LoRa Specification
No. Item
Description
1
Channels
US915 (known as US902-928)
2 Chipset
SX1250
(x2)
3 Bandwidth
125KHz/
500KHz
4
Power
5VDC, 500mA (typical)
5
Antenna
1 ipex connector on board for external antenna
6
Interface
SPI for data communication
7
GPIOs
To control SX1262 (chip select)
8 Form
Factor
- Mini-PCIe
-
40 x 50 (w/golden pins) x 3 mm
9 Channel
Plan
-US915
- Uplink
Frequency (MHZ)
Spreading Factor
903.9
SF7BW125 to SF10BW125
904.1
SF7BW125 to SF10BW125
904.3
SF7BW125 to SF10BW125
904.5
SF7BW125 to SF10BW125
904.7
SF7BW125 to SF10BW125
904.9
SF7BW125 to SF10BW125
905.1
SF7BW125 to SF10BW125
905.3
SF7BW125 to SF10BW125
904.6
SF8BW500
- Downlink
Frequency (MHZ)
Spreading Factor
923.3
SF7BW500 to SF12BW500 (RX1)
923.9
SF7BW500 to SF12BW500 (RX1)
924.5
SF7BW500 to SF12BW500 (RX1)
925.1
SF7BW500 to SF12BW500 (RX1)
925.7
SF7BW500 to SF12BW500 (RX1)
926.3
SF7BW500 to SF12BW500 (RX1)
926.9
SF7BW500 to SF12BW500 (RX1)
927.5
SF7BW500 to SF12BW500 (RX1)
923.3
SF12BW500
(RX2)
Note
Software Specification
3.1 Configuration/Performance/Capability
Req.
#
Features
Description
comment
PR-
0001
Network
Configuration
WiFi or Ethernet switch Configuration
PR-
0002
BLE Name
MerryIoT Hotspot V1_
xxxxxx where the last hex are
the last 6 uppercase hex of the MAC address.