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RFM42BW

FSK ISM RF Transmitter Module


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1. Descriptions of RF Transmitter Moudle RFM42BW:


HopeRF's RFM42B are highly integrated, low cost, 433/868/915MHZ wireless ISM RF transmitters module.The RFM42B offers advanced radio features including adjustable power output levels of +1 to +20dBm,Power adjustments are made in 3dB steps. The RFM42B's high level of integration offers reduced BOM cost while implifying the overall system design. The RFM42B’s Industry leading +20dBm output power ensures extended range and improved link performance.


Additional system features such as an automatic wake-up timer, low battery detector, 64 byte TX FIFO, and automatic packet handling reduce overall current consumption and allow the use of lower-cost system MCUs. An integrated temperature sensor, general purpose ADC, power-on-reset (POR), and GPIOs further reduce overall system cost and size.


The direct digital transmit modulation and automatic PA power ramping ensure precise transmit modulation and reduced spectral spreading ensuring compliance with global regulations including FCC,ETSI regulations. An easy-to-use calculator is provided to quickly configure the radio settings,simplifying customer's system design and reducing time to market.


2. Features of RF Transmitter Moudle RFM42BW:


● Frequency range: 433/868/915MHz ISM bands

● Output Power Range: +1 to +20dBm (RFM42B)

● Low Power Consumption:30 mA @ +13 dBm

● Data Rate = 0.123 to 256 kbps

● FSK, GFSK, and OOK modulation

● Power Supply = 1.8 to 3.6 V

● Ultra low power shutdown mode

● Wake-up timer

● Integrated 32 kHz RC or 32 kHz XTAL

● Integrated voltage regulators

● Configurable packet handler

● TX 64 byte FIFO

● Low battery detector

● Temperature sensor and 8-bit ADC

● –40 to +85 °C temperature range

● Integrated voltage regulators

● Frequency hopping capability

● On-chip crystal tuning

● Low cost

● Power-on-reset (POR)


3. Applications of RF Transmitter Moudle RFM42BW:


● Remote control

● Home security & alarm

● Telemetry

● Personal data logging

● Toy control

● Wireless PC peripherals

● Remote meter reading

● Remote keyless entry

● Home automation

● Industrial control

● Sensor networks

● Health monitors


Design documents and resources
DEMO & Tools:
AN0002-Hopeduino platform construction guideline
2018-11-20
CP210x_VCP_Windows
2018-11-20
HoepRF_HSP_V1.3
2018-11-22
HoepRF_HSP_V1.0
2018-11-20
HopeRF_RFDK_RFMxx_DEMO_V2.1_operation_manual
2018-11-22
HopeRF_RF-EVB_manual_V1.21
2018-11-22
RF22B 23B 31B 42B 43B Register Settings_RevB1-v5
2018-12-04
RFDK_PIC16_LCD V1.1hardware(131029)
2018-11-22
RFMXXB_Tools
2018-12-06
Design Guides:
AN0002-Hopeduino platform construction guideline
2018-11-22
AN466
2018-12-06
ANTENNAS_MODULE
2018-11-22
RFDK_RFM42B_V2.1
2018-12-04
RFM42B_communicate_with_EVB_20130520V1.0
2018-12-04
Certification & Test Reports:
ETSI Test Report RFM43-869MHz
2018-12-06
ETSI Test Report RFM43-434MHz
2018-12-06
RF Module REACH-20190517
2019-05-20
RF Module ROHS2.0-20190419
2019-05-20
Associated products
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