30dBm. LoRa DTU - 862~930MHz 8KM. RS232/RS485

[Interface type]： RS232/RS485 [Operating frequency]： 862~930MHz [Transmitting power]：   1W [Communication distance]：   8km [Product size]： 82*62*25mm USER MANUAL serial number project Specification illustrate 1 Product size 82*62*25mm For details, see 3.2. Installation dimensions 2 Product weight 131g Weight tolerance 4.5 g 3 working temperature -40℃～85℃ Meet industrial grade use requirements 4 Antenna impedance 50 Ω Standard 50 Ω characteristic impedance 5 voltage range +8~ +28V DC It is recommended to use 12V or 24V 6 Communication interface RS232/RS485 Standard DB9 female/3.81 terminal block 7 baud rate Factory default 9600 Baud rate range 1200~115200 8 Address code Factory default 0 A total of 65536 address codes can be set 9 Working frequency 862 ~ 930MHZ 868MHz 10 Communication distance 8 km Sunny weather, open environment without obstruction, 12V2A power supply, 5dBi gain suction cup antenna, the antenna is 2 meters above the ground, and the factory default parameters are used. 11 Air speed 2.4 bps Air speed level (bps) 2.4, 4.8, 9.6, 19.2