Yes G-40 project is very similiar to CAMM-ER.
TÜBİTAK SAGE Institute Director Gürcan Okumuş gave important information about the air defense system studies for ships in an interview with MaviVatan.net. Some key parts from his statements:
"TÜBİTAK SAGE has primarily worked on a NASAMS-like system using GÖKDOĞAN and BOZDOĞAN missiles and made a larger engined version pre-designing to increase the range and altitude value.
"The missile we call G-40 is an air defense missile that uses GÖKDOĞAN technologies that can reach 40 km range and 40k feet altitude. Although this missile can be used as a land based medium altitude air defense missile, it also has an ESSM equivalent structure as a Ship Air Defense Missile."
"The idea of developing the G-40 missile with the Flexible Vertical laucnch System, which includes a kind of cold launch technology, in an integrated manner has started with the developments in this area. With the Flexible Vertical Firing System (EDAS/FVLS), the G-40 missile will provide safe use from ships and can be used in land-based systems too."
"TÜBİTAK SAGE is not only developing the cold vertical launch technology, but also a similar technology called soft vertical launch with some differences. Our aim here is to develop alternative launch methods. Hot launch technology already exists in the industry and we focused on developing a non-existent capability rather than a technology that has been developed as usual. We started by making predictions about what the present and future needs of the naval forces might be. We set out on what could be the alternative domestic counterparts of our naval close, medium range and high altitude air defense systems. If you ask why the cold launch, this system is a better tech that will keep our ships relatively safe. You not to ignite the engine in the ship and you prevent possible accidents. In addition, the system will take up less space and will be lighter. This means more missile load on our ships."
sources-
https://mavivatan.net/tubitak-sage-...enin-devam-eden-projeleri-ve-gelecek-vizyonu/
https://www.defenceturk.net/tubitak-sageden-savas-gemileri-icin-hava-savunma-ailesi-plani
While there is an ADVENT solution for the need for an indigenous modern combat management system in Turkey, integration and test activities on radar projects such as ÇAFRAD and CENK-S continue. So the most critical system in Turkey's air defense system needs for ships are: missiles, launching techs and launcher systems suitable for these missiles, which all are expected to be put into use gradually in the near term.