GlobalSat WorldCom BT 328 User Manual

BT-328 User Manual page 1 of 10

BT-328

Bluetooth GPS Receiver

User manual, version 1.0

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1. Overview

X

Y

Z

[

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Power button

AC adapter jack

Power status LED

GPS status LED

Bluetooth status LED

Car charger AC adapter

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2. System Specification

Model Name BT-328

Electrical Characteristics (Receiver)

Chipset SiRF GSC2

Frequency L1, 1575.42 MHz

C/A Code 1.023 MHz chip rate

Channels 12

Tracking Sensitivity -155 dBm

Accuracy

Position Horizontal 10m 2D RMS

WAAS enabled 5m 2D RMS

Time 1 micro-second synchronized to GPS time

Velocity 0.1m/sec 95%

Datum

Datum WGS-84

Acquisition Rate

Hot start 8 sec. average (with ephemeris and almanac valid)

Warm start 38 sec. average (with almanac but not ephemeris)

Cold start 42 sec. average (neither almanac nor ephemeris)

Reacquisition 0.1 sec. average (interruption recovery time)

Protocol

GPS Output Data NMEA 0183 protocol, and supports command:

GGA, GSA, GSV, RMC, VTG, GLL.
(VTG and GLL are optional)

Dynamic Condition

Acceleration Limit Less than 4g

Altitude Limit 18,000 meters (60,000 feet) max.

Velocity Limit 515 meters/sec. (1,000 knots) max.

Jerk Limit 20 m/sec**3

Power

Voltage Built-in rechargeable battery (1300 mAh) and 5V DC input charging circuit

Operation Time 16 hr. After fully recharged, in continuous mode

Physical Characteristics

Dimension

Weight 65g

Temperature

Operating

Humidity Up to 95% non-condensing

67.5mm X 45mm X 17mm

-20ºC ~ 60ºC

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3. Bluetooth Specification

Bluetooth V1.2 Compliant

Supply Voltage 2.8V ~ 3.3V

Frequency Range 2.402 ~2.480 GHz

Receiver Sensitivity – 80 dBm

Transmit Power Class 2

Transmitting Range 10 m

Power Consumption 45 mA (Typical)

4. Features

 New SiRF GSC2 high performance and low power consumption chipset
 Communication with Host Platform via Bluetooth Serial Profile
 Built-in ceramic patch antenna
 Support NMEA 0183 data protocol
 3 LED to show the status of GPS/Bluetooth/Battery
 Rechargeable Li-ion battery
 Operation time: 16 hours, in continuous mode
 Auto power-off, if Bluetooth is not connected to any device within 10 minutes

 Bluetooth operation range: 10m

5. Introduction

The BT-328 is a GPS receiver with Bluetooth interface and built-in active antenna for high
sensitivity to tracking signal. Base on the SiRF start II Low power single chipset and supports all
functions (Single Sat updates in reduced visibility, Superior urban canyon performance, Foliage
Lock for weak signal tracking, etc.) The BT-328 is well suited to system integrations including
PDA, Smart phone, Tablet PC and Notebook PC with Bluetooth devices. It satisfies a wide
variety of applications that are purposes in automotive, and outdoor recreation navigation
systems.