iHC-3308GW: antenna with long cable available?

Type: Official Firmware
Filename: 20221212
Download Address: ??
Log: log.zip

iHC-3308GW. Is there an option to connect (active) external cellular network antenna with long cable (e.g. 1.5 m)?
tchip_askquestions
log.zip (155 Bytes)

This is not sure, we have not tried to use such a long antenna. I want to consult our hardware engineer.

Hello, is there any update on the question please?