High-Performance Unmanned Vehicle & Deeply Coupled Navigation GNSS Receiver in Malaysia: The Toksurvey NET660i-1U GNSS Receiver

Across Malaysia's advanced autonomous driving, intelligent robotics, precision agriculture, and unmanned vehicle deployment sectors, engineers and system integrators require robust positioning receivers capable of maintaining high-accuracy tracking through urban canyons, signal blockages, and severe multipath environments

. Distributed and supported locally by MTM Precision in Puchong, Selangor, the Toksurvey NET660i-1U GNSS Receiver is a high-performance, compact GNSS receiver engineered specifically for unmanned vehicles and intelligent systems

. Featuring an automotive-grade positioning chip, an integrated MEMS inertial measurement unit (IMU), a functional safety processor, and a deeply coupled navigation algorithm, it delivers continuous, real-time positioning and posture information even during short-term satellite obstructions

Core Engineering & System Characteristics

Linux Intelligent System: Built on an ARM Cortex-A7 1.8GHz processor and an embedded Linux operating system, delivering efficient onboard computing and unlimited functional expandability.
All-System Dual-Frequency 1,507-Channel Tracking: Integrates an independent high-precision positioning module utilizing 1,507 channels to support comprehensive satellite signals across BDS, GPS, GLONASS, Galileo, QZSS, SBAS, and NavIC (IRNSS).
Built-In Deeply Coupled Navigation Algorithm: Combines an integrated MEMS inertial measurement unit with dead reckoning algorithms to provide continuous position and speed data during short-term signal obstructions, enhancing urban canyon positioning accuracy by 2 to 5 times compared to loosely coupled systems.
Cloud Service Functionality: Regularly reports device status—such as location, network status, signal strength, and satellite reception—while supporting cloud platform functions for remote restarts, resets, and firmware upgrades.
Versatile Protocol Compatibility: Supports Ntrip Client/Server/Caster, TCP Client/Server connections, FTP file transfers, HTTP/HTTPS, and MQTT transmission protocols.

Comprehensive Technical Specifications

GNSS Performance & Positioning Accuracy

Channels & Tracking: 1,507 channels supporting GPS (L1C/A, L1C, L2, L5), GLONASS (L1, L2), BDS (B1I, B2I, B3I, B1C, B2a, B2b), Galileo (E1, E5a, E5b, E6), QZSS (L1, L2, L5, L6 CLAS), SBAS (L1C/A), and NavIC/IRNSS (L5).
Observation & Position Accuracy: Pseudorange observation accuracy <10.0cm, carrier phase observation accuracy <1.0cm, single point positioning horizontal precision of 1.5m and vertical precision of 2.5m.
RTK & Static Precision: High-precision RTK accuracy of ±(10mm + 1ppm) horizontally and ±(15mm + 1ppm) vertically; static positioning accuracy of ±(2.5mm + 1ppm) horizontally and ±(5mm + 1ppm) vertically.
Timing, Data Formats & Update Rates: Achieves <20ns time accuracy (excluding RF cable/antenna delays). Outputs NMEA-0183 position data, supports RTCM 3.X differential corrections, RINEX and custom data formats, with data update frequencies of 2Hz or 5Hz (when integrated navigation is turned off).

IMU & Accelerometer Parameters

IMU Specifications: Operates at 50/100Hz. Gyroscope range of ±300°/s, full temperature zero deviation of 0.3°/s, scale error of 4%, and three-axis orthogonal coupling error of 17% (0.1°).
Accelerometer Specifications: Measuring range of ±16g, full temperature zero deviation of 5mg, scale error of 2%, and three-axis orthogonal coupling error of 0.8% (0.05°).

Interfaces, Communication & Data Storage

Serial, USB & Network Ports: Equipped with a standard RS232 serial interface (supporting 1,200 to 230,400 bps baud rates), a 7-pin integrated USB port for direct computer data access, and a standard RJ45 10/100Mbps adaptive network port.
Cellular & Physical Connectors: Full NetCom cellular communication covering LTE FDD, LTE TDD, WCDMA, and GSM bands. Physical ports include PWR (power supply), DATA, PPS timing output, Nano SIM card slot, Ethernet, GNSS main antenna, and 4G antenna.
Onboard Storage: 32GB internal storage supporting multi-channel data storage.

Electrical, Physical & Environmental Resilience

Electrical Characteristics: Operates on 9–24V DC external power input (12V typical) with a power dissipation of 18W.
Enclosure & Dimensions: Housed in a durable magnesium alloy main body measuring 148.8mm × 105mm × 50.3mm and weighing 490g.
Environmental Ratings: IP68 dustproof and waterproof protection, with operating and storage temperature tolerances from -40°C to +85°C.

Key Applications Across Malaysian Industries

Unmanned Ground Vehicles & Autonomous Driving: Providing continuous, deeply coupled positioning and inertial navigation for self-driving platforms across complex urban and industrial environments.
Intelligent Robotics & Smart Agriculture: Delivering reliable real-time position and posture data for autonomous agricultural machinery and robotic navigation.
High-Dynamics Urban Navigation: Overcoming signal blockages and multipath interference in challenging environments via integrated MEMS inertial sensors.

Local Technical Support and Expertise in Malaysia

Located in Puchong, Selangor, MTM Precision provides expert system consultation, integration guidance, and dependable local technical support for Toksurvey (TOKNAV) advanced navigation solutions across Malaysia

Contact MTM Precision

MTM Precision Sdn. Bhd.

Showroom & Service Centre

No. 29-1 & 29-2, Jalan Bandar 18,

Pusat Bandar Puchong,

47160 Puchong, Selangor, Malaysia

Website:

www.mtmpre.com

.my

Email: mtmpre@yahoo.com

WhatsApp: +6016-660 7346

Office Tel: +603-80807172