RCTX-434

RF Transmitter Overview

The RCTX-434 is a RadioControlli RF transmitter module operating at 433.92MHz with ASK/OOK modulation. It features an integrated crystal oscillator for frequency stability and metallic shielding. The standard version supports a supply voltage of 4V to 12VDC, while the RCTX-434-L variant operates on 2.2V to 3.6VDC. Both versions deliver an output power of 11dBm and support a maximum data rate of 50kbps. The transmitting current is specified at 21mA for the low-voltage model.

RF Transmitter Feature Summary

• Integrated crystal oscillator ensures precise frequency generation
• Metallic shield provides electromagnetic interference protection
• Supports ASK and OOK modulation schemes
• On-board chip antenna design

RF Transmitter Applications

• Remote Keyless Entry systems
• General purpose wireless data transmission
• Coding circuit integration for security applications

RF Transmitter Procurement Notes

Verify the specific voltage variant required for your application, as the standard RCTX-434 operates at 4-12VDC while the RCTX-434-L requires 2.2-3.6VDC. Confirm that the 11dBm output power meets your range requirements. Ensure the host system can accommodate the 50kbps maximum data rate and ASK/OOK modulation protocol.

RF Transmitter Selection Notes

Select the RCTX-434 for higher voltage systems (4-12V) and the RCTX-434-L for low-power applications (2.2-3.6V). Both models share identical RF performance characteristics including 11dBm output and 433.92MHz frequency. Consider the onboard chip antenna if space constraints prevent external antenna integration.

RF Transmitter Part Context

This component belongs to the RadioControlli family of AM transmitters designed for short-range wireless communication. It is often paired with compatible receivers like the RCRX-434 to form complete remote control solutions. The module utilizes surface-mount technology for PCB integration.

RF Transmitter Replacement Considerations

The RCTX-434-L serves as a low-voltage alternative within the same product line. No direct cross-manufacturer substitutes are confirmed in public documentation.