Ping) - LAN MAC address filtering - LAN IP address filtering - WLAN MAC address filtering. ### VPN and security policy - The router supports VPN pass-through, but there is no integrated VPN server function. However, it supports NAT/NAPT, DMZ and port forwarding. - There is no specific "security policy" in the sense of centralised security policy management as with some other models, but it offers various security functions such as WPA2, WPA3 and URL filtering. These functions enable comprehensive security and network management, even without using the Nebula Cloud.

Based on my research, I would recommend this antenna: Qoltec 5G-Antenna You would have to use one adapter per connection, as the router itself has TS-9 antenna connections. Delock GSM/3G/4G TS-9 plug to SMA adapter, 20cm

yes

Yes, it is possible to switch the Zyxel FWA505 device to bridge mode. The device supports both bridge and router mode and enables the remote Management function even in bridge mode.

I have no experience, but according to my research it should work like this: - Open a web browser and enter the IP address of the router (usually something like 192.168.1.1). - Log in with your admin credentials. - Navigate to the VPN settings: In the router settings menu, look for a section labelled "VPN" or "Security". - Configure VPN pass-through: Activate VPN pass-through for the required protocols (e.g. PPTP, L2TP, IPSec). - Save and apply the settings: Save your changes and restart the router if necessary. - Set up the VPN on your device: Configure the VPN client on your device (PC, smartphone, etc.) with the necessary details provided by your VPN service. If this does not help, contacting the manufacturer directly would be helpful.