RF Transmitters

Category Introduction

RF Transmitters are used to send a radio frequency signal and modulate that signal to carry data from a system. The frequency range is from 315Hz to 64GHz with a data rate of 3kbps to 2Mbps and a power output from -30dBm to 24.7dBm. The data interface is connector, I2C, pads for pins, parallel, PCB, serial, solder pad, SPI, UART, and USB and an antenna connection of castellation, on-board, PCB, and through hole.

Product List

635 Items
PDF Mfr Part # Quantity
Available
UnitPrice RFQ Series Packaging Product StatusFrequencyApplicationsModulation or ProtocolData Rate (Max)Power - OutputCurrent - TransmittingData InterfaceAntenna ConnectorMemory SizeFeaturesVoltage - SupplyOperating TemperatureMounting TypePackage / CaseSupplier Device Package
MICRF113YM6-TR
MICRF113YM6-TR
RF TX IC ASK 300-450MHZ SOT23-6
Microchip Technology
418 $0.98
Tape & Reel (TR) Active300MHz ~ 450MHzISMASK10kbps10dBm12.5mAPCB, Surface MountPCB, Surface Mount--1.8V ~ 3.6V-40°C ~ 85°CSurface MountSOT-23-6SOT-23-6
SI4063-B1B-FMR
SI4063-B1B-FMR
RF TX IC 142MHZ-1.05GHZ 20VFQFN
Silicon Labs
85 $3.15
EZRadioPRO® Tape & Reel (TR) Not For New Designs142MHz ~ 1.05GHzGeneral Purpose-1Mbps20dBm85mAPCB, Surface MountPCB, Surface Mount--1.8V ~ 3.6V-40°C ~ 85°CSurface Mount20-VFQFN Exposed Pad20-QFN (4x4)
TXM-433-LR
TXM-433-LR
RF TX IC ASK/OOK 433MHZ 8SMD MOD
Linx Technologies Inc.
21 $13.67
LR Tube Active433MHzHome/Industrial Automation, Lighting, Remote Control, RKE, SecurityASK, OOK10kbps-4dBm ~ 4dBm8.5mASerialCastellation--2.1V ~ 3.6V-40°C ~ 85°CSurface Mount8-SMD ModuleModule
TXM-418-LC
TXM-418-LC
RF TX IC ASK/OOK 418MHZ 8SMD MOD
Linx Technologies Inc.
52 $16.62
LC Tube Active418MHzHome/Industrial Automation, Lighting, Remote Control, RKE, SecurityASK, OOK5kbps-4dBm ~ 4dBm5.2mASerialCastellation--2.7V ~ 5.2V-30°C ~ 70°CSurface Mount8-SMD ModuleModule
MICRF112YMM-TR
MICRF112YMM-TR
RF TX IC ASK 300-450MHZ 10TFSOP
Microchip Technology
423 $0.88
QwikRadio® Tape & Reel (TR) Active300MHz ~ 450MHzRKE, TPMASK, FSK50kbps10dBm11mAPCB, Surface MountPCB, Surface Mount--1.8V ~ 3.6V-40°C ~ 125°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-MSOP
ATA8403C-6AQY-66
ATA8403C-6AQY-66
RF TX IC ASK 868-928MHZ 8TSSOP
Microchip Technology
622 $1.09
Tape & Reel (TR) Active868MHz ~ 928MHzRKE, Remote Control SystemsASK, FSK50kBaud5.5dBm8.5mAPCB, Surface MountPCB, Surface Mount--2V ~ 4V-40°C ~ 85°CSurface Mount8-TSSOP, 8-MSOP (0.118", 3.00mm Width)8-TSSOP
AX5031-1-TW30
AX5031-1-TW30
RF TX IC ISM 400-470MHZ 20VFQFN
onsemi
264 $2.48
Tape & Reel (TR) Active400MHz ~ 470MHz, 800MHz ~ 940MHzGeneral PurposeISM2Mbps15dBm45mASPI---2.2V ~ 3.6V-40°C ~ 85°CSurface Mount20-VFQFN Exposed Pad20-QFN (4x4)
MAX1472AKA+T
MAX1472AKA+T
RF TX IC ASK 300-450MHZ SOT23-8
Analog Devices Inc./Maxim Integrated
171 $2.78
Tape & Reel (TR) Active300MHz ~ 450MHzISM, Garage Door Openers, RKEASK100kbps7.3dBm ~ 16.2dBm9.6mAPCB, Surface MountPCB, Surface Mount--2.1V ~ 3.6V-40°C ~ 125°CSurface MountSOT-23-8SOT-23-8
SX1230I066TRT
SX1230I066TRT
RF TX IC ISM 315/434MHZ 24VFQFN
Semtech Corporation
242 $3.99
Tape & Reel (TR) Active315MHz, 434MHz, 868MHz, 915MHzRKEISM600kbps17dBm95mAPCB, Surface MountPCB, Surface Mount--1.8V ~ 3.7V-40°C ~ 85°CSurface Mount24-VFQFN Exposed Pad24-MLPQ (4x4)
FM-RTFQ1A-433P
FM-RTFQ1A-433P
RF TX IC FM 433.92MHZ 6DIP MOD
RF Solutions
7 $10.00
Bag Active433.92MHzCar Alarms, Remote Sensing, Wireless SecurityFM9.6kbps5dBm7mAPCB, Through HolePCB, Surface Mount--2.1V ~ 4V-20°C ~ 85°CThrough Hole6-DIP ModuleModule
TXM-315-LR
TXM-315-LR
RF TX IC ASK/OOK 315MHZ 8SMD MOD
Linx Technologies Inc.
30 $14.14
LR Tube Active315MHzHome/Industrial Automation, Lighting, Remote Control, RKE, SecurityASK, OOK10kbps-4dBm ~ 4dBm8.5mASerialCastellation--2.1V ~ 3.6V-40°C ~ 85°CSurface Mount8-SMD ModuleModule
TXM-418-KH3
TXM-418-KH3
RF TX IC ASK 418MHZ 27SMD MOD
Linx Technologies Inc.
9 $21.25
KH3 Tube Active418MHzHome/Industrial Automation, Lighting, Remote Control, RKEASK, OOK-4dBm2.7mAParallelCastellation-Built-in Remote Control Encoder2.7V ~ 5.2V-30°C ~ 70°CSurface Mount27-SMD ModuleModule
MICRF112YMM
MICRF112YMM
RF TX IC ASK 300-450MHZ 10TFSOP
Microchip Technology
698 $0.89
QwikRadio® Tube Active300MHz ~ 450MHzRKE, TPMASK, FSK50kbps10dBm11mAPCB, Surface MountPCB, Surface Mount--1.8V ~ 3.6V-40°C ~ 125°CSurface Mount10-TFSOP, 10-MSOP (0.118", 3.00mm Width)10-MSOP
CC2550RSTR
CC2550RSTR
RF TX IC 2-FSK/ASK 2.4GHZ 16VQFN
Texas Instruments
76 $4.79
Tape & Reel (TR) Not For New Designs2.4GHzISM, SRD2-FSK, ASK, GFSK, MSK, OOK500kBaud-30dBm ~ 1dBm21.3mAPCB, Surface MountPCB, Surface Mount--1.8V ~ 3.6V-40°C ~ 85°CSurface Mount16-VQFN Exposed Pad16-VQFNP (4x4)
NXQ1TXH5/101J
NXQ1TXH5/101J
RF XMITTER 110-205KHZ 32VFQFN
NXP USA Inc.
52 $6.44
Tape & Reel (TR) Last Time Buy110kHz ~ 205kHzGeneral Purpose---20mAI²C---3.4V ~ 5.25V-20°C ~ 85°CSurface Mount32-VFQFN Exposed Pad32-HVQFN (5x5)
MAX7060ATG+
MAX7060ATG+
RF TX IC ASK 280-450MHZ 24WFQFN
Analog Devices Inc./Maxim Integrated
198 $4.89
Tube Last Time Buy280MHz ~ 450MHzHome/Building Automation, Industrial ControlASK, FSK140kbps14dBm34mAPCB, Surface MountPCB, Surface Mount--2.1V ~ 3.6V, 4.5V ~ 5.5V-40°C ~ 125°CSurface Mount24-WFQFN Exposed Pad24-TQFN (4x4)
TXM-433-LC
TXM-433-LC
RF TX IC ASK/OOK 433MHZ 8SMD MOD
Linx Technologies Inc.
43 $16.48
LC Tube Active433MHzHome/Industrial Automation, Lighting, Remote Control, RKE, SecurityASK, OOK5kbps-4dBm ~ 4dBm5.2mASerialCastellation--2.7V ~ 5.2V-30°C ~ 70°CSurface Mount8-SMD ModuleModule
TXM-433-KH3
TXM-433-KH3
RF TX IC ASK 433MHZ 27SMD MOD
Linx Technologies Inc.
15 $21.94
KH3 Tube Active433MHzHome/Industrial Automation, Lighting, Remote Control, RKEASK, OOK-4dBm2.7mAParallelCastellation-Built-in Remote Control Encoder2.7V ~ 5.2V-30°C ~ 70°CSurface Mount27-SMD ModuleModule
PCF7900NHN/C0K/UZ
PCF7900NHN/C0K/UZ
IC TRANSMITTER UHF 16HVQFN
NXP USA Inc.
227 $2.48
Tape & Reel (TR) Active---------------
PCF7941ATSM2AB120,
PCF7941ATSM2AB120,
IC REMOTE KEYLESS ENTRY 20SSOP
NXP USA Inc.
41 $4.98
Tape & Reel (TR) Active------------Surface Mount20-SSOP (0.209", 5.30mm Width)20-SSOP

About RF Transmitters

What are RF Transmitters?

RF Transmitters

RF Transmitters, or Radio Frequency Transmitters, are devices that generate and emit radio waves to convey information over distances. They work by converting electrical signals into radio waves, which are then transmitted through an antenna. The basic operating principle involves modulating a carrier wave with the information signal, amplifying the modulated signal, and then radiating it into the air. RF Transmitters are integral to wireless communication systems, enabling the transmission of data, voice, and video across various platforms.

Types of RF Transmitters

Low-Power RF Transmitters

These transmitters are typically used in short-range communication systems, such as Bluetooth devices and wireless microphones. They are characterized by their low energy consumption and limited transmission range, making them ideal for battery-operated devices.

High-Power RF Transmitters

High-power RF transmitters are used in applications requiring long-distance communication, such as television and radio broadcasting. They are designed to deliver high output power, ensuring the signal can travel over vast distances without significant loss of quality.

Frequency Modulated (FM) Transmitters

FM transmitters are widely used in radio broadcasting. They modulate the frequency of the carrier wave to encode information, providing high-quality audio transmission with resistance to signal interference.

Amplitude Modulated (AM) Transmitters

AM transmitters modulate the amplitude of the carrier wave. They are commonly used in medium-wave and short-wave broadcasting, offering a simple and cost-effective solution for transmitting audio signals over long distances.

How to choose RF Transmitters?

When selecting RF transmitters, consider the following key parameters:

  • Frequency Range: Ensure the transmitter operates within the required frequency band for your application.
  • Output Power: Choose a transmitter with sufficient power to cover the desired range without causing interference.
  • Modulation Type: Select between AM, FM, or digital modulation based on the application requirements.
  • Bandwidth: Ensure the transmitter supports the necessary bandwidth for the data rate you intend to transmit.
  • Environmental Factors: Consider the operating temperature range and humidity levels the transmitter will be exposed to.

Evaluate product quality and reliability by reviewing supplier certifications, customer reviews, and warranty offerings. Installation requirements, such as antenna placement and power supply, should also be assessed to ensure optimal performance.

Applications of RF Transmitters

Telecommunications

In telecommunications, RF transmitters are used in cellular networks to facilitate wireless communication between mobile devices and base stations. They enable voice and data transmission over large areas, supporting the backbone of modern communication systems.

Broadcasting

RF transmitters are essential in radio and television broadcasting, where they transmit audio and video signals to a wide audience. They ensure high-quality signal delivery over long distances, reaching millions of receivers simultaneously.

Industrial Automation

In industrial settings, RF transmitters are used for remote monitoring and control of machinery and processes. They enable wireless data transmission from sensors and controllers, improving operational efficiency and safety.

Healthcare

In healthcare, RF transmitters are employed in medical telemetry systems to wirelessly transmit patient data from monitoring devices to central stations. This allows for real-time monitoring and timely medical interventions.

Consumer Electronics

RF transmitters are found in various consumer electronics, such as remote controls, wireless headphones, and gaming consoles. They facilitate seamless wireless connectivity, enhancing user experience and convenience.