The dbm module in Python provides a native way to do this across platforms, with no more effort than you'd need to save values in a dictionary.

NeoPhotonics (NYSE: NPTN) with new 400G Multi-Rate CFP2-DCO coherent pluggable transceiver for metro, regional and long haul optical networks.

Albeit compact (16 x 16 mm), the module supports all LTE-M and NB-IoT bands with an RF output power of 23 dBm, also offering the possibility to operate on a 2G network.