This is part 7. In part 6 i concluded that a wire antenna has a better RSSI than a coil antenna.
I have to revise my conclusion. A coil antenne will have a better RSSI if the coil antenne is mounted horizontally and away from the LoRa module.

In this video i have conducted several tests using:
- a LoRa node with a single wire antenna
- a LoRa node with a coil antenna horizontally oriented above the LoRa module
- a LoRa node with a coil antenna horizontally oriented away the LoRa module
- a LoRa node with a coil antenna vertically oriented away the LoRa module

In all tests i am using the single channel LoRa gateway output to get the RSSI.
The distance between the gateway and node will be approximately 5m with direct line of sight.

Here are my test results:
Test A, LoRa node with coil antenna horizontally oriented, away from the LoRa module perpendicular to Gateway , RSSI = -46
Test B, LoRa node with coil antenna horizontally oriented away from the LoRa module, pointing to Gateway, RSSI = -47
Test C, LoRa node with coil antenna horizontally oriented away from the LoRa module, pointing away from Gateway, RSSI = -46
Test D, LoRa node with coil antenna vertically oriented away from the LoRa module , RSSI = -63
Test E, LoRa node with coil antenna horizontally oriented above the LoRa module , RSSI = -68
Test F, LoRa node with wire antenna (86mm, 868Mhz) , RSSI = -50

To create your own Single Channel LoRa Gateway watch the following videos in this playlist:
[ Ссылка ]

How to create a copper 868MHz coil antenna:
[ Ссылка ]

Check out all my other videos in the series how to Create a LoRa node.
[ Ссылка ]

Subscribe to my YouTube channel
[ Ссылка ]

#mobilefish #lorawan #lora #TheThingsNetwork

свернуть