With the glass, it may be influenced by the coatings used to retain infrared
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Building condition | Attenuation | ||
Exterior | Insulation (non-metallic type) | 860 MHz | 1,550 MHz |
Wood siding | Ceiling only | 2.9 dB | 5.0 dB |
Wood siding | Ceiling and wall | 4.5 dB | 6.6 dB |
Brick Veneer Briques | Ceiling only | 4.1 dB | 6.2 dB |
Brick Veneer Briques | Ceiling and wall | 5.7 dB | 7.8 dB |
Building number | Construction | Remarks | Mean loss, Average position |
Mean loss, Best position |
1 | Corner office, large windows, single-story building. Concrete block, plasterboard, double-glazing. Concrete roof on steel beams | Line of Sight through window | 7.9 dB | 4.2 dB |
2 | Small room with windows being 5/8 of exterior wall | Line of Sight through window | 9.1 dB | 5.4 dB |
3 | Corner foyer, large reflective glass door in half of one exterior wall. External walls concrete, internal walls plasterboard on metal frame | Line of Sight through window | 15.4 dB | 9.7 dB |
4 | Sheet metal shack with plywood interior. One small unscreened window on each of two sides, metal-covered door | 9.7 dB | 5.2 dB | |
5 | Two-story wood-side house, rockwool insulation (walls and attic); gypsum board, no metallic heat-shield. No metallic screens on windows. Wood shingled roof | 9.0 dB | 5.4 dB | |
6 | Empty sheet-metal mobile trailer home, metal frame windows with metal screens | 24.9 dB | 19.8 dB |
Building Type | 700 MHz | 2,500 MHz |
Residential | 4.6 dB | 8.5 dB |
Industrial/Commercial | 14.5 dB | 10.2 dB |
MATERIAL | LOSS |
Porus Concrete | 6.5 dB |
Reinforced Glass | 8 dB |
Concrete (30 cm) | 9.5 dB |
Thick Concrete Wall (25 cm) With Large Glazed Panes | 11 dB |
Thick Concrete Wall (25 cm) Without Glazed Panes | 13 dB |
Thick Wall (>20cm) | 15 dB |
Tile | 23 dB |
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