Sorry, I meant EIRP. A quick Google search says that the limit is 23 dBm for LTE / 5G. With a bigger antenna (= more gain than the standard one) on your LTE or

Sorry, I meant EIRP. A quick Google search says that the limit is 23 dBm for LTE / 5G. With a bigger antenna (= more gain than the standard one) on your LTE or 5G router you'd have to reduce the transmit power (in mW) of the router accordingly, otherwise you'd exceed those 23 dBm.