RGPSM202 Semtech, RGPSM202 Datasheet - Page 12

• Manufacturer Part Number: RGPSM202
• Description: MODULE SLIM GPS RECEIVER LP
• Manufacturer: Semtech

Specifications of RGPSM202

• Frequency: 1.575GHz
• Sensitivity: -143dBm
• Modulation Or Protocol: GPS
• Applications: Automotive, Laptop, PDA
• Current - Receiving: 25mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 3 V ~ 3.65 V
• Package / Case: Module
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Operating Temperature: -
• Memory Size: -
• Data Rate - Maximum: -

Example: The values reported in this example are interpreted as shown in Table 10:
$GPGSA,A,3,07,02,26,27,09,04,15, , , , , ,1.8,1.0,1.5*33
5.3.5
Description: This message reports the satellites in view, their ID numbers, elevation, azimuth, and SNR values (up to
four satellites per message). GSV is described in Table 13.
Example: The values reported in this example are interpreted as shown in Table 13. Two messages are required to
complete the data transmission.
$GPGSV,2,1,07,07,79,048,42,02,51,062,43,26,36,256,42,27,27,138,42*71
$GPGSV,2,2,07,09,23,313,42,04,19,159,41,15,12,041,42*41
© Semtech 2005
GSV—GNSS Satellites in View
Name
Message ID
Number of Messages
Message Number
Satellites in View
Satellite ID
Elevation
Azimuth
SNR (C/No)
…
Satellite ID
Elevation
Azimuth
SNR (C/No)
Checksum
<CR><LF>
1
Depending on the number of satellites tracked multiple messages of GSV data may be required.
Value
1
2
3
1
1
Description
Fix not available
2D
3D
Example
$GPGSV
2
1
07
07
79
048
42
27
27
138
42
*71
Table 13. GGA Data Format
Table 12. Mode 2
Units
degrees
degrees
dBHz
degrees
degrees
dBHz
12
Range 0 to 99, null when not tracking
Range 0 to 99, null when not tracking
End of message termination
Description
GSV protocol header
Range 1 to 3
Range 1 to 3
Channel 1 (Range 1 to 32)
Channel 1 (Maximum 90)
Channel 1 (True, Range 0 to 359)
…
Channel 4 (Range 1 to 32)
Channel 4 (Maximum 90)
Channel 4 (True, Range 0 to 359)
SlimGPS™ Receiver
RGPSM202
www.semtech.com