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How do I correctly connect the UM220-IV NL module to power and an antenna?

1Answers
McRowan
12/17/2025, 10:11:15 AM

Connecting your UM220-IV NL module to a power source and antenna is straightforward. Follow these steps for successful setup: Power Supply Connection: First, confirm your power supply delivers a voltage within the UM220-IV NL module's operational range (3.3V to 5.5V). Connect the VCC pin on the module to the positive (+) terminal of your power supply. Then, connect the GND pin of the module to the negative (-) terminal of the power supply. Antenna Connection: Select an antenna compatible with the UM220-IV NL module, ensuring it has the correct impedance and gain for your application. Attach the antenna to the IPEX connector on the module. Ensure the connection is secure to maintain proper impedance matching for optimal performance. Verification: After making the power and antenna connections, verify the module's operation. Check for data output from the UART interface using a suitable device. This indicates the module is receiving signals and providing positioning information. For detailed guidance, always consult the UM220-IV NL module user manual for specific instructions tailored to your application.

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