SIM7000

https://github.com/botletics/SIM7000-LTE-Shield/raw/master/SIM7000%20Documentation/Technical%20Documents/SIM7000%20Hardware%20Design_V1.05.pdf

Power saving

p. 50

Power Saving Mode (PSM)
Setting AT command ”AT+CPSMS=1” can be enable the PSM mode. In this mode, The mode is similar to power-off. But the module remains registered on the network and there is no need to re-attach or re-establish the network connections. And all of the functions will be unavailable except the RTC function. PWRKEY and timer expires can wake up the module.

p. 53

PSM supply current: PSM mode Typical: 9 uA

there is also a hint on p. 23

IVBAT(power-off) Module power current in power off mode:
Min. – / Typ. – / Max. 7 uA

Radio Standards and different SIM7000x models

Supported radio standards are

  • Cat-M
  • Cat-NB
  • GSM

In Germany usable models only

  • SIM7000G or
  • SIM7000E

Source: SIM7000X Module LPWA Wireless Solutions | SIMCom Wireless Solutions Co.,Ltd.