RF Transmitter: Selection Guide, Benefits & Leading Manufacturers
Introduction: RF transmitters send radio frequency signals over the air. Choosing the right transmitter depends on frequency range, power output and modulation type.
What is RF transmitter:
The RF device which does transmission of radio frequency signal is known as
RF transmitter. The RF device which receives the RF signal is known as RF receiver.
The device which houses both RF Transmitter and RF receiver is known as
RF Transceiver.
Refer RF transceiver basics>> for more information.

There are two main components in the RF transmitter viz. modulator and up converter. The modulator part does modulation of the raw information to generate modulated output. There are two main types of modulation analog modulation and digital modulation. The up converter does up conversion of the lower frequency modulated signal to generate high frequency output in order to have feasible transmission over the air with the help of antenna. Power Amplifier (PA) is needed to amplify the signal before transmission to compensate for the power losses as per RF link budget.
Selection Guide
• Frequency range to ensure compatibility with your target communication band.
• Output power to achieve the desired transmission range while avoiding distortion.
• Modulation type to match the system’s requirements (e.g., AM, FM, QAM).
• Efficiency of the transmitter is critical for minimizing power consumption, especially in battery operated devices.
• Linearity and signal fidelity to prevent signal distortion and ensure clear transmission.
• The size and form factor for space constrained applications.
• Ensure the transmitter provides robust thermal management to handle high power operation.
Advantages of RF Transmitter
Following are some of the benefits of RF Transmitter.
1. RF transmitters enable wireless communication over long distances by efficiently transmitting high frequency signals.
2. Modern RF transmitters are power efficient, ensuring prolonged operation in battery powered devices like IoT sensors and mobile communication systems.
3. RF transmitters support various frequency bands, making them versatile for applications in communication systems, including Wi-Fi, 5G, satellite, and radar.
4. They ensure minimal signal distortion and high fidelity, providing clear communication with minimal interference or noise.
5. RF transmitters come in small form factors, allowing integration into compact systems while also supporting scalable power options for larger systems.
Manufacturers of RF Transmitter
Following table lists popular manufacturers or vendors of RF transmitter.
RF transmitter Manufacturers | Description |
---|---|
TI (Texas Instruments Inc.) | Texas 75243 USA Website: www.ti.com Phone : 972-995-2011 |
HWM-Water Ltd, Cwmbran, NP44 3AW |
Website : www.hwmglobal.com Email : sales@hwm-water.com Telephone : +44 (0) 1633 489 479 |
SparkFun Electronics, Niwot, CO 80503 |
Website: https://www.sparkfun.com/ Email: customerservice@sparkfun.com Phone: 303-284-0979 |
electroSome | Website: https://electrosome.com Email: mail@electrosome.com Phone: +91 70122 31279 |
Electronics Hub |
Website: www.electronicshub.org Email: elktros@gmail.com |
Listen Technologies, Utah 84065-4818, USA |
Website: https://www.listentech.com/ Email: sales@listentech.com Phone: +1.801.233.8992 |
Semtech Corporation., North America, Asia, Europe |
Website: www.semtech.com Phone: 408-324-3300 (California, USA) |
Richardson RFPD | Website: www.richardsonrfpd.com Email: customerrelations@richardsonrfpd.com Phone, US and Canada: 800-737-6937 Phone, Intl: 630-262-6800 |
NXP Semiconductors, Eindhoven, The Netherlands | Website: www.nxp.com/ |
PyroElectro. | Website: https://www.pyroelectro.com/ |
Conclusion
A high performance RF transmitter enhances communication efficiency. Choose from leading manufacturers for superior solutions.