Comparison page

JDY-31 vs WH-GM5

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.

JDY-31

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

WH-GM5

Projects needing 4G Cat.1 and LuatOS with a commonly available communication part.

Specification Matrix

DimensionJDY-31 WH-GM5

CategoryCommunicationCommunication

MakerJDYLuatOS / OpenLuat

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoNeeds verification

Price$1.00 - $3.00$6.00 - $15.00

Known Tradeoffs

JDY-31

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

WH-GM5

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

Open Individual Model Pages

JDY-31

JDY

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

China-madeCommunication66% confidence

WH-GM5

LuatOS / OpenLuat

OpenLuat 4G Cat.1 module used in Chinese maker and IoT telemetry projects.

China-madeCommunication72% confidence