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Positioning Module

GNSS High-precision Positioning Antenna

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AT-1612-MTBD

The AT-1612-MTBD is a high-performance dual-system GPS and Beidou receiver module based on the MediaTek MT3333 chipset. Featuring exceptional -165dBm tracking sensitivity, ultra-low power consumption (max 35mA), and a compact 16×12mm form factor, this module delivers reliable positioning in challenging environments. With 66 search channels, 22 tracking channels, and advanced technologies like EASY, AlwaysLocate™, and FLP, it provides fast TTFF and superior accuracy for portable navigation devices, vehicle systems, and location-based services.

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Positioning Module

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Product Description

AT-1612-MTBD GPS & Beidou Receiver Module

Dual-system navigation with MediaTek MT3333 chipset and -165dBm sensitivity

Dual-System Support

GPS L1 & Beidou B1 for enhanced satellite availability

High Sensitivity

-165dBm tracking sensitivity for challenging environments

Ultra Low Power

Max 35mA consumption with advanced power management

Compact Design

16×12×2.6mm SMD form factor with 24-pin interface

Product Overview

The AT-1612-MTBD is a high-performance dual-system GPS and Beidou receiver module based on the advanced MediaTek MT3333 chipset. This module combines the industry's highest level of sensitivity, accuracy, and Time to First Fix (TTFF) with ultra-low power consumption in a compact leadless package. With 66 search channels and 22 simultaneous tracking channels, it acquires and tracks satellites rapidly even at indoor signal levels. The embedded flash memory provides capacity for storing navigation data and allows for future firmware updates.

-165dBm

Tracking Sensitivity

35mA

Max Power Consumption

Search Channels

16×12mm

Compact Size

Advanced Technologies

EASY Technology

Advanced AGNSS technology for extremely fast TTFF in hot or warm start conditions

AlwaysLocate™

Intelligent power management system that automatically adjusts positioning frequency

FLP Mode

Fast Low Power mode for efficient navigation with reduced power consumption

Antenna Supervisor

Detects and monitors external antenna status including connection, open circuit, and short conditions

Multi-tone AIC

Advanced interference cancellation for improved performance in noisy environments

LOCUS

Advanced logging capability for storing navigation data

Key Features

✓

MediaTek MT3333 Chipset

High-performance, low-power dual-system GNSS processor

✓

Exceptional Sensitivity

Tracking: -165dBm, Re-acquisition: -156dBm

✓

Rapid Positioning

With EASY: Hot start 1s, Warm start 5s, Cold start 15s

✓

Multi-Channel Architecture

66 search channels with 22 synchronous tracking channels

✓

Flexible Communication

UART with configurable baud rates from 4800bps to 115200bps

✓

Robust Operation

Operating temperature range from -40°C to +85°C

Technical Specifications

Chipset Platform	MediaTek MT3333
Supported Systems	GPS L1, Beidou B1, QZSS, SBAS (WAAS, EGNOS, MSAS, GAGAN)
Receiver Channels	66 search channels, 22 synchronous tracking channels
Sensitivity	Tracking: -165dBm, Re-acquisition: -156dBm
TTFF (EASY Enabled)	Cold start: 15s, Warm start: 5s, Hot start: 1s
TTFF (Autonomous)	Cold start: 35s, Warm start: 30s, Hot start: 1s
Position Accuracy	Autonomous: <2.5m CEP
Time Accuracy	±10ns
Power Consumption	Acquisition: 35mA, Tracking: 30mA, Standby: 2.0mA
Operating Voltage	2.8V to 4.3V (Typical: 3.3V)
Interface	UART (4800bps to 115200bps, default 9600bps)
Protocol	NMEA-0183 or custom protocol
Operating Temperature	-40°C to +85°C
Dimensions	16×12×2.6mm
Package	24-pin SMT with stamp holes
Environmental Compliance	RoHS compliant (Lead-free)