Comparison page

ATGM336H vs JDY-31

Side-by-side selection notes for specs, ecosystem readiness, known issues, and data confidence. This page is generated from structured component fields instead of a hand-written article.

ATGM336H

Projects needing GPS and BeiDou with a commonly available communication part.

JDY-31

Projects needing Bluetooth and UART with a commonly available communication part.

Specification Matrix

DimensionATGM336H JDY-31

CategoryCommunicationCommunication

MakerZhongke MicroJDY

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoArduino

Price$3.00 - $8.00$1.00 - $3.00

Known Tradeoffs

ATGM336H

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

JDY-31

Breakout boards may use different pin labels or regulator choices
Clone modules can differ from the original datasheet part

Open Individual Model Pages

ATGM336H

Zhongke Micro

China-made GNSS module commonly used as a low-cost GPS receiver in maker projects.

China-madeCommunication74% confidence

JDY-31

JDY

Low-cost Bluetooth serial module sold in Chinese marketplaces as an HC-05-class alternative.

China-madeCommunication66% confidence