Particle ONE402MEA Manual page 11

Antennas
As the GNSS antenna faces the top of the case, you also want the top of the case facing the sky to
the greatest extent possible. You will likely be be unable to get a GNSS lock with the top facing
down.
Antenna Location
GNSS Carrier Board (faces top of case)
Wi-Fi Left Side
BLE Left Side
NFC Top
Cellular Right Side