E28-2G4T12S SX1280 BLE 2.4GHz Wireless Transceiver 2.4G 3000m UART LoRa Radio Module

Specification: 
RF Parameter: Value/Remark. 
Working frequency: 2400~2500MHz, Support ISM band. 
Transmitting power: 12.5dBm. 
Receiving sensitivity: -132dBm. 
Air data rate is 1.0kbps. 
Modulation: LoRa/FLRC/GFSK. 
Test distance: 3000m. 
In open and clear air, 5dBi antenna gain, height of 2.5m,air data rate: 1kbps. 

Hardware Parameter: Value/Remark. 
Size: 17.5* 28.7mm. 
Antenna type: IPEX/PCB. 
50 Impedance. 
Interface: UART/TTL. 
Package: SMD. 

Electronic parameter: Min./Typ./Max.. 
Power supply: 2.3/5.0/5.5V. 
5.0V ensures output power. 
Communication level: 3.3V. 
For 5V TTL, it may be at risk of burning down. 
Transmitting current: 46mA. 
Instant power consumption. 
Receiving current:  20mA