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RFM22B /RFM23B 433/868/915Mhz Wireless Transceiver Modules

RFM22B /RFM23B are highly integrated, cost-effective 433/868/915MHZ wireless ISM transceivers module

  • RFM22B/RFM23B
  • 433/868/915Mhz
  • SI4432/SI4431
  • +20dBm for RFM22B; +13dBm for RFM23B
  • 1.8~3.6 V
  • -121dBm
  • 1800m
  • 16*16*3.9mm
Quantity:

RFM22B /RFM23B 433/868/915Mhz Wireless FSK Transceiver Module


Brief Introduction

RFM22B /RFM23B are highly integrated, low cost,433/868/915MHZ wireless ISM transceivers module. The low receive sensitivity(–121dBm) coupled with industry leading +20dBm/ +13dBm output power ensures extended range and improved link performance. Built-in antenna diversity and support for frequency hopping can be used to further extend range and enhance performance. 

Additional system features such as an automatic wake-up timer, low battery detector, 64 byte TX/RX FIFOs, automatic packet handling, and preamble detection 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 RFM22B/23B's digital receive architecture features a high-performance ADC and DSP based modem which performs demodulation, filtering, and packet handling for increased flexibility and performance. 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. An easy-to-use calculator is provided to quickly configure the radio settings, simplifying customer's system design and reducing time to market.


Features

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

● Sensitivity = -121 dBm

● Output power range:+20 dBm for RFM22B and +13dBm for RFM23B 

● Low Power Consumption

  18.5 mA receive

  30 mA @ +13 dBm transmit

  85 mA @ +20 dBm transmit

● 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

● Digital RSSI

● Wake-up timer

● Auto-frequency calibration (AFC)

● Power-on-reset (POR)

● Antenna diversity and TR switch control

● Configurable packet handler

● Preamble detector

● TX and RX 64 byte FIFOs

● 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

● 14-PIN DIP & 16-PIN SMD package

● Cost-effective


Applications

● Remote control

● Home security & alarm

● Telemetry

● Personal data logging

● Toy control

● Tire pressure monitoring

● Wireless PC peripherals

● Remote meter reading

● Remote keyless entry

● Home automation

● Industrial control

● Sensor networks

● Health monitors

● Tag readers


Download Center

RFM 22B/23B Specification V1.1 do


Pins Definition

RFM22B Pin Descriptions


RFM23B Pin Descriptions

Dreamlnk is a high-tech enterprise specializing in ISM band micropower wireless communication technology, providing different kinds of wireless modules and one-stop IoT solutions, including 433/868/915MHz wireless modules, 2.4G RF Modules, FSK Transceiver Modules, Antennas, Remote Controls, and customized wireless RF solutions. Welcome to inquire!

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