Ebyte E50-TTL-500 170MHz SI4463 5km UART DIP Wireless RF Transceiver for tunnel

[ Model ]: E50-TTL-500 [ Interface ]: UART [ Power ]: 27dBm   [ Distance ]: 5000m [ RF connector]: SMA-K [ Frequency ]: 170MHz (148 ~ 173.5MHz) [ Feature ]: E50-TTL-500 is a 27dBm wireless transceiver module. It operates at 148-173.5MHz and provides an easy way to use. Due to the low frequency, the module features strong penetration and diffraction ability. It is highly recommended for the complicated situations with obstacles.Electrical Parameter  1 Size 21 * 36mm(without antenna) 2 Frequency  Band 148-173.5MHz 3 Connector 1 * 7 * 2.54mm,Plug-in 4 Supply voltage 2.3 – 5.5V DC 5 Communication level MAX 5.2V 6 Operation Range About 5000m(test condition:clear and open area& maximum power,antenna gain: 5dBi,height:> 2m,air date rate: 1Kbps) 7 Transmitting power Maximum27dBm(500mW)| four optional level(0-3),step by 3dBm 8 Air data rate Default 1kbps,can be configured to 1,2,5,8,10,15,20,25Kbps 9 Sleep current 2.0uA(M1 =1,M0 = 1) 10 Transmitting current 390mA@27dBm 11 Receiving current 16.5mA(mode 0 or mode 1)    12 Communication interface UART, 8N1,8E1,8O1,  eight kinds of UART baud Rate, from 1200 to 115200 bps 13 Drive mode   UART can be configured to push-pull/high pull, open-drain UART 14 Transmitting lengthv 512 bytes buffer,58 bytes per package 15 Receiving length 512bytes buffer,58 bytes per package 16 Address 65536 configurable addresses(easy for network, broadcast and fixed transmission) 17 RSSI support Built-in intelligent processing 18 Antenna type SMA-K 19 Operating temperature -40 ~ +85℃ 20 Operating humidity 10% ~ 90% relative humidity, without condensation 21 Storage temperature -40 ~ +125℃ 22 Sensitivity -121dBm@1kbps