SMS Communication with RS485 Modbus Devices

I'm seeking a skilled professional for a project involving multiple RS485 Modbus devices. The task includes sending SMS messages to these devices to read meter data and subsequently creating an SQL database using the collected information. Key Requirements: - Proficient in working with RS485 Modbus devices - Experience in sending SMS to these devices - SQL database creation and management skills - Familiarity with rs485 modbus rtu data format - Understanding of SIM card usage in devices The meter data is typically in the rs485 modbus rtu format. The connection to the RS485 Modbus devices will be through a SIM card on the device. The ideal candidate for this project should have hands-on experience with this kind of setup and be able to work independently.