Rainbow-electronics RFM12 User Manual download pdf

RFM12

UNIVERSAL ISM BAND FSK TRANSCEIVER MODULE

RFM12

（the purpose of this spec covers mainly for the

physical characteristic of the module, for register

configure and its related command info please refer

RF12 data sheets）

General Introduction

RFM12 is a low costing ISM band transceiver

module implemented with unique PLL. It works

signal ranges from 315/433/868/915MHZ bands,

comply with FCC, ETSI regulation. The SPI

interface is used to communicate with

microcontroller for parameter setting.

Features:

• Low costing, high performance and price ratio

• Tuning free during production

• PLL and zero IF technology

• Fast PLL lock time

• High resolution PLL with 2.5 KHz step

• High data rate (up to 115.2 kbps with internal demodulator，with external RC filter highest data rate is

256 kbps)

• Differential antenna input

• Automatic antenna tuning

• Programmable TX frequency deviation (from 15 to 240 KHz)

• Programmable receiver bandwidth (from 67 to 400 kHz)

• Analog and digital signal strength indicator (ARSSI/DRSSI)

• AFC

• DQD

• Internal data filtering and clock recovery

• RX synchron pattern recognition

• SPI interface

• Clock and reset signal output for external MCU use

• 16 bit RX Data FIFO

• Two 8 bit TX data registers

• 10MHz crystal for PLL timing

• Wakeup timer

• 2.2V - 5.4V power supply

• Low power consumption

• Standby current less than 0.3uA

Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: [email protected]

http://www.hoperf.com

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Summary of Contents

Page 1 - Features:

RFM12 UNIVERSAL ISM BAND FSK TRANSCEIVER MODULE RFM12 RFM12 （the purpose of this spec covers mainly

Page 2 - Pin Definition：

RFM12 Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: [email protected] http://www.hoperf.co

Page 3 - Electrical Parameter：

RFM12 Typical Application： • Remote control • Remote sensor • Wireless data collection • Home securi

Page 4 - AC characteristic

RFM12 Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: [email protected] http://www.hoperf.co

Page 5 - Field testing range

RFM12 Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: [email protected] http://www.hoperf.co

Page 6 - SGS Reports

RFM12 Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: [email protected] http://www.hoperf.co

Page 7

RFM12 SGS Reports Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: [email protected] ht

Page 8 - Mechanical Dimension

RFM12 Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: [email protected] http://www.hope

Page 9 - Module Model Definition

RFM12 Mechanical Dimension （units in mm） SMD PACKAGE（S1） SMD PACKAGE（S2） Tel: +86-755-82973806

Page 10

RFM12 DIP PACKAGE（D） Module Model Definition model=module-operation band RFM12 – 433-D/STel: +8

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Rainbow-electronics RFM12 User Manual

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