Ebyte E31-TTL-500 AX5043 UART 4km networking 433MHz DIP SMA UART Wireless module

[IC] : AX5043[Frequency] : 433MHz[Power] : 27dBm[Distance] : 4.0km[Interface] : UART[Introduction] : E31-TTL-500 is a wireless transceiver module based on AX5043 from AXSEM(can be transmitter and receiver).The module uses FEC (forward error correction) algorithm,which greatly improve the anti-interference ability. Free shipping Ebyte E31-TTL-500 AX5043 UART 4km networking 433MHz DIP SMA UART Wireless module Product Description [ Model ]: E31-TTL-500  [ Interface ]: UART [ Power ]: 27dBm   [ Distance ]: 4000m [ RF connector]: SMA-K [ Frequency ]: 433MHz (425-450.5MHz) [ Feature ]:  E31-TTL-500 is a wireless transceiver module based on AX5043 of AXSEM (two-way transmission available). The module adopts FEC (forward error correction) algorithm, which greatly improve the anti-interference ability. E31-TTL-500 can be compatible with other Ebyte E31 series modules. Electrical Parameter   No. Parameter item Parameter details & description 1 Size 24 * 43mm(without antenna and SMA) 2 Frequency Band 425 – 450.5MHz, default: 433.0MHz, channel:256, 100kHz stepped frequency,Recommending frequency: 433±5MHz, 3 Connector 1*7*2.54mm,plug-in 4 Supply voltage 2.8 – 5.5V DC (Note: the voltage higher than 5.5V is forbidden.) 5 Communication level UART, USART 6 Operation Range About 4000m(test condition:clear and open area& maximum power,antenna gain: 5dBi,height:> 2m,air data rate: 1.2Kbps) 7 Transmitting power Maximum 27dBm(500mW)| four optional level(0-3),step by 3dBm 8 Air data rate Default 1.2kbps, can be configured to 1.2,2.4,4.8,9.6,19.2,38.4,50,70Kbps 9 Standby current 1.7uA(mode 3,M1=1,M0=1) 10 Transmitting current 390mA at 27dBm 11 Receiving current 12.5mA(mode 0 or mode 1) | minimum 30uA(mode 2 + 2s wake-up time) 12 Communication interface UART,  8N1,8E1,8O1,  eight kinds of UART baud Rate, from 1200 to 115200 bps 13 Driving mode UART can be configured to push-pull/high pull, open-drain 14 Transmitting length 512 bytes buffer,43 bytes per package 15 Receiving length 512 bytes buffer,43 bytes per package 16 Address 65536 configurable addresses(easy for network, broadcast and fixed transmission) 17 RSSI support built-in intelligent processing 18 Sensitivity -126dbm at 1.2Kbps(sensitivity has nothing to do with serial baud rate and timing) 19 Antenna type SMA-K(External thread hole, 50 ohm impedance) 20 Operating temperature -40 ~ +85℃ 21 Operating temperature 10% ~ 90% 22 Storage temperature -40 ~ +125℃   Operation Mode   Mode(0-3) M1 M0 Mode introduction Remark Mode 0 Normal 0 0 Transparent transmission is on. The receiver must be in mode 0 or 1. Mode 1 Wake-up 0 1 Act as transmitter,can be used to wake up the module works in mode 2. The receiver can be in mode 0,1,2. Mode 2 Power-saving 1 0 Act as receiver, can be awakened by the module works in mode 1. Transmitting is not allowed. Mode 3 Sleep 1 1 Parameter setting