Ivory 3 (GMM-U2P)

GPS Module

Ivory 3 (Gmm-u2P) module at its dimension of 9 x 12.7mm, is smaller than its previous generation predecessor. Gmm-u2p is featured with a high sensitivity, incredibly low power consumption:
Tracking:19mA(average); Acquisition:17mA(average),
while searching with -165dBm high sensitivity and 10Hz maximum update rate.

» GNSS Modules Comparison Sheet

Overview

At a dimension of 9x12.7mm, GlobalTop Technology's Ivory 3 (Gmm-u2P) is smaller than its previous generation predecessor. Ivory 3 is a high sensitive, incredibly low power consumption GPS module:
Tracking:13mA(min), 19mA(average), 24mA(max);
Acquisition: 14mA(min), 17mA(average), 20mA(max)

It utilizes MediaTek's fourth generation MT3339 single chip GPS technology that supports up to 66 channels of satellite searching with -165dBm sensitivity and 10Hz maximum update rate and many of GlobalTop's advanced software customization services!

TAG: GPS,GPS Module,GNSS,

Feature

Feature

MediaTek MT3339 Chipset, L1 Frequency, C/A Code, 66 channels
Ultra-small Dimension, 9 x 12.7 x 2.1 mm; SMD
Ultra-high Sensitivity, -165 dBm, TCXO Design
Position Accuracy: <3.0M 50% CEP
Multi-path Compensation ; E-GSM-900 band rejection
UART (TTL) ; 1PPS Support
NMEA 0183 and PMTK protocol support
E911, RoHS Compliance
32KHz clock output (optional)
1PPS: ±10ns RMS
Multi-tone active interference canceller (MTAIC)
DGPS (QZSS/WAAS/EGNOS/MASA/GAGAN*)
*GAGAN will be supported.

Software

Software

Specification

Specification

Dimension	9 x 12.7 x 2.1 mm, SMD type
GPS Solution	MTK MT3339, 66 Channels
Frequency	L1, 1575.42 MHz ; C/A Code
Sensitivity	Acquisition -148 dBm Tracking -165 dBm
Position Accuracy	Without aid: 3.0 m (50% CEP) DGPS (SBAS(WAAS,EGNOS,MSAS,GAGAN*)): 2.5 m (50% CEP)
TTFF (Time to First Fix)	Cold Start: <35 Seconds (Typical) Warm Start: <33 Seconds (Typical) Hot Start: <1 Seconds (Typical)
Timing Accuracy (1PPS Output)	±10ns RMS
Protocol	NMEA 0183
DGPS	SBAS(default) [QZSS,WAAS, EGNOS, MSAS,GAGAN*]
AGPS	Supported (Offline Mode)
Interface	2 UART
Baud Rate	4800 ~ 115200 bps
Update Rate	1 ~ 10 Hz
Power Supply	VCC: 3.0 V to 4.3 V VBACKUP: 2.0 V to 4.3 V
Current Consumption	Tracking:13mA(min), 19mA(average), 24mA(max); Acquisition: 14mA(min), 17mA(average), 20mA(max)
Working Temperature	-40 °C to +85 °C

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