Reference: RBD-2779
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The EWM550-7G9T10SP is a high-performance UWB (Ultra-Wideband) wireless ranging and positioning module based on the Chinese MK8000 solution. Designed for precise indoor distance measurement, the module supports two-way ranging (TWR), configurable output frequency and AT command control.
With a compact SMD-26 package, UART serial communication and PCB antenna, this module is ideal for robotics, indoor navigation, asset tracking, ranging anchors and high-accuracy IoT applications.
The EWM550-7G9T10SP is a high-performance UWB (Ultra-Wideband) wireless ranging and positioning module based on the Chinese MK8000 solution. Designed for precise indoor distance measurement, the module supports two-way ranging (TWR), configurable output frequency and AT command control.
With a compact SMD-26 package, UART serial communication and PCB antenna, this module is ideal for robotics, indoor navigation, asset tracking, ranging anchors and high-accuracy IoT applications.
The companion test kit (EWT550-7G9T10SP) provides a Type-C interface and full pin breakout for easy development, testing and evaluation.
Note
This module comes without soldering. You must solder the pins yourself before use.
• Ultra-Wideband wireless ranging module
• MK8000 chip solution for stable operation
• Suitable for UWB distance measurement applications
• Supports two-way ranging (TWR)
• Distance measurement accuracy between 10 and 30cm
• Supports AT command configuration
• Provides UART serial communication
• Compact SMD-26 footprint, 14 x 24mm
• Supports bidirectional ranging output with configurable frequency
• PCB antenna integrated
• Works in UWB frequency bands CH9 (7987.2MHz) and CH5 (6489.5MHz)
Module Model Number EWM550-7G9T10SP
Working Voltage 1.8 to 3.6V (typical 3.3V)
Operating Frequency Band 7737.2 to 8237.2MHz (default CH9)
Transmission Power 10dBm
Distance Measurement Range Up to 130m in clear open environments at CH9
Distance Measurement Algorithm TWR (Two-Way Ranging)
Distance Measurement Accuracy 10 to 30cm
Communication Interface UART serial port
Serial Configuration 921600bps, 8N1
Packaging Method SMD
Interface Method 1.27mm stamp-hole pads
External Dimensions 14 x 24mm
Antenna Interface PCB antenna
Operating Temperature -40°C to +85°C
• Pre-welded module EWM550-7G9T10SP
• All module pins broken out to headers
• Type-C interface for power and data communication
• Stable performance and developer-friendly layout
• Includes reset button and wake pin
• Default jumper settings for TX, RX and 3.3V operation
Pin Function Summary
Type-C Interface – Power and data communication
RXD – Serial receive (default jumper connected)
TXD – Serial transmit (default jumper connected)
3.3V – Power jumper (default connected)
WKP – Wake-up pin
Pin headers – Exposed module IO pins
Module – EWM550-7G9T10SP
Additional pin headers – For prototyping
RST – Reset button
• Indoor positioning systems
• Robotics ranging and obstacle detection
• AGV and warehouse navigation
• Personnel and asset tracking
• UWB anchor and tag development
• High-precision distance measurement projects
• IoT positioning experiments and research
1 x EWM550-7G9T10SP UWB Ranging Module
(Or Test Kit version depending on listing)
Note
Pins are not pre-soldered. User must solder the module before use.
• High accuracy UWB ranging suitable for commercial and industrial use
• Long measurement distance up to 130 meters
• Clean UART communication and AT command support
• Professional MK8000 architecture with stable performance
• Compact, low-power and easy to integrate into custom PCB designs
This module is an excellent choice for developers building precise UWB-based measurement and positioning systems.










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The EWM550-7G9T10SP is a high-performance UWB (Ultra-Wideband) wireless ranging and positioning module based on the Chinese MK8000 solution. Designed for precise indoor distance measurement, the module supports two-way ranging (TWR), configurable output frequency and AT command control.
With a compact SMD-26 package, UART serial communication and PCB antenna, this module is ideal for robotics, indoor navigation, asset tracking, ranging anchors and high-accuracy IoT applications.
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