rfm02 Hope Microelectronics co., Ltd, rfm02 Datasheet - Page 4

• Manufacturer Part Number: rfm02
• Description: Ism Band Fsk Transmitter Module
• Manufacturer: Hope Microelectronics co., Ltd

DC Characteristics：
symbol
f
f
f
f
t
t
P
C
Q
BR
df
C
t
t
t
t
Field testing range
operation band
433MHz band
868MHz band
915MHz band
ref
o
o
o
lock
sp
PBt
wake-up
POR
sx
max
o
xl
o
fsk
FSK
Tel: [phone] Fax: [phone] E-mail: [e-mail] http://www.hoperf.com
parameter
PLL reference frequency
Output frequency
（f
Output frequency（f
Output frequency （ f
PLL lock time
PLL start time
Max available ouput power
output capacitance(set by
antenna tuning circuit)
Q factor of output capacitance
FSK data rate
FSK deviation
crystal load capacitance
period of wake-up timer clock
wake-up time(programable)
internal POR time
Crystal start time
ref
=10MHZ）
condition
Bandwidth=134KHz, data rate=1.2kbps
Frequency deviation=60KHZ（matches with RFM01）
in free open area
Bandwidth=134KHz, data rate=1.2kbps
Frequency deviation=60KHZ（matches with RFM01）
in free open area
Bandwidth=134KHz, data rate=1.2kbps
Frequency deviation=60KHZ（matches with RFM01）
in free open area
ref
ref
=11MHZ）
=9MHZ）
conditions/notes
Parallel fundamental
433MHz band,2.5kHz step
868MHz band,5.0kHz step
915MHz band,7.5kHz step
433MHz band,2.5kHz step
868MHz band,5.0kHz step
915MHz band,7.5kHz step
433MHz band,2.5kHz step
868MHz band,5.0kHz step
915MHz band,7.5kHz step
After 10MHz step hopping,
frequency error <10 kHz
After crystal stabilized
433MHz band
868MHz band
915MHz band
low bands
high bands
30KHz step
0.5pF
+/-10%
calibrated evry 30 seconds
after power reached 90%
VDD
ESR < 100 ohms
step,tolerance
min
9
430.24
860.48
900.72
387.22
774.43
810.65
473.26
946.53
990.79
5
2
2
1.5
1.6
16
30KHz
8.5
0.95
1
typ
10
20
7
4
4
2.3
2.2
18
Datasheet REV1.2
RFM02
max
11
439.75
879.51
929.27
395.76
791.56
836.34
483.73
967.46
1022.2
250
3.1
2.8
22
115.2
210
16
1.05
2*10E9
100
5
range
>200m
>200m
>200m
unit
MHz
MHz
MHz
MHz
μs
μs
dBm
pF
kbps
kHz
pF
ms
ms
ms
ms