Huawei SUN2000 3,6KTL-L1 Quick Manual page 7

WLAN Antenna (WLAN Communication)
(Optional) WLAN-FE Smart Dongle (FE Communication)
You are advised to use a Cat 5e outdoor shielded network cable (outer diameter < 9 mm;
internal resistance ≤ 1.5 ohms/10 m) and shielded RJ45 connectors.
Ensure that the WLAN antenna is
installed securely.
4G/FE
6