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庫存編號 903-3059
製造零件編號RF-LORA-868-SO
TWD440
單位
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庫存編號 125-1260
製造零件編號RFM95W-915S2
TWD508
單位
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庫存編號 125-1259
製造零件編號RFM95W-868S2
TWD546
單位
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庫存編號 903-3034
製造零件編號GAMMA-868-SO
TWD818
單位
Transceiver 868 MHz FM 9.6kbit/s +20dBm -137dBm RS232 1.8 → 3.6V - - - +85°C -40°C -
RS庫存編號 666-6744
製造零件編號ALPHA-TX433S
TWD164
單位
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庫存編號 783-9616
製造零件編號ERA-ARDUINO-S900
BrandLPRS
TWD1,597
單位
Transceiver 868 MHz, 915 MHz - 115.2kbit/s +7dBm -117dBm - 5V 68 x 52 x 10mm 10mm 68mm +85°C -40°C 52mm
RS庫存編號 125-1261
製造零件編號RFM98W-433S2
TWD533
單位
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庫存編號 672-9003
製造零件編號ALPHA-TR868S
TWD196
單位
Transceiver 868 MHz FM 115200bit/s - - SPI 2.2 → 3.8V - - - +85°C -45°C -
RS庫存編號 903-3030
製造零件編號GAMMA-868
TWD1,046
單位
Transceiver 868 MHz FM 9.6kbit/s +20dBm -137dBm RS232 1.8 → 3.6V - - - +85°C -40°C -
RS庫存編號 666-6757
製造零件編號ALPHA-TRX433S
TWD267
單位
Transceiver 433 MHz FM 115.2kbit/s +25dBm - SPI 2.2 → 3.8V 16.1 x 15.9 x 4.2mm 4.2mm 16.1mm +85°C -40°C 15.9mm
RS庫存編號 783-9628
製造零件編號ERA400TS
BrandLPRS
TWD705
單位
Transmitter 433 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庫存編號 786-3198
製造零件編號PTM210
BrandEnOcean
TWD1,274
單位
Transmitter 868 MHz ASK 125kbit/s +5dBm - - - 40 x 40 x 11.2mm 11.2mm 40mm +65°C -25°C 40mm
RS庫存編號 505-6828
製造零件編號FM-RTFQ1-868
TWD340
單位
Transmitter 868 MHz FM 9.6kbit/s +5dBm -100dBm - 2.1 → 4V 38.1 x 4 x 18.3mm 18.3mm 38.1mm +80°C -25°C 4mm
RS庫存編號 672-9007
製造零件編號SMARTALPHA-433
TWD544
單位
Transceiver 433 MHz GFSK 86.2kbit/s 0dBm -110dBm USB 2.3 → 3.6V - - 23.7mm +80°C -20°C 26mm
RS庫存編號 762-0121
製造零件編號ZULUEVAL-T
TWD4,032
單位
Transceiver 868 MHz FSK 256kbit/s +20dBm -116dBm - 2.2 → 3.6V 11 x 25 x 1mm 1mm 25mm +85°C -40°C 11mm
RS庫存編號 672-9016
製造零件編號SMARTALPHA-RX868
TWD544
單位
Transceiver 868 MHz GFSK 86.2kbit/s 0dBm -110dBm USB 2.3 → 3.6V - - 23.7mm +80°C -20°C 26mm
RS庫存編號 177-4868
製造零件編號ERA400TS
BrandLPRS
TWD1,057
Each (In a Tray of 50)
單位
Transmitter 433 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庫存編號 505-6799
製造零件編號R7G-434.525
TWD1,479
單位
Receiver 434 MHz FM 20kbit/s - -117dBm - 4.5 → 5.5V 48 x 8.3 x 17mm 17mm 48mm +55°C -10°C 8.3mm
RS庫存編號 532-4395
製造零件編號ER900RS-02
BrandEasy Radio
TWD841
單位
Receiver 868 MHz, 915 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庫存編號 145-2336
製造零件編號BP35C2
BrandROHM
TWD4,873
單位
Wireless 922.5 → 927.9 MHz - - 20mW -103dBm USB - 49.7 x 21.4 x 8.5mm 8.5mm 49.7mm +50°C -20°C 21.4mm