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The ALTA Serial MODBUS Gateway acts as a data concentrator for ALTA wireless sensor networks. This device incorporates Monnit's ALTA Access Point Node (APN) and Serial RS-232C and RS-485 Interfacing hardware.
| Monnit Serial MODBUS Gateway Specifications | |
| Max Operating Temperature | -40 to +85 °C (-40 to 185 °F) | 
| Storage Temperature: | -40 to +85 °C (-40 to 185 °F) | 
| ALTA 868 MHz Specifications | |
| Operating Frequency | 868 MHz Operating Frequency | 
| Device Range | Up to 1,000 ft. non-line-of-sight, wireless device range* | 
| Security | Diffie-Hellman Key Exchange + AES-128 CBC | 
| Certifications | CE Certified. Tested and found to comply with: EN 300 220-2 V3.1.1 (2017-02), EN 300 220-2 V3.1.1 (2017-02) and EN 60950. | 

The ALTA Serial MODBUS Gateway acts as a data concentrator for ALTA wireless sensor networks. This device incorporates Monnit's ALTA Access Point Node (APN) and Serial RS-232C and RS-485 Interfacing hardware.
| Monnit Serial MODBUS Gateway Specifications | |
| Max Operating Temperature | -40 to +85 °C (-40 to 185 °F) | 
| Storage Temperature: | -40 to +85 °C (-40 to 185 °F) | 
| ALTA 868 MHz Specifications | |
| Operating Frequency | 868 MHz Operating Frequency | 
| Device Range | Up to 1,000 ft. non-line-of-sight, wireless device range* | 
| Security | Diffie-Hellman Key Exchange + AES-128 CBC | 
| Certifications | CE Certified. Tested and found to comply with: EN 300 220-2 V3.1.1 (2017-02), EN 300 220-2 V3.1.1 (2017-02) and EN 60950. | 


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