Working Frequency: 433.4 -473MHz;
Working Voltage: 3.2 - 5.5VC ommunication
Interface: UART 3.3V -5V TTL levelWorking
Humidity: 10%-90%;
Working Temperature: -25~+75??Antenna
Interface: Spring Antenna / Antenna
Socket;
Transmit Power: Max.
20dBmPackage Content: 1 x Wireless Serial Port Module