RFM31B-868-S1 QUASAR, RFM31B-868-S1 Datasheet - Page 6

• Manufacturer Part Number: RFM31B-868-S1
• Description: MODULE, RECEIVER, -118DB, SMD,868MHZ
• Manufacturer: QUASAR

Specifications of RFM31B-868-S1

• Modulation Type: FSK, GFSK, OOK
• Sensitivity: -121dBm
• Power Supply: 1.8V To 3.6V
• Supply Current: 18.5mA
• Data Rate Max: 256Kbps
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 3. Receiver AC Electrical Characteristics
RX Frequency
Range
RX Channel Bandwidth
BER Variation vs Power
Level
1-Ch Offset Selectivity
2-Ch Offset Selectivity
 3-Ch Offset Selectivity
Blocking at 1 MHz Offset
Blocking at 4 MHz Offset
Blocking at 8 MHz Offset
Image Rejection
Spurious Emissions
RX Sensitivity
RSSI Resolution
Tel: [phone]
Parameter
1M
4M
8M
P
P
RES
P
Symbol
P
P
C/I
C/I
C/I
P
Im
P
RX_OOK
RX_RES
OB_RX1
RX_100
RX_125
F
RX_40
BW
BLOCK
BLOCK
BLOCK
RX_2
Fax: [phone]
1-CH
2-CH
3-CH
RX
REJ
RSSI
lated with 40 kbps F = 20 kHz GFSK with
BER < 0.1%. Interferer and desired modu-
Desired Ref Signal 3 dB above sensitivity,
Desired Ref Signal 3 dB above sensitivity.
40 kbps F = 20 kHz GFSK with BT = 0.5
(2 kbps, GFSK, BT = 0.5, f = 5 kHz)
Interferer and desired modulated with
special crystal is used on the module
BT = 0.5, channel spacing = 150 kHz
Rejection at the image frequency.
(4.8 kbps, 350 kHz BW, OOK)
(40 kbps, 400 kHz BW, OOK)
(100 kbps, GFSK, BT = 0.5,
(125 kbps, GFSK, BT = 0.5,
(1.2kbps,FSK, BT = 0.5,
Up to +5 dBm Input Level
Measured at RX pins
f = 62.5 kHz)
f = 45 kHz)
f = 50 kHz)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
(BER < 0.1%)
Conditions
IF=937 kHz
433MHz band
915MHz band
868MHz band
E-mail: [e-mail] http://www.hoperf.com
Min
2.6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
413
901
848
–121
–114
–104
–101
–102
–110
±0.5
Typ
–31
–35
–40
–52
–56
–63
–30
—
—
0
RFM31B
453
888
929
Max
620
–54
0.1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
MHz
MHz
MHz
Units
dBm
dBm
dBm
dBm
dBm
dBm
dBm
ppm
kHz
dB
dB
dB
dB
dB
dB
dB
dB
6