Comparison page

HC-05 vs RA-01H

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.

HC-05

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

RA-01H

Projects needing LoRa and Long range with a commonly available communication part.

Specification Matrix

DimensionHC-05 RA-01H

CategoryCommunicationCommunication

MakerGenericAi-Thinker

CoreNot specifiedNot specified

ClockNot specifiedNot specified

WirelessNot specifiedNot specified

Voltage3.3V3.3V

LibrariesArduinoArduino

Price$1.50 - $4.00$2.00 - $6.00

Known Tradeoffs

HC-05

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

RA-01H

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

Open Individual Model Pages

HC-05

Generic

Classic Bluetooth serial module used for Arduino UART wireless control demos.

China-madeCommunication72% confidence

RA-01H

Ai-Thinker

LoRa module based on SX127x-class radios for low-cost long-range wireless links.

China-madeCommunication74% confidence