

WKG0254R02Y01 is a high-performance BeiDou-only positioning and navigation module with a compact size of 28 × 28 × 7 mm. It is based on the AT6668 SoC, a sixth-generation multi-system GNSS single-chip solution from Zhongke Micro, supporting BeiDou-2 and BeiDou-3 (B1I and B1C) signals.
WKG0254R02Y01 is a high-performance BeiDou-only positioning and navigation module with a compact size of 28 × 28 × 7 mm. It is based on the AT6668 SoC, a sixth-generation multi-system GNSS single-chip solution from Zhongke Micro, supporting BeiDou-2 and BeiDou-3 (B1I and B1C) signals.
The module adopts proprietary fast acquisition technology, enabling rapid satellite signal capture and fast, accurate positioning, even in challenging environments such as urban canyons. It integrates a high-performance embedded CPU and supports a maximum position update rate of up to 10 Hz, making it suitable for high-dynamic and low-latency applications.
With built-in anti-interference hardware acceleration, the module can quickly detect and suppress RF interference. Featuring high sensitivity, low power consumption, and cost efficiency, it is ideal for applications such as vehicle navigation, handheld devices, and automotive rearview mirrors.
The module uses advanced single-chip navigation SoC technology to support high-precision positioning and timing, while offering high integration, high performance, low power consumption, and compact size. It is widely applicable in automotive navigation, wearable devices, smartphones, IoT devices, and drones.
l Supports BDS-2 / BDS-3 (B1I, B1C)
l Supports A-BDS
l Cold start sensitivity: -148 dBm
l Hot start sensitivity: -156 dBm
l Reacquisition sensitivity: -160 dBm
l Tracking sensitivity: -162 dBm
l Position accuracy: 2m (CEP50)
l TTFF: ≤23s
l Low power consumption (~45mA @5V)
l Integrated LNA
l Built-in 25x25x4mm ceramic antenna(customization size available)
l Fast hot start (<1s) with onboard capacitor
l Standard NMEA-0183 output
l Vehicle navigation and tracking
l Power timing / 4G/5G synchronization
l IoT positioning devices
l UAV (drones)
l Portable device
Supports A-BDS, providing assistance data such as ephemeris, approximate position, and time.
This significantly reduces Time-To-First-Fix (TTFF), even in weak signal environments.
The module outputs data via UART interface using NMEA-0183 protocol.