57
Appendix. Specifications
The A720 series was intended to fulfill the specification of the ETSI 300 220, Class I, Subclasses a and b, but other national norms are similar to this (for example, the CFR 47, Part 90, Subpart J). Table 6 shows the main operational parameters of the A720 series.
Table 6. Operational Parameters
Parameter | Min | Typ | Max | Unit |
|
|
|
|
|
Common |
|
|
|
|
|
|
|
|
|
Supply | 5.0 | 6.2 | 10.0 | V |
|
|
|
|
|
Operating Temperature |
| +70 | °C | |
|
|
|
|
|
Relative Humidity | 10 |
| 99 | % |
|
|
|
|
|
Class Protection |
| IP65 |
|
|
|
|
|
|
|
Data Rate (using the onboard software modem) | 1000 | 150a | 2000 | bps |
Operating Frequency (low band version)b | 432 |
| 450 | MHz |
Operating Frequency (high band version)b | 450 |
| 470 | MHz |
Frequency Stability |
|
| ±1.5 | kHz |
Frequency Stability |
|
| ±2.5 | kHz |
|
|
|
|
|
