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Parallax, Inc.
PMB-648 GPS SiRF Internal Antenna

Available for In-Store Pickup Only.


In-Store Only


Mfr Part #:

The PMB-648 GPS module provides high performance with a SiRFstarIII chipset and integrated patch antenna. The PMB-648 GPS features 20 parallel satellite-tracking channels for fast acquisition of NMEA0183 v2.2 data for robotics navigation, telemetry, or experimentation. There is a built-in patch antenna; rechargeable battery for memory and RTC backup; cable for power, TTL and RS-232 connections.


Product Information
Mfr Part#28500-RT
GPS Shields/Modules
Chip SiRFstarIII
GPS Frequency 1575.42MHz
Maximum Altitude < 18,000m
Maximum Velocity < 515m/s
Velocity Accuracy <0.1ms (Speed)
Time to First Fix (TTFF) Hot Start: 1s
Cold Start: 42s
Warm Start: 38s
Sensitivity (Autonomous) Acquisition: -148dBm
Tracking: -159dBm
Datum WGS-84
Output Message GGA
Baud rates
Serial Baud Rates 9
DC Characteristics
Supply Voltage (Vcc) +3.3V to +5V
Power Supply
Power Supply VDC 3.3V - 5V
Power Consumption Typical 64mA @ 5VDC
Environmental Specifications
Temperature - Operating (°C) -20ºC to +70ºC
Temperature - Storage (°C) -30ºC to +85ºC
Dimensions 1.25" x 1.25" x .35"
What is in the Box
What's in the Box GPS, Power Cable

Important Add-Ons

Protection Plans

  • No Service Plan


Questions and Answers

More Info

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