www.atac.com.tw 
https://www.atac.com.tw/2501/modbus-rtu-serial-lora/ 
sales@atac.com.tw

Specifications:

Serial Passthrough over LoRa
LoRaWAN NOT supported
Unable to communicate with third party LoRa device

CPU : 32 bits MCU ,40 MHz , 16KB SRAM, 128KB Flash ROM

LoRa : Semtech SX1272
Frequency :  ISM band 862 ~ 936MHz
Receiver Sensitivity : -137 dBm
Transmit Output Power : 20 dBm
Sleep Current : 3uA (at power down state)
TX current < 140 mA@20 dbm , RX current < 10 mA
Security processor ( 128/192/256 bits AES )
Packet engine up to 256 bytes with CRC
Antenna : SMA Type , 2 dBi , changeable
Distance : Up To 5000 Meters in free space
Data Rate : 0.244 ~ 18.2 kbits/sec. (LoRa) / 300 kbps (FSK)
Application mode : Star

Serial Port
Number of Port : 1 x RS-232/422/485 ( Auto Detect )
RS-232 : Rx , Tx , GND ( DB9 Male )
RS-422 : Tx+ , Tx-, Rx+ , Rx- (Surge Protect )
RS-485 : Data+ , Data- (Surge Protect)
Built-in RS-422/RS-485 Terminal Resistor
Speed : 9600 bps〜115.2K bps
Parity : None , Odd , Even
Data Bit : 7, 8 / Stop Bit : 1 , 2

Setup Tool : Windows Utility
Power : DC 9 ~ 24V / 150ma @ 9V , 60ma @ 24V
Led Lamp : SYS (green) , Rx(red) , Tx(green)
Operating Temperature: -10 °C ~ 70 °C
Storage Temperature : -20 °C ~ 80 °C
Dimensions : 100 x 90 x 25 mm ( W x D x H )
Weight : 150 g ( not include power )

www.atac.com.tw 
https://www.atac.com.tw/2501/modbus-rtu-serial-lora/ 
sales@atac.com.tw