Hi, we tested well many antennas.
The best value are 2 antennas:
- BT-560D - https://ru.aliexpress.com/item/33049914015.html
- AN-301 - https://ru.aliexpress.com/item/32849606140.html
Both they are L1 and the same parts inside.
The same SNR results.
BT-560D is promotion price now on Aliexpress.