References

Radio modems

Gas distribution

SPP, Slovakia

• More than 300 remote sites
• Nation wide - 50 000 km2
• 5 Masters in 5 locations
• IEC 101 and IEC104
• Master-slave & Report-by-exception concurently
• Private IP WAN among radio modems
• Up 5 repeaters in chain
• RANEC

Water distribution

BVK, Czech Republic

• More than 100 remote points
• 400 MHz, 1 simplex channel
• Siemens Simatic 7, Siemens 95U
• Protocols: MARS-A, Siemens 3964R
• Master-slave & Report-by-exception

Weather

Meteorology, Italy

• 7500 square kilometers
• 10.8 kbps/12, 5 kHz
• 70 remote sites
• Outside temperature -30 °C
• Sleep mode for solar power

Municipal transport

DPMB, Czech Republic

• 700 buses, trams, trolley buses
• 25 based stations
• 400 MHz
• 2 simplex channels / 2 groups of vehicles
• GPS positioning
  within 30 sec. from each vehicle
• RANEC

Ships in the open sea

VHF Data, Norway

• Ships in the open sea
• 50 base stations
• Whole Norwegian coast (3000 km)
• 160 MHz
  
• 9 duplex pairs 25 kHz
• 1 duplex pair 200 kHz
• Automatic frequency switching

Transportation

Metro do Porto, Portugal

• Almost 100 trains
• 25 base stations
• 400 MHz
• 1 simplex channel, 12.5 kHz
• Radiating cables
• RANEC

Public safety

Police, Czech Republic

• Special usage
• Customized radio modems
• > 4000 units
• Fixed and mobile networks
• RANEC

GPRS/EDGE/UMTS

Gas distribution

RWE, Czech Republic

• 800 remote sites
• Nation wide - 79 000 km2
• IEC104
• Master-slave & Report-by-exception
• Fully redundant centre
• 2 independent operators

Microwave links

IP network

JAVELIN, Ghana

• Extensive IP network
• Combination of radio modems and microwave links
• Solution for areas with limited infrastructure
• Connection of schools to Internet

ISP backbone

Philcom, Philippines

• Prominent ISP
• Backhaul link
• Proved by typhoon
• 20 km / 170 Mbps
• 120 cm antennas

TV and ISP

UPC, Czech Republic

• Backhaul
• High speed last mile
• Television services
• ISP
• More than 20 RAy links installed