Holux GPS Tracker teardown with MT6601+MT3318

Holux GPS logger(Tracker)

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LCD is 96X32.

Overview

The M-241 is a high performance wireless GPS logger with the following features:
1. Dual interface (Bluetooth + GPS-mouse by USB cable).
2. Compatible with Bluetooth Serial Port Profile (SPP) completely.
3. Powered by one AA battery.
4. LCD display (32mm L x 8.9mm W) to show position information, speed, capable logging memory size, date & time.
5. Capable memory size to record up to 130,000 positions, including longitude, latitude, time, and altitude.
6. Personal settings to select the logging mode by distance or time, unit by Kilometer or mile, and 3 languages (English, Traditional Chinese, and Simplified Chinese) support.
Features
Built-in MTK Low power consumption GPS chipset.
32 parallel satellite-searching channels for fast acquisition and reacquisition.
Superior sensitivity, up to -159 dBm.
Built-in WAAS/EGNOS/MSAS Demodulator without any additional hardware.
Completely compatible with Bluetooth Serial Port Profile (SPP).
Low power consumption. Use AA alkaline batteries. (Do not use rechargeable batteries)
Provide expanded terminal contact to other systems without the Bluetooth device.
Support NMEA0183 V 3.01 data protocol
Compact and lightweight design for ease of use.
LCD display (32mm x 8.9mm /128 x 32 pixels) to show position information, speed, capable logging memory size, date & time.

Capable memory size to record up to 130,000 position data, including longitude, latitude, time, and altitude.
Personal setting to choose the logging mode by distance or time, unit by Kilometer or mile, and 3 languages (English, Traditional Chinese, Simplify Chinese) support.

Holux_GPS_Tracker_MT6601MT3318-2

it's best to up

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teardown from here!

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GPS Antenna and battery slot

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high quality gps antenna

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front side

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black side

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STN LCD

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Bluetooth chip: MT6601

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USB-to-UART Bridge Controller : CP2102.

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spi eeprom flash MX25L1609 ;power dc/dc chip : MAX1760

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ARM CPU MT3318

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Specifications:

 

32 parallel satellite searching channels

Receiver: L1, 1575.42 MHz

Frequency: 1.023 MHz

Update frequency: 1 Hz.

Antenna type: Built-in

Satellite signal reception sensitivity: -159dBm

Dimensions: 32.1mm X 30mm X 74.5mm

Weight (excluding battery): < 39g.

Switch: Slider switch

1 AA alkaline battery lasts for up to 12 hours of operation

Operating temperature: 0 ℃ to + 50 ℃

Storage temperature: -10 ℃ to + 60 ℃

Operating humidity: 5% to 90%

 

Positioning

Non DGPS (Differential GPS):

Position : 3.0 M CEP excluding SA

Velocity: 0.1M / sec.

Interval: 0.1 sec to Sync GPS

DGPS (EGNOS/WAAS/MSAS):

Position:

< 2.2 M., Horizontal deviation 95% time

 

< 5 M., Vertical deviation 95 % time

 

*The above data is based on the specifications of the MTK GPS chip

 

Positioning Timing

Time to reposition < 0.1 sec average

Hot boot 1 sec

Warm boot 33 sec

Cold boot 36 sec

 

*The above data are based on specifications of the MTK GPS chip

 

Physical Specifications

Sea level: Max 18,000 M (60,000 feet)

Velocity: Max 515 M./sec ( 1000 knots)

Acceleration: Max 4G

Vibration: 20 M/ second3, Max.

 

Buttons

1 Power switch, 2 Buttons (Menu and Confirm)

 

LCD display page

System and satellite positioning status

Time

Position

Velocity

Distance measurement

Setup

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