RFM119W-433S1

RF Transmitter Overview

The RFM119W-433S1 is a surface-mount RF transmitter module operating at 433MHz. It supports FSK, GFSK, and OOK modulation schemes with a maximum output power of +13dBm. The device functions within a supply voltage range of 1.8V to 3.6V and draws a transmission current of 36mA. Designed for industrial applications, it operates reliably between -40°C and +85°C. The module utilizes a two-wire interface for control and communication.

RF Transmitter Feature Summary

• Supports multiple modulation protocols including FSK, GFSK, and OOK for flexible system integration.
• Delivers high output power of +13dBm to ensure effective signal transmission over distance.
• Features a compact surface-mount design suitable for automated manufacturing processes.
• Operates on low voltage supplies ranging from 1.8V to 3.6V for energy-efficient deployment.

RF Transmitter Applications

• Wireless sensor networks requiring sub-GHz ISM band transmission
• Industrial remote monitoring and control systems
• Consumer electronics utilizing narrowband wireless communication
• Automated meter reading infrastructure

RF Transmitter Procurement Notes

Verify component authenticity through authorized distributors as the part is marked obsolete. Confirm that the replacement ZETA-433-SO meets all electrical and mechanical requirements for your specific application before procurement. Ensure compatibility with existing firmware or control logic when transitioning from the discontinued RFM119W-433S1 to the substitute module.

RF Transmitter Selection Notes

Select this module for applications requiring reliable sub-GHz transmission with moderate output power. The dual-voltage capability allows integration into both low-power battery-operated devices and standard 3.3V logic systems. Consider the obsolete status when planning long-term production cycles and prioritize the recommended substitute for new designs.

RF Transmitter Part Context

This component belongs to the RF Solutions RFM119 series of wireless transmitters. These modules are engineered for cost-effective implementation in narrowband communication systems. The series provides a balance of performance and simplicity, targeting markets such as home automation, security, and industrial telemetry where robust short-range wireless links are essential.

RF Transmitter Replacement Considerations

The ZETA-433-SO is listed as a similar substitute by the manufacturer. Verify pinout compatibility and software configuration differences before replacing the obsolete RFM119W-433S1 in existing hardware designs to ensure seamless integration.