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RPS-42 · MHR family

Leonardo DRS (RADA) · United States

RADA's RPS-42 (now Leonardo DRS) is an S-band software-defined pulse-Doppler hemispheric radar — each panel 90° az × 80° el; four panels = full hemispheric coverage to ~30 km, 30 ft–30,000 ft. 1000+ units delivered; used by USS Boxer as its C-UAS sensor and across many SHORAD programs. MHR/ieMHR/exMHR variants extend the family.

CountryUnited States
SubcategoryRadar
PriceQUOTE-BASED · 1000+ delivered
SubtypeActive radar
Form factor4-panel hemispheric
UseCounter-UAS
BandS
TypePulse-Doppler
SWaP23 kg/panel; 105 kg/4-panel system; 320 W avg/panel; 28 V; no forced cooling
Sensor modalityActive S-band pulse-Doppler
Notable partnersInside Rafael Drone Dome; USS Boxer C-UAS sensor
Coverage360°
Scan typeStaring/electronic (AESA)
MountingFixed/mast, Vehicle
Price bandQuote-based
ArchitectureNon-rotating solid-state SDR; GaN AESA; digital beam-forming; 90°/panel, 4 = 360° hemisphere
Output dataPosition, Velocity, Altitude, Bearing/AoA, Classification, Track ID
Micro-DopplerUnknown
Track capacity100
Active/PassiveActive
Detection range (km)30
Tx power & licensing60 W avg/panel
Detection range (km)30
Environmental rating-40 C to +55 C; 35 mph wind
Integration interfacesGigabit Ethernet, discretes, serial; any C4I
All-weather / day-nightAll-weather, day & night
Min radial velocity (m/s)2.57
Range resolution/accuracyRange accuracy 50 m; min range 150 m
Angular accuracy/resolution<0.5°; elevation -10 to +70°
Range vs RCS / target class25-30 km aerial vehicles; nano-UAV ~3.5 km
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Review-stage catalogue data — specs corroborated from manufacturer and secondary sources; not for procurement decisions. Source: www.leonardodrs.com/what-we-do/products-and-services/multi-mission-hemispheric-radar