RAK7246 LoRaWAN Developer Gateway Features Raspberry Pi Zero W

19th February 2020 Harshvardhan Mishra

RAKwireless, a leading provider of IoT solutions all over the world, announced the release of their newest RAK7246 LoRaWAN gateway and RAK7246G LoRa gateway that best suit cost-effective projects for prototype design, concept demonstrations, and development evaluation.

We use LoRaWAN gateways for outdoor, meant to be deployed in the field usually cost several hundred dollars, But it is costly, so companies also offer cheaper gateways for indoor use that can be used by developers.

Recently RAKwireless has now worked on providing much cheaper indoor/developer gateways with their RAK7246 and RAK7246G LoRAWAN developer gateways with the latter adding GPS. RAK7246 is available.

The RAK7246 is a LoRaWAN™ Developer gateway is the model without the GPS function. It is a device composed of a the RAK2246 Pi HAT LoRaWAN™ Concentrator module and Raspberry Pi Zero W. The RAK2246 Pi HAT is based on a Semtech SX1308 chip, which allows for simultaneous reception over 8 LoRa channels, which cover the entirety of the international high-frequency LoRaWAN™ space. The RAK7246 is an ideal choice for prototype design, concept verification and demonstrations, development evaluation and other scenarios. It is developer-friendly due to its minimalistic design that reduces cost and allows for easily accessing the internals. It is easy to set-up, which makes it a good choice for both experienced and novice LoRa specialists.

RAK7246 Specifications:

SBC – Raspberry Pi Zero W board with Broadcom BCM2835 ARM11 processor @ 1GHz, 512MB RAM
Storage – 16GB MicroSD card
Connectivity
- 802.11 b/g/n WiFi and Bluetooth 4.0 via Cypress CYW43438 module found on RPi Zero W board
- RAK2246 Pi HAT LoRaWAN concentrator module:
  - SX1308 baseband processor
  - Full 8 uplink channels and 1 downlink channel
  - Tx max: 20dbm, Rx min (sensitivity): -139dbm @ SF12 at 125kHz
  - Frequency bands – RU864, IN865, EU868, US915, AU915, KR920, AS923
  - LoRaWAN 1.0.2 protocol.
  - External LoRa antenna
- GNSS – RAK7246G only: Ublox MAX-7Q GPS module + GPS antenna
Video Output – HDMI port
USB – 1x Micro USB OTG port, 1x Micro USB port for power only
Camera I/F – 1x CSI camera connector
Power Supply – 5V/2.5A via micro USB port
Dimensions – 96 x 66 x 47 mm excluding antennas

Here you can find a step-by-step tutorial (Published by company) explaining how to set up the board and connect it to The Things Network (TTN), ChirpStack (previously known as LoRaServer project), or ResIOT platform for smart city or industry 4.0 IoT projects.

RAK7246 LoRAWAN developer gateway is sold for $99 plus shipping, while the RAK7246G variant goes for $114. Either can be purchased on Aliexpress or RAK Wireless store.

The difference of RAK7246 LoRAWAN developer gateway from other gateways, however, is its focus on users who want to learn more about IoT (Internet of Things) and start-ups that need primary optimization in their business solutions.

Source :- https://www.rakwireless.com/en-us/products/rak7246g

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