The following tables contain the specifications for the Real Freedom Data
Transmitter.
View the Real Freedom Data
Transmitter datasheet.
Compliance
Table 1. Compliance information
| Parameter |
Specification |
| FCC |
Parts 15 & 90 |
| CE |
R&TTE Directive |
Environmental
Table 2. Operating and storage specifications
| Parameter |
Specification |
| Humidity |
95% non-condensing |
| Ingress |
Weatherproof to IP67 |
| Operating/storage temperature |
14° to 131°F / -10° to +55°C |
Operation
Table 3. Operational specifications
| Parameter |
Specification |
| Output power |
250 mW to 2 W (selectable from the receiver) |
| Connector |
N (F) |
| Frequency |
430–490 MHz (410–430 MHz optional) |
| Tuning step |
6.25, 10 & 12.5 kHz |
| Modulation |
GMSK |
| Adjacent Channel Power Ratio (ACPR) |
> -60 dBc |
| Spurious (operating) |
> -36 dBm |
| Spurious (standby) |
> -57 dBm |
Physical
Table 4. Size, weight and mounting specifications
| Parameter |
Specification |
| Size (W x H x D) |
2.95 in x 5.47 in x 1.14 in / 75 mm x 139 mm x 29 mm |
| Weight |
0.97 lb. / 0.44 kg |
| Mounting |
Pole clamp with ¼-20 fitting |
Power and control
Table 5. Power and control parameters
| Parameter |
Specification |
| Connector |
LEMO 4-pin HGG0K-304-CLLP |
| Data |
From downconverter via LEMO I/O |
| Power |
9–36 V DC via LEMO I/O |
