We’re open for business, and here to support your needs.


0.9 m | 3 ft Standard Performance Parabolic Reflector Antenna, Dual-polarized, 3.3-4.2GHz

SPD3-3.5, SPD3-3.5NS

The SP Standard Performance 3.5GHz Series by RadioWaves offers a cost effective, dual polarized, 3ft parabolic antenna engineered to deliver reliable radio links with a stable 28.1 dBi gain from 3.3 to 4.2 GHz. Designed for CBRS, C-band, private LTE, and world-wide CBRS applications, RadioWaves field-proven pre-assembled SP antennas and robust pole-mounts ensure “set and forget” installation with minimal post-installation maintenance. If it’s rugged, it must be RadioWaves!

Features and Benefits

  • Gain of up to 28.1 dBi with low VSWR and high port isolation across the entire 3.3-4.2 GHz band
  • One 2 x2 MIMO antenna that covers CBRS, C-band, and world-wide 5G applications
  • Fully powder-coated with rugged hardware built to survive the elements
  • Optional Accessories:
    • Conical radome to reduce wind loading
    • Side-strut kits to improve wind survival and operability
  • Rugged Dual N-type Connectors for horizontal and vertical polarization
  • Reduced interference with 38 dB minimum front to back and suppressed side lobes
  • Fully Pre-assembled at the Factory – Simplifies installation and guarantees “factory-tested” quality
Download Spec Sheet

General Specifications

Antenna Type
Standard Performance Parabolic Reflector Antenna
Size, nominal
3 ft | 0.9 m

Electrical Specifications

Operating Frequency Band
3.3 - 4.2 GHz
Half Power Beamwidth, Horizontal
8 degrees
Half Power Beamwidth, Vertical
8 degrees
Cross-Polarization Discrimination
30 dB
Front to Back Ratio (F/B)
34 dB
Gain, Low Frequency
27.3 dBi
Gain, Mid Frequency
28 dBi
Gain, High Frequency
28.2 dBi
Return Loss
-14 dB

Mechanical Specifications

Fine Azimuth Adjustment
+/- 10 degrees
Fine Elevation Adjustment
+/- 25 degrees
Mounting Pipe Diameter, Min
4.5 inch | 11.4 cm
Mounting Pipe Diameter, Max
4.5 inch | 11.4 cm
Net Weight
35 lbs | 15.8 kg
43 lbs | 19.4 Kg with RD radome
Wind Velocity Operational
90 mph | 145 km/h
Wind Velocity Survival Rating
125 mph | 201 km/h
Mechanical Configuration
Axial Force (FA)
492 lbs | 2189 N
271 lbs | 1206 Nm with RD radome
Side Force (FS)
40 lbs | 178 N
64 lbs | 285 Nm with RD radome
Twisting Moment (MT)
545 ft-lbs | 739 Nm
394 lbs | 534 Nm with RD radome
Operating Temperature Range
-40 to +60 C
Max Pressure, PSIG, (if waveguide interface)

Regulatory Compliance

Industry Canada Compliance

Shipping Information

Package Type
Wood Crate
Gross Weight
78 lbs | 35.3 kg
Dimensions, L x W x H
40 x 17 x 44in | 101 x 43 x 140 cm
Shipping Volume
17.31 cu ft | 0.49 cu m

Additional Comments

*Additional OEM interfaces and adapters may be available. Contact RadioWaves for a complete and current list of available adapters.

Technical Drawings

Click to enlarge tooltip