Year of my Radar

[beanland]

Hi, how can i tell the year of my radar?

Model 1815
Display Unit: RDP-157
Serial: 1000-6310-1416

Antenna unit: RSB-127-120
Serial: R000-1710-1402

thanks
Mike

 

[Titanic II]

Based on the Display serial number that was made between 2017 -2021

 

[Johnny Electron]

Sold in Australia Feb of 2018, to be exact.