Transmission of Measured Data
- via data cable
- radio path 2.4 GHz (WLAN 802.11g)
- GSM radio telephone
Transmission via Data Cable
Advantage:
- secure data transmission
- with RS422 over 1,000 m
- voltage supply by the same cable
- cost-effective
Disadvantage:
- Laying cables can be difficult
Data Transmission by Radio 2.4 GHz (WLAN 802.11g)
Advantage:
- wireless connection between weather station and PC (no cables) or
- weather station with WLAN-transmitter in a network with IP-address
- galvanically isolated, so that the PC is protected against stroke of lightning
Disadvantage:
- very susceptible to interference
- distance very much dependent on the weather
- expensive
Data Transmission by GSM-Radio Telephone
Advantage:
- flexible data retrieval
- comparatively secure connection
Disadvantage:
- cost for data retrieval
- high investment cost
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