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COLIAO

3pcs HC-12 433Mhz SI4463 SI4438 Wireless Serial Port Module 1000M Replace Bluetooth with Antenna

3,350.813,899Save 14%

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About this item

  • HC-12 Power Supply Voltage: 3.2V~5.5V. (If the module is to be in the transmitting state for a long time, it is recommended to connect a 1N4007 diode in series when the power supply voltage exceeds 4.5V to avoid the built-in LDO heating of the module).
  • Default Communication Distance(open field test): about 600m (the communication distance can be adjusted up to 1000m, the air baud rate is 5000bps).
  • Default Idle Current: 16 mA (module operating current is different in different operating modes).
  • Operating Frequency Range(433.4-473.0MHz, up to 100 communication channels), maximum 100mW transmit power (settable).
  • Default Factory Setting: working mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).

Key details

Brand
COLIAO
Package weight
19 g

3pcs HC-12 433Mhz SI4463 SI4438 Wireless Serial Port Modu… — Now in India

amazon

3,899

Our Price

3,350.81

Save ₹548.1914% vs Amazon

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Visual tracking reduces uncertainty around international shipping.

Dispatch

2–4 days

Transit

8–14 days

Delivery

12–21 days

Typical US→India timelines. Customs or weather can add variance. We notify proactively.

US → India delivery

Tracking provided
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Dispatch

2–4 days

Transit

8–14 days

Delivery

12–21 days

Est. delivery: calculating…

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Typical US→India timelines. Customs or weather can add variance. We notify proactively.

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International delivery included.

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International orders supported.

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Available on select orders.

Direct sourcing: Lower final price.

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1 Year warranty: On international products.

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Tracking: End to end visibility.

GST invoices: Available.

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Common Questions

Is this product genuine and authentic?
Yes. All products on Poshace are 100% authentic, sourced directly from authorized US suppliers. Every order comes with a GST invoice as proof of authenticity.
How long does delivery take to India?
Estimated delivery is 12–21 business days from the date of dispatch. We ship via FedEx and DHL with end-to-end tracking provided on every order.
Are customs duties and taxes included in the price?
Yes, completely. The price you see is the price you pay — no hidden customs fees, no surprise charges at delivery.
What is the return policy?
We offer a 7-day free return policy. If you're not satisfied, return the product within 7 days of delivery for a full refund. The item must be unused and in original packaging.

What customers say

★★★★★

Bought on PoshAce to save vs Amazon. Tracking was clear the whole way.

Ria, Bengaluru

Verified Buyer

★★★★★

Saved ₹2,400 vs Amazon India on the same model. Legit product, sealed box.

Rohan, Chennai

Verified Buyer

★★★★★

First time buying internationally. Customs and duties were included. No surprises.

Ananya, Kolkata

Verified Buyer

★★★★★

Compared 3 sites. PoshAce was ₹1,800 cheaper. Shipped and tracked as promised.

Aditya, Lucknow

Verified Buyer

★★★★★

GST invoice was ready the same day. Perfect for business expense claims.

Nisha, Bhopal

Verified Buyer

★★★★★

I've ordered 4 times now. Consistent quality and pricing every single time.

Swati, Kochi

Verified Buyer

Quick Overview

  • HC-12 Power Supply Voltage: 3.2V~5.5V. (If the module is to be in the transmitting state for a long time, it is recommended to connect a 1N4007 diode in series when the power supply voltage exceeds 4.5V to avoid the built-in LDO heating of the module).
  • Default Communication Distance(open field test): about 600m (the communication distance can be adjusted up to 1000m, the air baud rate is 5000bps).
  • Default Idle Current: 16 mA (module operating current is different in different operating modes).
  • Operating Frequency Range(433.4-473.0MHz, up to 100 communication channels), maximum 100mW transmit power (settable).
  • Default Factory Setting: working mode FU3, baud rate 9600bps, communication channel CH001 (433.4M).

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