SparkFun RTK Postcard

Browse SparkFun Originals

Affiliate disclosure: Everything About Robotics may earn a commission from qualifying purchases through these links. SparkFun handles checkout, fulfillment and returns. Read our affiliate disclosure.

SparkFun RTK Postcard — manufacturer product photograph
Photographs: SparkFun Electronics. Used with supplier image permission. Included parts depend on the exact selected product or kit.

Choose a view to inspect it, or open the original photograph.

Develop RTK positioning applications with the LG290P receiver and ESP32-PICO-MINI-02 on the SparkFun RTK Postcard. RTK Everywhere firmware supports using Wi-Fi or Bluetooth connectivity, including NTRIP caster or client operation. A locking JST-GH connector provides another path for sending or receiving RTCMv3 correction messages from a local base.

Before you buy

Check SparkFun for the current configuration, included items, compatibility, price and availability before ordering.

SparkFun SKU: GPS-26916 · Category: GNSS & RTK development boards

Check SparkFun for current price, stock, shipping and the exact included components.

Buy at SparkFun

Official product specifications and documentation

EAR summary based on supplier documentation; this is not a hands-on review. Product identity rechecked during the October 25, 2026 sprint. Current SparkFun Originals eligibility was verified with the supplier’s Original: Yes filter during the October 25, 2026 sprint. Affiliate eligibility remains subject to SparkFun's program terms.