RF Modules

An RF module, also commonly referred to as a radio frequency module, is a small electronic device that is used to transmit and receive radio signals between two devices, and is also used in embedded systems to facilitate wireless communication connections. RS Components offer a varied range of RF modules from several brands across the industry, including Eccel Technology, ON Semiconductor, RF Solutions, Wurth Elektronik, and many more.

What is the main function of an RF module?

Radio frequency modules are the biggest facilitator of wireless communication, this is because it does not require a line of sight. This is in contrast to its usual alternative, Infrared, which mostly operates in line of sight mode. It spans between a range of 3 kHz and 300 GHz, with the lower end being applied in applications such as submarines and radio stations whilst the higher spectrum is used in applications such as GPS, Wi-Fi, Bluetooth and TV broadcasting. An RF module is typically used with a pair of encoder/decoders. The encoder is used for encoding parallel data for transmitting whilst the reception is decoded by a decoder. Some of the main functions of an RF Module are:

  • Act as a transmitter of signals
  • A solution for detecting radio signals
  • Bridging communication between two devices
  • RF can stretch communication between applications
  • Acts as a receiver module

The performance of radio frequency applications is dependent on a few factors. Through increasing a transmitter’s power, a larger communication range can be attained. This also causes a power drain from the power source which could result in a shorter life span for battery-powered devices. Through the use of higher transmitted power, interference with other radio frequencies can occur.

Typical applications of an RF module

  • Car alarm systems
  • Remote controls
  • Sensor reporting
  • Automation systems

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Description Price Component Type Module Type Supported Frequency Bands Modulation Technique Maximum RF Data Rate Maximum Output Power Mounting Type Receiver Sensitivity Supported Bus Interfaces Supply Voltage Dimensions Height Length Maximum Operating Temperature
RS庫存編號 666-6757
製造零件編號ALPHA-TRX433S
TWD268.00
單位
Module - 433MHz FM 115.2kbit/s +25dBm - - SPI 2.2 → 3.8V 16.1 x 15.9 x 4.2mm 4.2mm 16.1mm +85 °C
RS庫存編號 177-4868
製造零件編號ERA400TS
BrandLPRS
TWD1,370.20
Each (In a Tray of 50)
單位
Module - 433MHz ASK, FSK, GFSK 38400bit/s +10dBm - -117dBm RS232, UART 2.5 → 5.5V 31 x 4 x 12mm 12mm 31mm +85 °C
RS庫存編號 783-9628
製造零件編號ERA400TS
BrandLPRS
TWD1,401.00
單位
Module - 433MHz ASK, FSK, GFSK 38400bit/s +10dBm - -117dBm RS232, UART 2.5 → 5.5V 31 x 4 x 12mm 12mm 31mm +85 °C
RS庫存編號 762-0121
製造零件編號ZULUEVAL-T
TWD5,292.00
單位
Module - 868MHz FSK 256kbit/s +20dBm - -116dBm - 2.2 → 3.6V 11 x 25 x 1mm 1mm 25mm +85 °C
RS庫存編號 672-9016
製造零件編號SMARTALPHA-RX868
TWD619.00
單位
Module - 868MHz GFSK 86.2kbit/s 0dBm - -110dBm USB 2.3 → 3.6V - - 23.7mm +80 °C
RS庫存編號 786-3198
製造零件編號PTM210
BrandEnOcean
TWD1,114.00
單位
Module - 868MHz ASK 125kbit/s +5dBm - - - - 40 x 40 x 11.2mm 11.2mm 40mm +65 °C
RS庫存編號 146-5906
製造零件編號Lazurite 920J
BrandLapis
TWD1,395.00
毎盒:1 個
Box(es)
- Xbee Shield 920MHz - 100kbit/s - - - - 15V dc - - - -
RS庫存編號 783-9631
製造零件編號ERA900TS
BrandLPRS
TWD1,226.00
單位
Module - 868 MHz, 915MHz ASK, FSK, GFSK 38400bit/s +10dBm - -117dBm RS232, UART 2.5 → 5.5V 31 x 4 x 12mm 12mm 31mm +85 °C
RS庫存編號 189-0341
製造零件編號N24RF16EDTPT3G
Brandonsemi
TWD107.00
/個 (每包:5個)
單位
Module - - - - - - - I2C 1.8 → 5.5V 3.10 x 4.50 x 1.05mm 1.05mm 3.1mm +105 °C
RS庫存編號 532-4351
製造零件編號ER900TRS-02
BrandEasy Radio
TWD1,582.00
單位
Module - 868 MHz, 915MHz FSK 38.4kbit/s +10dBm - -105dBm RS232 3.3 → 5.5V 38 x 4 x 14mm 14mm 38mm +85 °C
RS庫存編號 793-2018
製造零件編號RFM65W-868-S2
BrandHopeRF
TWD310.00
單位
Module - 868MHz FSK, GFSK, GMSK, MSK, OOK 300kbit/s - - -120dBm SPI 1.8 → 3.6V 19.7 x 16 x 1mm 1.9mm 19.7mm +70 °C
RS庫存編號 412-674
製造零件編號AD8361ARMZ
TWD420.00
單位
Controller - 2.5GHz - - - Surface Mount - - - 3 x 3 x 0.85mm 0.85mm 3mm +85 °C
RS庫存編號 657-1362
製造零件編號QFM-RX1-433
BrandQuasar
TWD590.00
單位
Module - 433MHz FM 4800bit/s - - -106dBm - 4.5 → 5.5V 13 x 44.2 x 5.5mm 5.5mm 44.2mm +85 °C
RS庫存編號 189-0364
製造零件編號N24RF64DWPT3G
Brandonsemi
TWD101.00
/個 (每包:5個)
單位
Module - - - - - - - I2C 1.8 → 5.5V 5 x 4 x 1.5mm 1.5mm 5mm +105 °C
RS庫存編號 206-9151
製造零件編號EC21EFA-MINIPCIE
BrandQuectel
TWD2,316.00
單位
- - B1/B3/B5/B7/B8/B20MHz - - - - - USB 2.0 - - - - -
RS庫存編號 532-4367
製造零件編號ER400TS-02
BrandEasy Radio
TWD1,227.00
單位
Module - 433MHz FSK 38.4kbit/s +10dBm - - RS232 3.3 → 5.5V 38 x 4 x 14mm 14mm 38mm +85 °C
RS庫存編號 206-9165
製造零件編號M95FA-TEA-03-STDN
BrandQuectel
TWD1,036.00
單位
- - 850/ 900/ 1800/ 1900MHz - - - - - - - - - - -
RS庫存編號 209-6122
製造零件編號LT5534ESC6#TRMPBF
TWD288.00
個 (在毎卷:500)
單位
- - - - - - - - - - - - - -
RS庫存編號 206-9160
製造零件編號EM12GPA-512-SGAS
BrandQuectel
TWD8,683.00
單位
- - B1+B3/B5/B18/B19/B20/B26 MHz, B1/B2/B3/B4/B5/B7/B8/B9/B12/B13/B14/B17/B18/B19/B20/B21/B25/B26/B28/ B294)/B30/B324)/B66 MHz, B12+B25/B30 MHz, B13+B66 MHz, B14+B30/B66 MHz, B19+B21 MHz, B2+B2 MHz, B2+B4/B5/B12/B13/B14/B17/B29/B30/B66 MHz, B20+B32 MHz, B25+B25 MHz, B25+B26/B41 MHz, B29+B30 MHz, B3+B3 MHz, B3+B5/B7/B8/B19/B20/B28 MHz, B38+B38 MHz, B38/B39/B40/B41 MHz, B39+B39 MHz, B39+B41 MHz, B4+B4 MHz, B4+B5/B12/B13/B17/B29/B30 MHz, B40+B40 MHz, B41+B41 MHz, B5+B7/B25/B30/B66 MHz, B66+B12/B29/B30 MHz, B66+B66 MHz, B7+B20/B28 MHz, B7+B7 MHz - - - - - - - - - - -
RS庫存編號 162-4454
製造零件編號RFID A1_B1 EB (000374)
TWD130.00
單位
Reader - - - - - - - I2C, Serial, SPI, UART, USB 2.5 → 3.6V - - 46mm +85 °C