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FSK Two-way Transceiver Module RFM23BP

RFM23BP are highly integrated, 433/868/915MHZ wireless transceiver module. The high receive sensitivity (-120dBm) coupled with industry leading +30dBm output power ensures extended range and improved link performance.

  • RFM23BP
  • 433/470/868/915MHz
  • RFM23BP
  • 30dBm
  • 1.8V-3.6V
  • -120 dBm
  • 2000m
  • 33x18x2 mm
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FSK Two-way RF Transceiver Module RFM23BP


RFM23BP are highly integrated, low cost,433/868/915MHZ wireless transceivers module. The low receive sensitivity (–120dBm) coupled with industry leading +30dBm 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 RFM23BP digital receive archit ecture 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: –120 dBm

● Output power range:  +30 dBm Max (RFM23BP)

Low Power Consumption:  

   25mA in receive state

   550 mA @ +30dBm transmit

Transmission Rate: 0.123 to 256 kbps

● FSK, GFSK, and OOK modulation

● Power Supply: 3.3 to 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

● 16-PIN SMD package

Low cost


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

RFM23BP Specification V1.1 do


Electrical Specifications

DC characteristics

Parameter  Symbol Conditions Min Typ Max Units
Supply Voltage Range VDD 
3.3 5
6 V
Power Saving Modes I  Shutdown

RC Oscillator, Main Digital Regulator,

and Low Power Digital Regulator OFF

- 15 50 nA
I Standby 

Low Power Digital Regulator ON (Register values retained)

and Main Digital Regulator, and RC Oscillator OFF

- 450 800 nA
I Sleep

RC Oscillator and Low Power Digital Regulator ON

(Register values retained) and Main Digital Regulator OFF

- 1 - µA
I Sensor-LBD

Main Digital Regulator and Low Battery Detector ON,

Crystal Oscillator and all other blocks OFF

- 1 - µA
I Sensor-TS

Main Digital Regulator and Temperature Sensor ON,

Crystal Oscillator and all other blocks OFF

- 1 - µA
I Ready

Crystal Oscillator and Main Digital Regulator ON,

all other blocks OFF. Crystal Oscillator buffer disabled

- 800 - µA
TUNE Mode Current I Tune Synthesizer and regulators enabled  - 8.5 - mA
RX Mode Current I RX
- 25 - mA

TX Mode Current

—RFM23BP

I TX_+Max txpow[2:0] = 110 (+30 dBm) - 550 - mA
I TX_+Min txpow[2:0] = 001 (TBD dBm) - TBD - mA


Pins Definition

23BP_01

VCC S +3.3 to +6 V supply voltage. The recommended V CC  supply voltage is +5V.
GND S Ground reference.
GPIO_0 I/O

General Purpose Digital I/O that may be configured through the registers to perform various

functions including: Microcontroller Clock Output, FIFO status, POR, Wake-Up timer, Low

Battery Detect, TRSW, AntDiversity control, etc. See the SPI GPIO Configuration Registers,

Address 0Bh, 0Ch, and 0Dh for more information.

GPIO_1 I/O
GPIO_2  I/O
SDO O

0–V CC V digital output that provides a serial readback function of the internal control

registers.

SDI I

Serial Data input. 0–V CC  V digital input. This pin provides the serial data stream for the 4-line

serial data bus.

SCLK I

Serial Clock input. 0–V DD  V digital input. This pin provides the serial data clock function for

the 4-line serial data bus. Data is clocked into the RFM23PS on positive edge transitions.

nSEL I

Serial Interface Select input. 0– V CC  V digital input. This pin provides the Select/Enable

function for the 4-line serial data bus. The signal is also used to signify burst read/write mode.

nIRQ O

General Microcontroller Interrupt Status output. When the RFM23PS exhibits anyone of the

Interrupt Events the nIRQ pin will be set low=0. Please see the Control Logic registers

section for more information on the Interrupt Events. The Microcontroller can then determine

the state of the interrupt by reading a corresponding SPI Interrupt Status Registers, Address

03h and 04h.

SDN I

Shutdown input pin. 0–V CC  V digital input. SDN should be = 0 in all modes except Shutdown

mode. When SDN =1 the chip will be completely shutdown and the contents of the registers

will be lost.

TX_ON I

Tx ON select input pin, When RFM23BP is TX state,TX_ON should be = 0, RX_ON

should be = 1

RX_ON I

Rx ON select input pin, When  RFM2 3BPS is RX state,RX_ON should be = 0, TX_ON

should be = 1

ANT I/O RF signal output/input.(50 OHM output  /input Impedance

Size

23BP_01

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 wireless Modules, FSK Wireless Transceiver Modules, Antennas, Remote Controls, and customized wireless RF solutions. Welcome to inquire!

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