15.12.2020, 07:51
These antennas provide good signal levels and are relatively cheap: https://eu.mouser.com/Search/Refine?FS=T...4292906361
A slight disadvantage is that it has to be mounted on a 2mm PC/ABS plastic sheet and some manual soldering is required.
This is a possible replacement but it has not been tested yet: https://eu.mouser.com/ProductDetail/Ante...9G4A%3D%3D
Also keep in mind that all antennas should be oriented the same way for better performance. You should also check which orientation provides the best signal level in your installation.
The dBi figures for antennas from AliExpress are usually not true at all
Another thing to keep in mind that for the best performance standard antennas require a ground plane - either using wires or a big PCB beneath the antenna. Here's a good but more expensive solution: https://www.conrad.com/p/aurel-gp-433-gr...nna-190073
A slight disadvantage is that it has to be mounted on a 2mm PC/ABS plastic sheet and some manual soldering is required.
This is a possible replacement but it has not been tested yet: https://eu.mouser.com/ProductDetail/Ante...9G4A%3D%3D
Also keep in mind that all antennas should be oriented the same way for better performance. You should also check which orientation provides the best signal level in your installation.
The dBi figures for antennas from AliExpress are usually not true at all
Another thing to keep in mind that for the best performance standard antennas require a ground plane - either using wires or a big PCB beneath the antenna. Here's a good but more expensive solution: https://www.conrad.com/p/aurel-gp-433-gr...nna-190073