SKU: IOWC-0722
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RP-SMA Male to IPEX4 Connector Cable 15cm RG0.81

₹107.00 (Inclusive of all taxes)
Out of Stock

This 15cm RP-SMA male to IPEX4 connector cable with RG0.81 coaxial line provides a low-loss, 50-ohm impedance-matched link for connecting external antennas to Wi-Fi, Bluetooth, cellular, and LoRa modules equipped with an IPEX4 socket.

Features

  • RP-SMA Male to IPEX4 Interface: Enables connection between standard RP-SMA antenna ports and miniature IPEX4 sockets found on embedded wireless modules.
  • 15cm RG0.81 Coaxial Cable: Offers a short, flexible run with low signal attenuation for optimal RF performance in compact device enclosures.
  • Universal RF Compatibility: Supports 2G/3G/4G/5G cellular, Wi-Fi, Bluetooth, GNSS, and LoRa frequency bands for versatile IoT deployments.
  • 11mm Connector Length: Provides a secure, strain-relieved connection to prevent cable pull-out from sensitive module connectors.

Out of stock

Description

This RF pigtail cable serves as a critical interface between an external antenna with an RP-SMA connector and the internal IPEX4 port of a wireless communication module. The RG0.81 coaxial cable is engineered for 50-ohm impedance, minimizing signal reflection and loss across a broad frequency spectrum, which is essential for maintaining link budget and data integrity in IoT systems.

The reverse-polarity SMA (RP-SMA) male connector is the standard interface for many consumer and industrial antennas, while the IPEX4 (a variant of U.FL) is the prevalent miniature coaxial connector on compact Wi-Fi, Bluetooth, cellular (4G LTE, NB-IoT), and LoRa radio modules. This cable facilitates optimal antenna placement outside an enclosure to overcome signal shielding, directly impacting the range and reliability of wireless sensor networks, gateways, and tracking devices.

Key Features

  • Provides a reliable, impedance-matched RF path between external antenna and module.
  • Miniature IPEX4 connector mates with sockets on ESP32, Quectel, SIMCom, and LoRa module boards.
  • RP-SMA male connector interfaces with a wide range of commercially available antennas.
  • Short 15cm length reduces cable loss and simplifies routing inside compact electronics.
  • Flexible RG0.81 cable jacket allows for easy installation in tight spaces.
  • Essential for boosting signal strength in shielded metal enclosures or for remote antenna mounting.

Applications

  • Connecting external high-gain antennas to Wi-Fi/Bluetooth development boards (ESP32, ESP8266).
  • Extending cellular antenna placement for 4G LTE or NB-IoT modems in industrial enclosures.
  • Routing GPS/GNSS antenna signals to tracking modules for improved satellite reception.
  • Providing antenna connectivity for LoRaWAN gateway and node builds with IPEX4 sockets.
  • General-purpose RF interconnection in wireless sensor networks and IoT prototypes.

Technical Specifications

Cable TypeRG0.81 Coaxial
Cable Length15 cm
Connector 1RP-SMA Male
Connector 2IPEX4 (U.FL variant)
Connector Length11 mm
Impedance50 Ω (Typical for RF)
Compatible ProtocolsWi-Fi, Bluetooth, 4G/5G Cellular, GNSS, LoRa
Item Weight4 g

Frequently Asked Questions

What modules is this RP-SMA to IPEX4 cable compatible with?

This cable is compatible with any wireless module featuring a female IPEX4 (or U.FL) socket. This includes common Wi-Fi/Bluetooth SoCs like the ESP32 and ESP8266, cellular modules from Quectel and SIMCom (e.g., SIM7600, BC66), many LoRa transceivers (SX1276, SX1262), and GNSS receivers. The RP-SMA male end connects to a vast array of external antennas with RP-SMA female connectors.

What is the difference between SMA and RP-SMA connectors?

SMA and RP-SMA connectors have reversed gender configurations. A standard SMA male has a center pin, while an RP-SMA male has a center sleeve. This cable uses an RP-SMA male connector, which is designed to mate with an RP-SMA female jack, commonly found on consumer Wi-Fi routers and many IoT antennas. Using the wrong type will prevent a physical connection.

How do I properly install and secure this pigtail cable to my module?

First, ensure the IPEX4 connector is aligned correctly with the module's socket—do not force it. Gently press down until you feel or hear a faint click, indicating it is seated. For strain relief, secure the cable near the connector using adhesive or a clip. Avoid bending the cable sharply right at the connector, as this can damage the delicate IPEX4 pins. Route the cable smoothly to the enclosure's RP-SMA bulkhead connector.

Package Includes

  • 1 x 15CM RP-SMA male to IPEX4 Connector Cable

Additional Information

Weight 0.004 kg