28501 Parallax Inc, 28501 Datasheet - Page 2

• Manufacturer Part Number: 28501
• Description: Antennas PMB-688 GPS SiRF Internal/ExternalAnt
• Manufacturer: Parallax Inc
• Series: Polstarr

Specifications of 28501

• Dimensions: 39 mm L x 33 mm W x 9 mm H
• Technology Type: GPS Antenna
• Frequency: 1575.42 MHz
• Sensitivity: -159dBm
• Data Rate - Maximum: 4.8Mbps
• Modulation Or Protocol: GPS
• Applications: General Purpose
• Current - Receiving: 65mA
• Data Interface: Connector
• Memory Size: -
• Antenna Connector: On-Board, Patch, MMCX
• Features: -
• Voltage - Supply: 3.3 V ~ 5 V
• Operating Temperature: -20°C ~ 70°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PMB-688 Specifications
GPS IC
Receiver:
Accuracy:
Acquisition Time: Cold Start:
Sensitivity:
Dynamics:
Navigation update
rate :
Serial Port :
Baud Rate :
Output Message: NMEA0183 V2.2 GGA, GSV, GSA, RMC (optional VTG, GLL)
Datum:
Power supply :
Power
Consumption :
LED Function
Operating Temp.: -20℃~+70℃
Storage Temp.:
Humidity:
Antenna Type:
RF Connector:
Position: 2DRMS approximately 5m, WAAS support
Velocity: 0.1 m/s without SA imposed.
Time: ±1μsec
Warm Start:
Hot Start:
Acquisition: -148dBm
Tracking:
Altitude:
Velocity:
Acceleration:
Once per second
TTL
WGS 84
DC 3.3V ~ 5V
Typical 65mA @12V
Power on/off and Navigation
-30℃~+85℃
Built-in patch antenna
MMCX type (Optional : Active Antenna)
SiRFstar III
Tracking up to 20 satellites L1, 1575.42 MHz, C/A code
4800 bps (Optional 9600,19300,38400 bps)
5%~95%
-159 dBm
42sec (Average)
38sec (Average)
18000m (Max.)
1sec (Min.)
515m/s (Max. )
±4g (Max.)