GT-38 Wireless Mcu Serial Port Module Si4438/4463 433M
GT-38 Wireless serial communication module is a new generation multi-channel embedded wireless data transmission module. The wireless operating frequency band is 433-458.5 MHz with multiple adjustable channels. Step rate is 100KHz with 255 channels. The maximum passing power of the module is 100mW (20dBm), the receiver sensitivity is 116dBm at 5000bps air baud rate, and the open distance of the communication range is about 1200m.
Specifications:
- Long-distance wireless transmission (1200 m / 1200 bps in FU4 mode)
- Operating frequency range: 433-458MHz, up to 255 communication channels)
- Maximum 100mW ( 20dBm) power and can adjust 8 power.
- Four working modes to adapt to different applications
- Communicate via internal MCU, serial port and external device
- At once the number of bytes sent is up to 256 bytes.
- This mode supports one-to-one, one-to-many, multi-person connection
Characteristic Parameters :
- Model: GT-38
- Chip: SI4438
- Communication interface: UART 3.3V to 5V TTL level
- Operating voltage: 3.2V - 5.5V
- Maximum transmit power: 20dBm
- Reference distance: 1200 meters
- Operating frequency band: 433-458.5MHz
- Antenna interface: spring antenna / antenna socket
- Sleep current: no sleep mode
- Module size: 26.7x12.9x6mm
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