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RF Specifications

Rev 6 Mar.13 Proprietary and Confidential - Contents subject to change 47

GPS specifications

Note: For detailed electrical performance criteria, see Recommended GPS antenna speci-

fications on page 67.

Table 5-9: GPS specifications

1. All values are preliminary.

Parameter/feature Description

Satellite channels 12 channel, continuous tracking

Protocols NMEA 0183 V3.0

Acquisition time

Hot start: 1 s

Warm start: 29 s

Cold start: 32 s

Accuracy

Horizontal: < 2 m (50%); < 5 m (90%)

Altitude: < 4 m (50%); < 8 m (90%)

Velocity: < 0.2 m/s

Sensitivity

Tracking

: -161 dBm

Acquisition

(Assisted): -158 dBm

Acquisition (Standalone): -145 dBm

2. 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.

3. Acquisition sensitivity is the lowest GPS signal level for which the device can still detect

an in-view satellite 50% of the time.

Operational limits

Altitude <6000 m or velocity <100 m/s

(Either limit may be exceeded, but not both.)

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Sierra Wireless MP 700 Series Especificaciones Pagina 47