RFM12B Datasheet, PDF (4/11 Pages) List of Unclassifed Manufacturers – UNIVERSAL ISM BAND FSK TRANSCEIVER MODULE

frequency
f_LO
(9MHZ crystal
used)
frequency
f_LO
(11MHZ crystal
used)
BW
Receiver
bandwidth
t_lock
PLL lock time
tst, P
BR
BR_A
PLL startup time
Data rate
Data rate
P_min
sensitivity
AFC_range AFC working
range
RS_A
RSSI accuracy
RS_R
RSSI range
C_ARSSI ARSSI filter
RS_STEP
RSSI
programmable
step
RS_RESP
DRSSI response
time
433 MHz band,2.5KHz step
868 MHz band,5KHz step
915 MHz band,7.5KHz step
433 MHz band,2.5KHz step
868 MHz band,5KHz step
915 MHz band,7.5KHz step
mode 0
mode 1
mode 2
mode 3
mode 4
mode 5
After 10MHz step hopping, frequency
error <10 kHz
With a running crystal
oscillator
With internal digital demodulator
With external RC filter
BER 10^-3, BW=134KHz,BR=1.2kbps, 433MHz band
BER 10^-3, BW=134KHz,BR=1.2kbps, 868MHz band
BER 10^-3, BW=134KHz,BR=1.2kbps, 915MHz band
df_FSK : FSK deviation in the received
signal
RFM12B
Datasheet REV2.0
387.22
395.7
774.43
6
MHz
810.65
791.5
6
836.3
4
473.26
483.7
946.53
3
MHz
990.79
967.4
6
1022.
2
60
67
75
120
134
150
180
200
225 KHz
240
270
300
300
350
375
360
400
450
30
us
200 300
us
0.6
115.2 kbps
256 kbps
-109
-100
-105
-100 ^dBm
-105
-100
0.8*
df_FSK
±5
dB
46
dB
1
nF
6
dB
RSSI output high after valid ,
CARRSI=5nF
500
us
Tel: [phone] Fax: [phone] E-mail: [e-mail] http://www.hoperf.com