It provides wireless connection for point-to-point star network, supports transparent transmission and API transmission. WS239 has a rich AT command set, which can help users achieve flexible configuration and quickly meet user application requirements.
Modulation method: 2-FSK, GFSK
Working frequency: 433MHz/475MHz/868MHz
Line-of-sight communication distance: 1000m
Air rate: 2.4/4.8/9.6/10/25/50/100/200/250 kbps
Number of communication channels: 196
Maximum transmit power: 14dBm
Receiving sensitivity: -110dBm @10kbps
Working voltage: 2.0V~3.8V
Current characteristics:
Transmitting current: <22mA @14dBm
Receiving current: <10mA
Sleep current: <1μA
Interface: UART, SPI
Working temperature: -40ᵒC~+85ᵒC
Working humidity: 10%~90% RH, no condensation
Dimensions: 12.0mm × 12.0mm ×2.5mm
Weight: 2.5g
