For anything where the other end is a standard connector you can get a C-to-what...

lmm on Jan 5, 2018 | parent | context | favorite | on: XPS 13 developer edition 7th generation available

For anything where the other end is a standard connector you can get a C-to-whatever cable - C-to-micro for the Kindle and C-to-B for the LTE modem should work fine.