Satellite LoRaWAN™ Gateway
The MinFarm LoRaWAN Gateway is the only solution on the market today that supports LoRaWAN in locations with no telecommunication or power infrastructure.
|The MinFarm LoRaWAN Gateway is the only solution on the market today that supports LoRaWAN in locations with no telecommunication or power infrastructure. Using the Iridium Short Burst Data (SBD) satellite services the MinFarm LoRaWAN Gateway provides LoRa coverage to commercial off-the-shelf (COTS) LoRa sensors anywhere in the world. In ultra low power mode the MinFarm LoRaWAN Gateway can power from a single 50 W solar panel for continuous operation. The MinFarm LoRaWAN Gateway is an IP67 unit, tested for year round operation in extreme outdoor environments.|
|• Save up to 90% on satellite data charges
• Supports the Iridium Short Burst Data (SBD) satellite network
• Powers from a single 50W solar panel and battery in new ultra low power consumption mode
• Integrates with existing LoRaWAN network orchestration tools
• Low satellite airtime running costs: The MinFarm LoRaWAN Gateway’s unique LoRaWAN protocol optimisation means LoRaWAN orchestration services’ chatter and unoptimised sensor data transmission are removed, reducing satellite communication traffic to a minimum (Approaching the sum of LoRaWAN sensor payload data traffic).
• Global coverage with continuous service from trusted satellite networks: MinFarm Gateways allow COTS LoRaWAN sensors work without modification with the Iridium SBD satellite network that provides global and continuous data coverage. The MinFarm Gateway comes with specialized cables with combined power and data, that are required to connect to the Iridium SBD satellite terminals’ combined power and RS-232 data ports.
• Integrates with existing LoRaWAN orchestration services: The MinFarm LoRaWAN Gateway terminates the LoRaWAN traffic in the gateway (using an embedded LoRaWAN network server) but continues to forward the LoRaWAN traffic in an optimised form over the satellite backhaul to a cloud-based bridge server which communicates with the network orchestration services on behalf of the field-based LoRaWAN sensors.
• Runs off solar and other off-grid power sources: The MinFarm Gateway has a 9-36V power input which allows it to work with a wide range of input sources including solar powered batteries. The MinFarm Gateway provides a 24V DC out that will charge a wide range of satellite terminals. In ultra low power mode the MinFarm Gateway can put the attached satellite terminal and itself in a low power mode, to greatly save on power consumption of the entire system. This makes it possible to run the entire system via solar power.
|Ultra low power consumption mode||• The MF-130 features an ultra low power consumption mode that allows it use much less average power than a typical LoRaWAN gateway. This is achieved by synchronizing its operation with the transmit schedule of the sensors. When the sensors are scheduled to transmit or receive packets, the MF-130 will automatically turn on and listen for incoming packets. The rest of the time, the MF-130 enters an ultra lower power sleep mode that uses very little power.
• The MF-130 will also manage the sleep and wake cycles of the satellite modem. For example, the Iridium Edge has a low power mode that consumes less than 200uA. The MF-130 also ensures that the Iridium modem has time to register with the satellite network on wake-up.
|Clock drift at low temperatures||• The gateway obtains a new GPS fix every time it wakes up (e.g. every hour) from the Iridium satellite modem and this is used to reset the gateway clock to the correct time.
• The satellite modem takes 30-40 seconds to get a GPS fix from a cold start. Even if this fix is missed for a particular wake-up interval, the maximum clock drift is less than one second per hour so the gateway will reset the clock on the next wake-up interval.
• Once the modem has a GPS fix, the GPS subsystem can be turned off to save power (i.e. operated in non-continuous mode).
|Operating conditions||• The MF-130 electronics are housed in an IP67 sealed enclosure. The enclosure itself acts as a passive heatsink for the electronics.
• The MF-130 operates at extreme temperatures: -33C to 75C
• The MF-130 contains an accurate realtime clock that works at extreme temperatures. The realtime clock is initially set using the GPS information obtained from the satellite network. The realtime clock is maintained using a coin-cell battery.
|Power||• The MF-130 can be powered using a solar panel and a battery. Because the MF-130 uses very little power on average it can be continuously powered using a solar panel configuration. This ensures that the system can run entirely off-grid
• The MF-130 is powered via its dedicated 3-pin DC IN port. This accepts 9-36V and uses 2 pins (positive and ground), the 3rd pin being unused.
• The MF-130 provides power and data to the Iridium SBD satellite modem via a custom RS-232 and power cable.
|• Remote dam monitoring with LoRaWAN
Remote dam monitoring requires engineers to make onsite visits to measure key safety metrics. These onsite visits to locations that are often extremely remote are expensive and do not occur on a frequent basis. LoRaWAN sensors with satellite connectivity offers 24/7 availability of key sensor metrics, that can enable remote engineers, take decisions regarding the safety of the dam and when onsite visits are necessary. This leads to lower running costs of dam maintenance, better flood monitoring and real-time warning systems.
• Remote water pipe monitoring with LoRaWAN
Remote pipeline monitoring with a MinFarm LoRaWAN Gateway, both reduces the requirement for onsite maintenance visits by engineers to pipeline infrastructure and greatly enhances the effectiveness of such visits to identify pipeline components that are leading to water loss. A single MinFarm LoRaWAN Gateway is capable of giving up to 15 km radius coverage to multiple water sensors that monitor water levels. The Gateway can operate entirely off-grid, drawing power from a single 50 W solar panel and communicating via Inmarsat or Iridium packet data services. Both grid power and terrestrial communications infrastructure are typically absent or unreliable over the entirety of a remote pipeline. Where leakage of water can be anywhere between 20% to 50% of water supply, realtime data provided to remote engineers via low cost satellite links is a very effective way to improve water infrastructure performance.
|+ Satellite LoRaWAN™ Gateway|
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