Outdoor Gateway Mesh with Sub-G Backhaul
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Used for outdoor networks with Sub-G LoRa Backhaul for gateway-to-gateway communication.
The Gateway Mesh is an open-source protocol co-developed by ChirpStack and RAKwireless. It enables a multi-hop LoRaWAN mesh network, significantly extending coverage beyond standard single-hop gateways. Designed for outdoor scenarios, this solution uses Sub-G LoRa for gateway-to-gateway communication. You can choose either 8xx MHz or 9xx MHz LoRa based on your country’s LoRaWAN frequency requirements.
This option uses the sub-GHz band for relaying, providing long-distance coverage between gateways. It is a cost-effective solution as it requires only one concentrator, making it ideal for large areas like agricultural fields, remote monitoring sites, and expansive industrial facilities. However, the sub-GHz band is shared with end devices, which may lead to lower network capacity. Additionally, duty cycle limitations can vary depending on the region. Sub-G Relays are best suited for deployments where extending range is the primary goal and the message count remains in the low thousands per day.
Please select a LoRaWAN region according to this table:
|
800 MHz |
EU868/IN865/RU864 |
|
900 MHz |
US915/AU915/KR920/AS923 |
Solution characteristics (for sub-GHz relay)
|
Devices per network |
Typically 1000 sensors, depending on topology and messages/day |
|
Distance between gateways |
Between 2 and 10 km, depending on locations |
|
Radio channels |
8 RX + 1 TX |
|
Relay configuration |
Selectable SF, BW and TX power |
|
Maximum hops |
8, recommended 3-4 |
|
Network monitoring |
Heartbeat messages |
|
Network flooding management |
Per-gateway message ID cache Per-gateway max hop count |
|
Network security |
Standard LoRaWAN security for messages to/from end-devices |
|
Gateway power |
Power adapter |
|
Gateway installation |
Pole mount |
The solution includes:
-
One or more relay gateways
- RAK7267 for a cost-effective option with a built-in antenna
- RAK7289V2 for users preferring an external antenna
- RAK7289CV2 (with LTE) as the border gateway
You can purchase multiple relay gateways depending on the range you plan to cover for testing and deployment.
Reference:
All gateways use the latest SX1303 LoRa core, providing enhanced sensitivity and performance. The concentrator is shared for both end-device communication and mesh networking, which might impact overall network capacity.
Product Features
Border Gateway: RAK7289CV2 (with LTE)
- Multi-Backhaul Support: Ethernet, Wi-Fi, and Cellular (RAK7289CV2)
- Power Options: Compatible with RAK Battery Plus off-grid system
- Enclosure Design: IP67-rated enclosure with internal LTE, Wi-Fi, and GPS antennas
- Pre-Flashed Software: ChirpStack Gateway OS with Gateway Mesh protocol
- Connectivity: LoRa Sub-GHz and LTE
Relay Gateway Options
Option 1: RAK7267 (Built-in Antenna)
- Compact Design: Industrial IP67-rated enclosure for weather resistance
- 8-Channel LoRaWAN Support: Sub-GHz LoRa concentrator
- Built-In Antennas: For LoRa, Wi-Fi, and GPS
- Power Input: DC 9-36V compatible
- Cat-1 LTE: GPS included for location tracking
Compatibility: Supports RAK Solar Battery Kits
Option 2: RAK7289V2 (External Antenna)
- Enclosure: IP67/NEMA-6 industrial-grade enclosure with cable glands
- 8-Channel LoRaWAN Support: Sub-GHz LoRa concentrator (RAK5146)
- Multi-Backhaul Support: Wi-Fi, Ethernet (RAK7289V2)
- External Antennas: External LoRa antenna; internal for Wi-Fi, GPS
- Power Options: PoE (802.3af) with Surge Protection, or DC 12V
- Dying Gasp: Power failure protection with advanced "dying gasp" function
Compatibility: Supports RAK Solar Battery Kits
Software Features (for Both Border and Relay Gateways)
- ChirpStack Gateway OS Pre-Flashed
- LoRaWAN Versions Supported: 1.0.0 to 1.0.4, 1.1.0
- Mesh Whitelisting and Filtering Capabilities
Product Inclusions
-
For the Border gateway (RAK7289CV2)
- 1pc Gateway (As per option selected)
- 1pc Ethernet Cable Gland (As per option selected)
- 1pc POE Injector (As per option selected)
- 1pc Mounting Brackets (As per option selected)
- 1 Screw set (As per option selected)
-
For Extenal Antenna Relay gateway (RAK7289V2)
- 1pc Gateway (As per option selected)
- 1pc Ethernet Cable Gland (As per option selected)
- 1pc POE Injector (As per option selected)
- 1pc Mounting Brackets (As per option selected)
- 1 Screw set (As per option selected)
-
For Built-in Antenna Relay gateway (RAK7267)
- 1 pc RAK7267 WisGate Soho Pro (As per option selected)
- 2 pc Vertical Mounting Kit (As per option selected)
- 2 pc Pole Mounting Brackets (As per option selected)
- 1 pc 1.5 meter DC cable and power adapter (As per option selected)
- 1 pc 1.5 meter Battery Plus cable (As per option selected)
Note：The LoRa antennas for the RAK7289V2 are not included. They need to be bought separately. Ensure to select a subGhz frequency band antenna for each gateway (relay if required and border gateway) in the check to include.
Documentation
Questions and Answers
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