28146 Parallax Inc, 28146 Datasheet - Page 4

• Manufacturer Part Number: 28146
• Description: MODULE RECEIVER PARALLAX GPS
• Manufacturer: Parallax Inc

Specifications of 28146

• Frequency: 1.575GHz
• Sensitivity: -139dBm
• Modulation Or Protocol: GPS
• Applications: GPS
• Current - Receiving: 115mA
• Data Interface: PCB, Through Hole
• Antenna Connector: On-Board, Chip
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: Module
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Data Rate - Maximum: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Cmd
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
Parallax GPS Receiver Module * Revision 1.1
To send a command to the GPS Receiver Module, the user must first send the header string, which is
“!GPS” without the quotes, followed by the specific command byte of their choice.
Each command consists of a single byte in hexadecimal. Depending on the command, a specific
number of data bytes will be returned. The complete command list and returned variables are as
follows:
Other Specifications
Electrical Characteristics
Absolute Maximum Ratings
Condition
Operating Temperature
Storage Temperature
Supply Voltage (V
Ground Voltage (V
Voltage on any pin with respect to V
NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent
damage to the device. This is a stress rating only and functional operation of the device at those or
any other conditions above those indicated in the operation listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods may affect device reliability.
Constant
GetInfo
GetValid
GetSats
GetTime
GetDate
GetLat
GetLong
GetAlt
GetSpeed
GetHead
•
•
•
•
The navigation update rate of the GPS Receiver Module is once per second.
High sensitivity (-152 dBm for tracking and -139 dBm for acquisition).
The Module contains a built-in rechargeable battery for memory and real-time clock back-up.
On average, the Module has a +/-5 meter position accuracy and a +/-0.1 meter per second
velocity accuracy.
CC
Description
GPS Receiver Module version
Check validity of data string
Number of acquired satellites (12
maximum)
Time (UTC/Greenwich Mean Time)
Date (UTC/Greenwich Mean Time)
Latitude
Longitude
Altitude above mean-sea-level (in
tenths of meters, 65535 maximum)
Speed (in tenths of knots)
Heading/direction of travel (in
tenths of degrees)
SS
)
)
SS
Value
-40ºC to +85ºC
-55ºC to +100ºC
+4.5V to +5.5V
0V
-0.6V to +(Vcc+0.6)V
Returned
Bytes
2
1
1
3
3
5
5
2
2
2
Variables
(1 Byte Each Unless Noted)
Hardware, Firmware
Hours, Minutes, Seconds
Month, Day, Year
(Word), Direction (0 = N, 1 = S)
Degrees, Minutes, Fractional Minutes
(Word), Direction (0 = E, 1 = W)
Altitude (Word)
Speed (Word)
Heading (Word)
0 = Not Valid, 1 = Valid
Degrees, Minutes, Fractional Minutes
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