User's Manual

S76S
LoRa Wireless Communication Module
H
901-10201
Mar 22th ,2017
5 of 18
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2-4. RF Characteristics
The table below gives the electrical specifications for the transceiver operating with LoRa
TM
modulation.
Following conditions apply unless otherwise specified:
 Supply voltage = 3.3 V.
 Temperature = 25° C.
 Frequency bands: 915 MHz
 Bandwidth (BW) = 125 kHz.
 Spreading Factor (SF) = 12.
 Error Correction Code (EC) = 4/6.
 Packet Error Rate (PER)= 1%
 CRC on payload enabled.
 Output power = 13 dBm in transmission.
 Payload length = 64 bytes.
 Preamble Length = 12 symbols (programmed register PreambleLength=8)
 With matched impedances
LoRa Transmitter (Conductive)
Item
Condition
Min.
Typ.
Max.
Unit
Frequency Range
Band1
915
MHz
Tx Power Level
PA_BOOST pin
18.0
19.5
21.0
dBm
LoRa Receiver (Conductive)
Item
Condition
Min.
Typ.
Max.
Unit
Frequency Range
Band1
863
915
928
MHz
RFS_L62_HF
(Long-Range Mode, highest
LNA gain, LNA boost, 62.5
kHz bandwidth)
SF = 6
-119
dBm
SF = 7
-114
dBm
SF = 8
-127
dBm
SF = 12
-137
dBm
RFS_L500_HF
(Long-Range Mode, highest
LNA gain, LNA boost, 500
kHz bandwidth)
SF = 6
-109
dBm
SF = 7
-114
dBm
SF = 8
-117
dBm
SF = 9
-120
dBm
SF = 10
-123
dBm
SF = 11
-126
dBm
SF = 12
-128
dBm