Somero/Trimble/Spectra Precision Laser Screed Grade Receiver Model R2N-S $1000.0 Brand Spectra Precision Model Spectra Precision MPN r2n-s Country/Region of Manufacture United States condition Used SPECTRA PRECISION R2N-S LASER RECEIVER. We used these on our Somero S240 laser screed and S160 unit.They are all working when we stopped using them.