Wieland wienet WR-LTE v3 SL, Руководство пользователя

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7 | Technical Parameters
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Wieland Electric GmbH | BA001035 (Rev. A) | 08/2016
7.5 Technical parameters of GPS
GPS specifications
Antenna 50 Ohms – active
Protocols NMEA 0183 v3.0
Frequency 1575.42MHz
Sensitivity Tracking: -161dBm*
Acquisition (Assisted): -158dBm**
Acquisition (Standalone): -145dBm**
Acquisition time Hot start: 1 s
Warm start: 29 s
Cold start: 32 s
Accuracy Horizontal: < 2m (50 %); < 5m (90 %)
Altitude: < 4m (50 %); < 8m (90 %)
Velocity: < 0.2 m/s
*Tracking sensitivity is the lowest GPS signal level for which the device can still
detect an in-view satellite 98% of the time when in sequential tracking mode.
**Acquisition sensitivity is the lowest GPS signal level for which the device
can still detect an in-view satellite 50% of the time.
7.6 Technical parameters of WiFi
WiFi
Antenna connector R-SMA – 50 Ohms
Supported WiFi band 2.4 GHz
Standards 802.11b, 802.11g, 802.11n
Type of device Access point, station
Wi-Fi TX Output Power 17,3 dBm
Wi-Fi RX Sensitivity 96,3 dBm
7.7 Technical parameters of I/O port
•
Characteristics of inputs:
logical 0 / 1 Voltage Current
log. 0 max 3 V 0.4mA
log. 1 min 5 V 0.7mA
log. 1 type 12 V 2mA
log. 1 max 60 V 7mA
•
Binary output parameters:
–
60 V AC/ 300mA
–
60 V DC/ 300mA
7.8 Other technical parameters
Other technical parameters
CPU power 2 DMIPS per MHz
Flash memory 256 MB
RAM 512 MB
M-RAM 128 kB