The Arch I has two optional parts: The SenArch tripod and the LTE antenna.
These parts are not included with the default gateway, but can be added per request.

You can read about the parts here:

Boost your SenArch Solar IoT Gateway’s performance with the optional External LTE Antenna. Enjoy stronger signal, enhanced coverage, and reliable connectivity—even in rural or remote locations. Perfect for maximizing uptime in critical deployments. Boost and expand your coverage range with this 5.5 dBi omni LTE antenna.

Streamline your SenArch Solar IoT Gateway deployment with our custom-designed Tripod. This optional accessory ensures quicker, easier, and more cost-effective setups—ideal for both permanent and temporary installations. A smart investment for hassle-free deployments.