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尺寸:42X38MM MTK AG3335MV芯片 双频多模定位 低功耗

GAM-4238F5L-AGGB

Features

Build on high performance, low-power MediaTek-AG3335M chip set

Ultra high Track sensitivity: -165dBm

Concurrent reception of multi-band and multi-system satellite signals

Supports all civil GNSS signals

Supports BDS-3 signal

Extremely fast TTFF at low signal level (Cold start ≤24s, Hot start ≤1s).

Multipath detection and suppression

Works with passive and active antenna

Operating voltage:3.0V~5.5V

Low power consumption: Max 28±2mA@5.0V

NMEA-0183 compliant protocol or custom protocol

Operating temperature -40~+85ºC

Patch Antenna Size:35x35x4mm&25x25x4mm

Small form factor: 38.68±0.5x42.16±0.5x12±0.5mm

Communication type: UART

RoHS compliant (Lead-free)



Parameter

Specification

GNSS engine

• GNSS engine has 135 channels and DSP accelerators

GNSS reception

• GPS/QZSS:  L1 C/A, L5

• GLONASS:  L1OF

• GALILEO:  E1(E1B+E1C), E5A

• BEIDOU:  B1I, B2A 

• SBAS:  WAAS, EGNOS, MSAS, GAGAN

Update rate

• GNSS 20Hz Maximum

Position accuracy [1]

• GNSS  <1m CEP

• SBAS  <1m CEP

Velocity & Time accuracy

• GNSS  0.01m/s CEP

• SBAS  0.05 m/s

• 1PPS  25 ns

Time to First Fix(TTFF) [1]

• Hot start  1 sec

• Cold start  24 secs

1PPS accuracy

• When using four or more satellites for 3D positioning, the rising edge of the pulse generating 1 pulse per second (Duration: 800 seconds) on 1PPS pins is aligned with the UTC seconds, and the accuracy is about 20nS.

• When it is not positioned, it outputs a constant low pulse.

Sensitivity [1]

• Cold start  -148dBm

• Hot start  -155dBm

• Reacquisition  -158dBm

• Tracking & navigation  -165dBm

GNSS Operating limit

• Velocity515m/s

• Altitude18,000m

Datum

• Default WGS-84, or be customized

UART Port

• UART Port: TXD and RXD

• Supports baud rate from 9600bps to 961200bps.

• NMEA 0183 Protocol Ver. 4.00/4.10,Cynosure GNSS Receiver Protocol

Temperature Range

• Normal operation:  -40°C ~ +85°C

• Storage temperature:  -55°C ~ +100°C

• Humidity:  5% ~ 95%

Physical Characteristics

• Size:  38.68±0.5x42.16±0.5x12±0.5mm

• Weight:  Approx. 33.5g


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