RF Modules

What is a RF Module?
A RF Module is commonly referred to as a “radio frequency” module, it is a small electronic device that is used to transmit and receive radio signals between two devices. A RF Module is usually 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.

What is the main function of a 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. Some of the main functions of a 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
• Acts as a transmitter

Did you know?
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, an interference with other radio frequencies can occur.

Typical Applications of a RF Module
• Car alarm systems
• Remote controls
• Sensor reporting
• Automation systems

...
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Description Price Module Type Supported Frequency Bands Modulation Technique Maximum RF Data Rate Maximum Output Power Receiver Sensitivity Supported Bus Interfaces Supply Voltage Dimensions Height Length Maximum Operating Temperature Minimum Operating Temperature Width
RS Stock No. 903-3059
Mfr. Part No.RF-LORA-868-SO
MYR63.95
Each
units
Transceiver 868 MHz FM, FSK, GFSK, GMSK, MSK, OOK 300kbit/s +20dBm -130dBm - 1.8 → 3.6V 19.95 x 23 x 1mm 1mm 23mm +85°C -40°C 19.95mm
RS Stock No. 125-1261
Mfr. Part No.RFM98W-433S2
MYR59.86
Each
units
Transceiver 433 MHz FSK, GFSK, GMSK, MSK, OOK 300kbit/s +13dBm -148dBm SPI 3.3V 16 x 16 x 1.8mm 1.8mm 16mm +70°C -20°C 16mm
RS Stock No. 657-1362
Mfr. Part No.QFM-RX1-433
BrandQuasar
MYR53.80
Each
units
Receiver 433 MHz FM 4800bit/s - -106dBm - 4.5 → 5.5V 13 x 44.2 x 5.5mm 5.5mm 44.2mm +85°C -20°C 13mm
RS Stock No. 793-1992
Mfr. Part No.RFM69HW-868-S2
BrandHopeRF
MYR39.62
Each
units
Transceiver 868 MHz FSK, GFSK, GMSK, MSK, OOK 300kbit/s +20dBm -120dBm SPI 1.8 → 3.6V 19.7 x 16 x 1mm 1.9mm 19.7mm +70°C -20°C 16mm
RS Stock No. 666-6744
Mfr. Part No.ALPHA-TX433S
MYR21.85
Each
units
Transmitter 433 MHz FM 256kbit/s +7dBm -109dBm SPI 2.2 → 5.4V 16.1 x 15.9 x 4.2mm 4.2mm 16.1mm +85°C -40°C 15.9mm
RS Stock No. 793-1998
Mfr. Part No.RFM69W-868-S2
BrandHopeRF
MYR35.72
Each
units
Transceiver 868 MHz FSK, GFSK, GMSK, MSK, OOK 300kbit/s +13dBm -120dBm SPI 1.8 → 3.6V 19.7 x 16 x 1mm 1.9mm 19.7mm +70°C -20°C 16mm
RS Stock No. 672-9000
Mfr. Part No.ALPHA-RX868S
MYR20.51
Each
units
Receiver 868 MHz FM 256kbit/s - - SPI 2.2 → 5.4V 16.1 x 15.9 x 4.2mm 4.2mm 15.9mm +85°C -45°C 16.1mm
RS Stock No. 783-9616
Mfr. Part No.ERA-ARDUINO-S900
BrandLPRS
MYR213.54
Each
units
Transceiver 868 MHz, 915 MHz - 115.2kbit/s +7dBm -117dBm - 5V 68 x 52 x 10mm 10mm 68mm +85°C -40°C 52mm
RS Stock No. 125-1259
Mfr. Part No.RFM95W-868S2
MYR61.26
Each
units
Transceiver 868 MHz FSK, GFSK, GMSK, MSK, OOK 300kbit/s +13dBm -148dBm SPI 3.3V 16 x 16 x 1.8mm 1.8mm 16mm +70°C -20°C 16mm
RS Stock No. 532-4373
Mfr. Part No.ER400RS-02
BrandEasy Radio
MYR137.38
Each
units
Receiver 433 MHz FSK 38.4kbit/s +10dBm -105dBm RS232 3.3 → 5.5V 38 x 4 x 14mm 14mm 38mm +85°C -40°C 4mm
RS Stock No. 736-0801
Mfr. Part No.STD35
BrandTelic
MYR2,138.41
Each
units
Transceiver - GSM - - - RS232 7 → 32V 95 x 125 x 35mm 35mm 125mm +75°C -30°C 95mm
RS Stock No. 793-1995
Mfr. Part No.RFM69W-433-S2
BrandHopeRF
MYR44.92
Each
units
Transceiver 433 MHz FSK, GFSK, GMSK, MSK, OOK 300kbit/s +13dBm -120dBm SPI 1.8 → 3.6V 19.7 x 16 x 1mm 1.9mm 19.7mm +70°C -20°C 16mm
RS Stock No. 672-9016
Mfr. Part No.SMARTALPHA-RX868
MYR76.82
Each
units
Transceiver 868 MHz GFSK 86.2kbit/s 0dBm -110dBm USB 2.3 → 3.6V - - 23.7mm +80°C -20°C 26mm
RS Stock No. 672-9003
Mfr. Part No.ALPHA-TR868S
MYR28.59
Each
units
Transceiver 868 MHz FM 115200bit/s - - SPI 2.2 → 3.8V - - - +85°C -45°C -
RS Stock No. 125-1260
Mfr. Part No.RFM95W-915S2
MYR57.02
Each
units
Transceiver 915 MHz FSK, GFSK, GMSK, MSK, OOK 300kbit/s +13dBm -148dBm SPI 3.3V 16 x 16 x 1.8mm 1.8mm 16mm +70°C -20°C 16mm
RS Stock No. 617-1811
Mfr. Part No.QAM-TX3
BrandQuasar
MYR24.40
Each
units
Transmitter 433.92 MHz AM, ASK 3000Hz +10dBm - - 3 → 12V 5.2 x 7.08 x 1.8mm 1.8mm 7.08mm +85°C -20°C 5.2mm
RS Stock No. 903-3030
Mfr. Part No.GAMMA-868
MYR148.25
Each
units
Transceiver 868 MHz FM 9.6kbit/s +20dBm -137dBm RS232 1.8 → 3.6V - - - +85°C -40°C -
RS Stock No. 786-3198
Mfr. Part No.PTM210
BrandEnOcean
MYR189.82
Each
units
Transmitter 868 MHz ASK 125kbit/s +5dBm - - - 40 x 40 x 11.2mm 11.2mm 40mm +65°C -25°C 40mm
RS Stock No. 783-9631
Mfr. Part No.ERA900TS
BrandLPRS
MYR99.48
Each
units
Transmitter 868 MHz, 915 MHz ASK, FSK, GFSK 38400bit/s +10dBm -117dBm RS232, UART 2.5 → 5.5V 31 x 4 x 12mm 12mm 31mm +85°C -40°C 4mm
RS Stock No. 731-2779
Mfr. Part No.RFM02--868-S1
BrandHopeRF
MYR26.44
Each
units
Transmitter 868 MHz FSK 115.2kbit/s +8dBm - SPI 2.2 → 5.4V 15.9 x 16.1 x 4.2mm 4.2mm 16.1mm +85°C -40°C 15.9mm
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