A method for transmit power calibration, the method comprising: determining a first saturated output power associated with a power amplifier of a first communication network device, wherein the first communication network device is configured to operate at a first operating parameter; providing a first radio frequency, RF, signal at the first saturated output power via a loopback path that couples a transmitter unit and a receiver unit of the first communication network device; measuring a first received power of the first RF signal received via the loopback path; determining a first loopback gain associated with the first communication network device based, at least in part, on the first saturated output power and the first received power of the first RF signal received via the loopback path; calibrating an output transmit power of the power amplifier when the first communication network device is configured to operate at the first operating parameter based, at least in part, on the first loopback gain associated with the first communication network device; determining a second loopback gain associated with a second operating parameter when the first communication network device is configured to operate at the second operating parameter; determining a gain difference between the first loopback gain associated with the first operating parameter and the second loopback gain associated with the second operating parameter; and calibrating the output transmit power of the power amplifier when the first communication network device is configured to operate at the second operating parameter based, at least in part, on the gain difference and the calibrated output transmit power of the power amplifier when the first communication network device is configured to operate at the first operating parameter. determining a first saturated output power associated with a power amplifier of a first communication network device, wherein the first communication network device is configured to operate at a first operating parameter; providing a first radio frequency, RF, signal at the first saturated output power via a loopback path that couples a transmitter unit and a receiver unit of the first communication network device; measuring a first received power of the first RF signal received via the loopback path; determining a first loopback gain associated with the first communication network device based, at least in part, on the first saturated output power and the first received power of the first RF signal received via the loopback path; calibrating an output transmit power of the power amplifier when the first communication network device is configured to operate at the first operating parameter based, at least in part, on the first loopback gain associated with the first communication network device; determining a second loopback gain associated with a second operating parameter when the first communication network device is configured to operate at the second operating parameter; determining a gain difference between the first loopback gain associated with the first operating parameter and the second loopback gain associated with the second operating parameter; and calibrating the output transmit power of the power amplifier when the first communication network device is configured to operate at the second operating parameter based, at least in part, on the gain difference and the calibrated output transmit power of the power amplifier when the first communication network device is configured to operate at the first operating parameter.