MT7681 3dBi High-Gain WiFi Antenna for ESP8266 and Raspberry Pi Zero W – 2.4GHz Wireless Signal Booster with IPX to SMA-KY Connector

Parameter	Detailed Specification
Model Number	MT7681 3DBI
Frequency Range	2.4 GHz (Standard WiFi Band)
Gain	3 dBi
VSWR	≤ 1.5
Connector Type	IPX Female to SMA-KY
Cable Length	Approx. 14 cm
Operating Temperature	-40°C to +85°C
Radome Material	Polyurethane (Flexible)

Price

₹ 72.03

(Tax included)

Product Description

Significantly enhance your project's wireless range with the MT7681 3dBi High-Gain WiFi Antenna. Specifically designed for ESP8266-based modules and IoT development boards, this external antenna provides a stable and powerful signal boost, far exceeding the performance of standard on-board PCB antennas. It is an essential component for the popular Raspberry Pi Zero W antenna modification, allowing for high-performance connectivity in challenging environments. At Robogears, we recommend this antenna for its flexible polyurethane construction and high-quality IPX extension cable. Whether you are building a smart home gateway in Pimpri or an industrial sensor network, this antenna ensures reliable, long-distance communication with minimal interference.

Detailed Key Features

Extended Range Performance: The 3dBi gain provides a significant boost to wireless signal strength, making it ideal for IoT applications that require communication through walls or over longer distances.
Specialized Connector Kit: Includes a flexible IPX female to SMA-KY extension cable, enabling easy connection to u.FL/IPX-based wireless devices like the ESP-07 or Raspberry Pi Zero W.
Stable 2.4GHz Signal: Optimized for the 2.4GHz band to ensure low VSWR (Voltage Standing Wave Ratio) and consistent data throughput for 802.11 b/g/n standards.
Flexible and Durable Radome: The polyurethane material allows the antenna to be adjusted for optimal signal reception while remaining resistant to daily wear and tear.
Universal Compatibility: Designed for seamless integration with any wireless module featuring a u.FL/IPX connector, including various NodeMCU and ESP32 series boards.

All Technical Details

Frequency Performance: Pre-calibrated for the 2.4 GHz WiFi spectrum to minimize signal attenuation.
Efficiency: VSWR rated at less than 1.5, ensuring maximum power is radiated rather than reflected back to the transmitter.
Interface: Standardized IPX/u.FL connector for a secure, low-loss electrical bond.
Indoor Application: Specifically tuned for indoor environments to provide the best possible multi-path signal reception.
Data Support: Supports high-speed wireless data rates up to 72.2 Mbps (depending on the connected module).

Prototyping & Engineering Tips (Robogears Exclusive)

Raspberry Pi Zero W Mod: This antenna set is the industry standard for modifying the Raspberry Pi Zero W to accept an external antenna. Note that this mod typically requires removing a zero-ohm resistor and soldering a tiny IPX socket or the cable directly to the board.
Orientation Matters: For the best signal coverage at your Pimpri workshop, orient the antenna vertically (pointing up or down). Wireless signals radiate in a doughnut-like shape around the antenna's axis.
u.FL Handling: The tiny IPX/u.The FL connector on the cable is rated for a limited number of "mating cycles." Avoid disconnecting and reconnecting it repeatedly to prevent the socket from loosening.
Placement Protocol: To maximize range, place the antenna away from large metal objects or high-voltage power cables, which can cause significant signal interference and "dark spots" in your WiFi coverage.

Package Includes

1 x MT7681 3dBi High-Gain WiFi Antenna
1 x IPX Female to SMA-KY Flexible Extension Cable

Image Disclaimer

Product images are shown for illustrative purposes only. The actual length of the flexible cable or the color of the connector may vary slightly due to manufacturer updates, though all technical specifications and the 3dBi gain rating remain as described.

Follow us