A method of performing a frequency scan, the method comprising: placing a radio frequency transceiver (118, 325) of a device in an active mode in which the radio frequency transceiver (118, 325) is able to perform tuning of a phase locked loop, PLL, to a target frequency and transmit and receive packets, the radio frequency transceiver (118, 325) comprising the PLL including a voltage-controlled oscillator, VCO, and a divider; and while maintaining the radio frequency transceiver (118, 325) in the active mode, for each of a plurality of target frequencies: determining a coarse frequency tuning value based on the target frequency, wherein determining the coarse frequency tuning value comprises: identifying the coarse frequency tuning value based on a look-up table of pre-calibrated coarse frequency tuning values, wherein the look-up table includes a different pre-calibrated coarse frequency tuning value for every M target frequencies of the plurality of target frequencies, where M is an integer greater than one and is based on a capacitance value of a varactor associated with the VCO of the PLL; placing the PLL in an open-loop configuration; while the PLL is in the open-loop configuration: programming the VCO with the coarse frequency tuning value; and programming the divider with a feedback adjustment based on the target frequency; placing the PLL in a closed-loop configuration; and in response to the PLL reaching a settled state, performing an operation at the radio frequency transceiver (118, 325) based on an output signal of the PLL. placing a radio frequency transceiver (118, 325) of a device in an active mode in which the radio frequency transceiver (118, 325) is able to perform tuning of a phase locked loop, PLL, to a target frequency and transmit and receive packets, the radio frequency transceiver (118, 325) comprising the PLL including a voltage-controlled oscillator, VCO, and a divider; and while maintaining the radio frequency transceiver (118, 325) in the active mode, for each of a plurality of target frequencies: determining a coarse frequency tuning value based on the target frequency, wherein determining the coarse frequency tuning value comprises: identifying the coarse frequency tuning value based on a look-up table of pre-calibrated coarse frequency tuning values, wherein the look-up table includes a different pre-calibrated coarse frequency tuning value for every M target frequencies of the plurality of target frequencies, where M is an integer greater than one and is based on a capacitance value of a varactor associated with the VCO of the PLL; placing the PLL in an open-loop configuration; while the PLL is in the open-loop configuration: programming the VCO with the coarse frequency tuning value; and programming the divider with a feedback adjustment based on the target frequency; placing the PLL in a closed-loop configuration; and in response to the PLL reaching a settled state, performing an operation at the radio frequency transceiver (118, 325) based on an output signal of the PLL. determining a coarse frequency tuning value based on the target frequency, wherein determining the coarse frequency tuning value comprises: identifying the coarse frequency tuning value based on a look-up table of pre-calibrated coarse frequency tuning values, wherein the look-up table includes a different pre-calibrated coarse frequency tuning value for every M target frequencies of the plurality of target frequencies, where M is an integer greater than one and is based on a capacitance value of a varactor associated with the VCO of the PLL; placing the PLL in an open-loop configuration; while the PLL is in the open-loop configuration: programming the VCO with the coarse frequency tuning value; and programming the divider with a feedback adjustment based on the target frequency; programming the VCO with the coarse frequency tuning value; and programming the divider with a feedback adjustment based on the target frequency; placing the PLL in a closed-loop configuration; and in response to the PLL reaching a settled state, performing an operation at the radio frequency transceiver (118, 325) based on an output signal of the PLL.