| Electrical | |
|---|---|
| average input power max (W) | 200 | 
| bandwidth (MHz) | 90 | 
| connector | N-Female (Socket) | 
| frequency range (MHz) | 870 to 960 | 
| impedance (Ω) | 50 | 
| lightning protection | DC ground | 
| pattern | Omni-directional | 
| polarization | vertical | 
| Mechanical | |
|---|---|
| actual shipping weight (lbs) | 2.5 | 
| ground plane (min) | 10x10 | 
| ground plane min | 10x10 | 
| ingress protection | 65 | 
| length (in) | 7.37 | 
| length height (in) | 2.09 | 
| mounting hardware | BOLT M6 x 25, A2 | 
| radome material | Grey, Fiberglass | 
| shipping dimensions (in) | 10x5x5 | 
| Width (in) | 3.7 | 
| Environmental | |
|---|---|
| temperature range (°C) | -30 to 60 | 
 
         
      

 ST421R-SF3SNF-Spec-Sheet.pdf
 ST421R-SF3SNF-Spec-Sheet.pdf