If the strength of the GSM network is to weak at GSM modem location, it is possible to use one the 3 solutions described below:
- Deport of GSM antenna:
To deport the GSM antenna, you could use a GSM antenna extension up to 20 meters (depending of the cable shield):
- Deport of GSM modem:
To deport the GSM modem (and its antenna), you could use a RS232/IP or USB/IP convertor device.
This architecture is explain into the article Hardware: Deport of equipment which need a serial or USB port connection to ALERT.
- Combinig the both solution above:
In the most complex case, you coul combine the both solution described above to obtain the bigger deport allowed.