Specification:

Working frequency: 410~441 MHz - Default: 433MHz
Transmitting power: 10~20 dBm - Default: 20dBm（About 100mW)
Receiving sensitivity: -146 dBm - Air data rate: 0.3kbps
Air data rate: 0.3k~19.2kbps - Default: 2.4kbps
Test distance: 3000 meters  - In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 2.4kbps
Size: 21 * 36 mm - Without SMA
Antenna type: SMA-K
Communication interface: UART
Baud rate: 1200~115200 - Default: 9600
Package: DIP
Buffer: 512 bytes buffer - Automatically sub-packaging with 58 bytes per package

Electronic parameters

Power Supply: Min: 2.3V - Typ: 3.3V - Max: 5.5V
Communication Level: Min: 3.0V - Typ: 3.3V - Max: 3.6V
Transmitting Current:       Min: 102mA - Typ: 110mA    - Max: 118mA - Condition: 20dBm（100mW）
                                              Min: 90mA - Typ: 93mA    - Max: 96mA - Condition: 10dBm（50mW）
Receiving Current:             Min: 12mA - Typ: 15mA    - Max: 18mA
Sleep Current:                    Min: 3μA - Typ: 5μA    - Max: 8μA
Operating Temperature:   Min: -40℃ - Typ: 20℃    - Max: +85℃
Operating Humidity:           Min: 10% - Typ: 60%    - Max: 90%
Storage Temperature:       Min: -40℃ - Typ: 20℃    - Max: +125℃