• RFM119-433S1 FSK/OOK RF transmitter module

1.Descriptions of RF Transmitter Module RFM119W:

The RFM119W-RFM119SW is a high performance, highly flexible, low-cost, single-chip (G)FSK/OOK RF transmitter module for various,240 to 960 MHz wireless applications. It is a part of the HOPERF NextGenRFTM family, which includes a complete line of transmitters, receivers and transceivers. The RFM119W provides the simplest way to control the data transmission.

The transmission is started when an effective level turnover is detected on the DATA pin, while the transmission action will stop after the DATA pin holding level low for a defined time window, or after a two-wire interface (TWI) command is issued. The chip features can be configured in two different ways: setting the configuration registers through the TWI, or programming the embedded RFPDK. The device operates from a supply voltage of 1.8V to 3.6 V, consumes 27.6 mA (FSK @ 868.35 MHz) when transmitting +10 dBm output power, and only leak 20 nA when it is in sleep state. The RFM119W-RFM119SW transmitter together with the CMT2219A receiver enables a robust RF link.


2.Features of RF Transmitter Module RFM119W:

Embedded EEPROM

   Very Easy Development with RFPDK

   All Features Programmable

Frequency Range: 240 to 960 MHz

FSK, GFSK and OOK Modulation 

Symbol Rate: 

   0.5 to 30 ksps (OOK)

   0.5 to 100 ksps (FSK/GFSK) 

Deviation: 1.0 to 200 kHz

Two-wire Interface for Registers Accessing and

EEPROM Programming

Output Power: -10 to +13 dBm

Supply Voltage: 1.8 to 3.6 V

Sleep Current: < 20 nA

FCC/ETSI Compliant

RoHS Compliant

Module Size:

  17.8*12.8*5.0mm (RFM119W)

  16*16*5.0mm (RFM119SW)


3.Applications of RF Transmitter Module RFM119W:

Low-Cost Consumer Electronics Applications

Home and Building Automation

Infrared Receiver Replacements

Industrial Monitoring and Controls

Remote Automated Meter Reading

Remote Lighting Control

Wireless Alarm and Security Systems

Remote Keyless Entry (RKE)

RFM119-433S1 FSK/OOK RF transmitter module

  • Manufacturer: HOPE-RF
  • Manufacturer Part Number: RFM119-433S1
  • Quantity Available: 100
  • Factory Stock **
  • Lead-time: 7-10 Business Days
  • ** For quantities greater then shown above, please contact us for Availability, Pricing and Lead-Time
  • $ 1.88 USD


  • 10 or more $ 1.69 USD
  • 25 or more $ 1.46 USD
  • 100 or more $ 1.30 USD
  • 500 or more $ 1.22 USD
  • 1000 or more $ 1.15 USD