Research Article
Development of an IoT-Based Indoor Air Quality Monitoring Platform
Table 7
Specifications of the LTE module.
| Index | Specification |
| Communication method | LG U+ LTE B5/B7 FDD cat. 4 | Band | LTE FDD 850 MHz(B5)/2.6 GHz(B7) | Interface | DB9 RS-232, RJ-45 ethernet, GPIO | Data speed | 150 mbps DL/50 mbps UL | Input voltage | 4.5 to 5.5 V | Operating temperature | -20 to 60 Celsius |
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