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1. Introduction

1.1. Overview Product Introduction The NewStar NS-87 series GPS modules incorporates high sensitivity, high performance Ublox G7020 chipset solution in a compact design. The module tracks up to 56 satellites at a time while offering fast time-to-first-fix and 1Hz navigation update. The unit is very suitable for broad applications such as Handheld, PDA, PPC or other battery operated navigation system.

Main Features

■ High sensitivity Ublox G7020 chipsets.

■ High performance receiver tracks up to 56 satellites.

■ TTL output for GPS command interface.

■ Low power consumption.

■ Average Cold Start time under 29 seconds.

■ On-chip 1Mb SRAM.

■ Reacquisition time 0.1 second.

■ Support accurate 1PPS output signal aligned with GPS timing.

■ Support Standard NMEA-0183.

■ Multi-path mitigation hardware.

■ Built-in a lithium battery enables fast positioning.

■ Compact size (25.4×25.4×7 mm3 ) for easy integration into hand-held devices.

The NS-87 design utilizes the latest surface mount technology and high level circuit integration to achieve superior performance while minimizing dimension and power consumption. This hardware capability combined with software intelligence makes the board easy to be integrated and used in all kinds of navigation applications or products. The module communicates with application system via RS232 (TTL level) with NMEA-0183 protocol.