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RFM12B Datasheet, PDF (1/11 Pages) List of Unclassifed Manufacturers – UNIVERSAL ISM BAND FSK TRANSCEIVER MODULE | |||
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RFM12B
Datasheet REV2.0
UNIVERSAL ISM BAND FSK TRANSCEIVER MODULE
RFM12B
ï¼the purpose of this spec covers mainly for the
physical characteristic of the module, for register
configure and its related command info please refer
to RF12B data sheetsï¼
RFM12B
General Introduction
RFM12B is a low costing ISM band transceiver
module implemented with unique PLL. It works
signal ranges from 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 demodulatorï¼with external RC filter highest data rate is
256 kbps)
⢠Differential antenna input/output
⢠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)
⢠Automatic frequency control (AFC)
⢠Data quality detection (DQD)
⢠Internal data filtering and clock recovery
⢠RX synchron pattern recognition
⢠SPI compatible serial control interface
⢠Clock and reset signal output for external MCU use
⢠16 bit RX Data FIFO
⢠Two 8 bit TX data registers
⢠Standard 10 MHz crystal reference
⢠Wakeup timer
⢠2.2V â 3.8V power supply
⢠Low power consumption
⢠Standby current less than 0.3uA
⢠Supports very short packets (down to 3 bytes)
Tel: +86-755-82973805 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com
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