{'model': 'FT-004B', 'temperature_C': -2.1, 'mode': 'ISM', 'timestamp': 1771246573000, 'freq': 433920000}
{'model': 'FT-004B', 'temperature_C': -1.9, 'mode': 'ISM', 'timestamp': 1771246633000, 'freq': 433920000}