Noisy Fan and Electrical Interference Butt Works as designed. Causes Radio Electromagnetic Interference (Radio RFI) that Ferrite Beads won't cure.
The RF Noise Level is on the order of -62dBm in the 1.6 to 8 MHz Range. Measured on both the AC and DC Side. On the AC side it propagates into the house AC Distribution
making use of the lower High-Frequency (HF) Radio Band un-usable while the charger is in use. Improved Power Supply Filtering is needed.