Wireless Transceiver UART Output Module, SI4438

Description

Features

• Long-distance wireless transmission (opening 1200 m/FU4 mode, air baud rate 1000bps)
• Operating frequency range (433-458.5MHz, up to 255 communication channels)
• Maximum 100mW (20dBm) transmit power (8-speed power can be set)
• Four working modes, suitable for different applications
• Built-in MCU, communicate through serial port and external device
• The number of bytes sent at one time is up to 256 bytes.
• Module supports one-to-one, one-to-many, many-to-many connection transparent transmission

Specifications

• Model GT-38
• Module size 26.7×12.9×6mm
• Chip Solution SI4438
• Working frequency band 433~458.5MHz
• Communication Interface UART 3.3V/5V TTL Level
• Antenna interface spring antenna / antenna socket
• Working voltage 3.2~5.5V
• Sleep current no sleep mode
• Communication level 3.3V/5V level
• Working humidity 10%~90%
• Transmit power 20dBm (MAX)
• Working temperature -25°C~+75°C
• Reference distance 1200m
• Storage temperature -40°C~+85°C

Documentation please see on this page.