Maestro A2100-A Bedienungsanleitung PDF herunterladen (Seite 9)

V1.2 – May-11 User’s Manual Page 9 of 37

1.5 Characteristics

The modules are characterized by the following parameters.

1.5.1 GPS Characteristics

Channels 48, parallel tracking

Correlators ~ 400,000

Frequency L1 (= 1,575 MHz)

Tracking Sensitivity

(1)

-163 dBm

Horizontal Position Accuracy Stand alone < 2.5 m CEP (SA off)

Obscuration recovery

(2)

0.1 s

Hot start

(3)

< 1 s

Warm

(4)

< 32 s

Time To First Fix – TTFF

(theoretical minimum values;

values in real world may differ)

Cold

(5)

< 35 s

Table 1: A2100-A/B GPS characteristics

(1) Typical with good antenna – see also paragraph “3.2 Antennas”

(2) The calibrated clock of the receiver has not stopped, thus it knows precise time (to the µs level).

(3) The receiver has estimates of time/date/position and valid almanac and ephemeris data.

(4) The receiver has estimates of time/date/position and recent almanac.

(5) The receiver has no estimate of time/date/position, and no recent almanac.

Note: Performance (sensitivity and TTFF) might slightly decrease below -30°C.

1.5.2 Mechanical Characteristics

A2100-A/B Mechanical

dimensions

Length

Width

Height

15.24 mm, 0.6”

2.4 mm, 0.095”

A2100-A/B Weight 1.2 g, 0.042 oz

Table 2: A2100-A/B dimensions and weight

1.6 Handling Precautions

The GPS receiver module A2100-A/B is sensitive to electrostatic discharge (ESD).

Please handle with appropriate care.

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