PU-RAM Description
PU foam based absorbers are lightweight, high in performance and quality, and can be used in a variety of environments. They can be applied near the antenna site, used to reduce side lobe, improve front to back ratio, absorb clutter, eliminate interference, as well as camouflage and conceal military facilities.
PU-RAM Specifications
PU-RAM Polyurethane Foam RF Absorber Features:
- Frequency range: 30 MHz - 100 GHz
- Power Handling: 1.5 kW/m²
- Typical Reflection Loss: 35-45 dB
- Oxygen index ≥29% (GB/T2406-93), flame retardant B2 level (GB8624-1997)
- Working temp (long time): -50C~90C
- Working temp (short time): -100C~120C
- Relative humidity: 55%±15%
PU-RAM Polyurethane Foam RF Absorber Types:
- PU-RAM-P: Foam based pyramidal absorbers
- PU-RAM-F: Foam based flat absorbers
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Custom Field
Frequency Range 30 MHz - 100 GHz
Power Handling 1.5 kW/m²
Reflection Loss (Typical) 35-45 dB
Applications EMC, RF and mmWave Testing, OTA, 5G, IoT, Antenna Measurement
Mounting Adhesive or Velcro
Fire Retardent Yes
Test Standards IEC 61000-4-3, MIL-STD 461, CISPR 16