1. Cannot be selected. However, the license issued by Shijiazhuang does not indicate usage frequency, and you understand the rest.
2. Can be written for the entire country, without needing to specify materials. However, the license issued by the factory doesn't actually reflect the usage range, so they are all essentially the same. What we really need is communication range at the provincial or international level; usually, you just call the local police and let them know, and they will handle it for you.