433 MHz ASK OOK transmitter module with high efficiency for wireless data transmission

Information about this module is generated with the help of AI. The description may be incomplete, inaccurate, or subject to change.

The T2-433M Transmitter Module H34S-433 is a compact ASK OOK transmitter module designed for wireless data transmission and remote control applications in the 433 MHz band. It features low power consumption and stable operation across a wide temperature range. The module is suitable for remote controls, alarm systems, sensor networks, and other wireless applications where simple and reliable communication is required.

Difference compared to H34C-433
Output power: Slightly lower
Supply voltage: 3 to 5 Volt
Power consumption: Lower
Range: Shorter
Better suited for 3.3 Volt systems such as ESP modules

Facts.
Model: H34S-433
Product type: RF transmitter module
Frequency: 433 MHz
Modulation: ASK OOK
Supply voltage: 3 to 5 V
Antenna impedance: 50 Ohm
Data input: CMOS 3 to 5 V
Operating temperature: -45 °C to +85 °C
Dimensions: 10.5 x 8.0 x 2.0 mm

Included.
1 pc module.

About the product.
Weight: approx 7 gram.
Contact us if you have questions at info@pchbutik.se
Article no: 3646
Remaining stock quantity can be found under the Product details tab.
In our range since: 2026-06-22AI generated text.
The 433 MHz ISM band is a license-free frequency range used for low-power short-range radio communications. In Europe, the band extends from 433.05 MHz to 434.79 MHz, with a center frequency of 433.92 MHz, which is by far the most commonly used frequency for low-cost transmitters and receivers.


For you.
Components and building materials for those who build electronics themselves experiment and develop.