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KNACRO 3.2~5.5V 433Mhz HC-12 SI4463 wireless microcontroller serial module Long-distance transmission 1000M Alternative


Price: $10.60
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  • Supply voltage 3.2V ~ 5.5V. (If the module you want to work at transmission time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode to avoid heating module built LDO).
  • with a 1N4007 diode to avoid heating module built LDO). The default communication distance (open field test): about 600m (the maximum communication distance adjustable reached 1000m, the air baud rate 5000bps).
  • The default idle current: 16MA (modules in different operating modes of different operating current).
  • Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set). The default factory settings: Operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).
$8.60 Free Shipping for Prime Members
FREE Shipping on orders over $25—or get FREE Two-Day Shipping with Amazon Prime
Only 20 left in stock - order soon. Sold by KNACRO and Fulfilled by Amazon. Gift-wrap available.

Frequently bought together

  • KNACRO 3.2~5.5V 433Mhz HC-12 SI4463 wireless microcontroller serial module Long-distance transmission 1000M Alternative
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  • Arduino Uno R3 Microcontroller A000066
Total price: $36.55
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Product description

Supply voltage 3.2V ~ 5.5V. (If the module you want to work at transmission time, it is recommended when the supply voltage exceeds 4.5V series with a 1N4007 diode to avoid heating module built LDO).
The default communication distance (open field test): about 600m (the maximum communication distance adjustable reached 1000m, the air baud rate 5000bps).
The default idle current: 16MA (modules in different operating modes of different operating current).
Operating frequency range (433.4-473.0MHz, up to 100 communication channels) Maximum 100mW transmit power (can be set).
The default factory settings: Operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).
Supply voltage: 3.2V ~ 5.5V.
The default communication distance (open field test): about 600m (the maximum communication distance adjustable reached 1000m, the air baud rate 5000bps).
The default idle current: 16mA.
Operating frequency range: 433.4-473.0MHz, up to 100 communication channels.
Transmit power (can be set): Max 100mW.
The default factory settings: Operating mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).
Module size: 27.4 * 14.4 * 4mm (L * W * H).
Weight: 1.8g.
Pin Description:
VCC: 3.2V ~ 5V.
GND: Ground.
RXD: TTL level input.
TXD: TTL-level output.
SET: Parameter settings control pin, active low.
ANT1: PCB Antenna.
ANT2: Antenna welding holes.


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