The Effective radiated power from an Gigaset N870E with the Gigaset delivered Antennas (3dB) is compliant with the German / European regulations for the DECT radiated power. Check your own country regulations. When using an external antenna, the formula Antenna gain - cable loss <= 3dB is still valid. We need to reduce the power with 5dB to match the European regulations. Cable dB gain loss The cable loss depends on: - Cable type
- Cable Length
- Cable diameter
Examples: Type | Diameter | Loss |
---|
RG223 | 5.4 mm | Loss/100m: 60 dB | RG174/U | 2.8 mm | Loss/100m: 142dB | Aircell 5 | 5 mm | Loss/100m: 45 dB | Aircell 7 | 7 mm | Loss/100m: 21 dB | Ecoflex 15 | 15 mm | Loss/100m: 16 dB |
Example: Using 5 meter RG223 cable = 3 dB loss Antenna gain - cable loss <= 3dB 8 dB - 3 dB = 5 dB is still 2 dB to high.
The signal strength can be further reduced by the system: FAQ Nx70 - Base stations Edit |