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Location: ShenZhen
Ships to: US,
Item: 135119139615
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
Unbranded:Unbranded
Introduction: GT-38 wireless serial communication module is a new generation of multi-channel embedded wireless data transmission module. The wireless working frequency band is 433-458.5MHz, multiple channels can be set, the step is 100KHz, and there are 255 channels in total. The maximum transmit power of the module is 100mW (20dBm), the receiving sensitivity is -116dBm at 5000bps air baud rate, and the communication distance can be up to 1200 meters in the open field. The module contains an MCU, users do not need to program the module separately, and various transparent transmission modes only need to send and receive serial data, which is convenient to use. The module adopts a variety of serial port transparent transmission modes, users can use AT commands to choose according to the requirements of use. The four modes FU1, FU2, FU3, FU4 in idle state, the average operating current is 3.6mA, 80μA, 16mA and 16mA, the maximum operating current is 100mA (at full power emission state) Features: 1. Long-distance wireless transmission (open field 1200m / FU4 mode, air baud rate 1000bps) 2. Operating frequency range (433-458.5MHz, up to 255 communication channels) 3. Maximum 100mW (20dBm) transmit power (8 levels of power can be set) 4. Four working modes to adapt to different applications 5. Built-in MCU, communicate with external devices through serial port 6. The number of bytes sent at one time is up to 256 bytes 7. The module supports one-to-one, one-to-many, many-to-many connection transparent transmission Parameter: Chip: 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 ℃ ~ + 75 ℃ Reference distance: 1200m Storage temperature: -40 ℃ ~ + 85 ℃
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