TX2400-FPC3-2509 2.4GHz FPC Internal Antenna | 2.0 dBi Gain | IPEX-3 Connector

Compact 25mm ¡Á 9mm FPC Design with Enhanced 2.0 dBi Gain

The TX2400-FPC3-2509 achieves a compact 25mm ¡Á 9mm footprint with 0.15mm thickness and 1g weight, while delivering enhanced 2.0 dBi gain for improved range compared to lower-gain alternatives. The flexible polyimide substrate enables conformal mounting on curved surfaces and integration into compact enclosures. The 3M adhesive backing ensures secure attachment without screws, ideal for WiFi routers, wireless network cards, and IoT devices requiring reliable 2.4GHz performance.

IPEX-3 (MHF3) Connector for Modern Wireless Modules

Features the latest IPEX-3 (MHF3) connector standard with 100mm low-loss coaxial cable, providing improved mechanical reliability and higher mating cycle rating (50+ cycles) compared to IPEX-I. The IPEX-3 connector offers enhanced retention force and is compatible with modern WiFi 6/6E modules, Bluetooth 5.x transceivers, and next-generation IoT wireless platforms. The 50¦¸ coaxial cable maintains impedance matching and signal integrity across the 2.4GHz band.

Verified using professional RF test equipment at 2400-2500 MHz: VSWR measured consistently ¡Ü 2.0 across the entire 2.4GHz ISM band, ensuring acceptable impedance matching for WiFi and Bluetooth applications.

Peak gain of 2.0 dBi achieved with omnidirectional horizontal coverage, providing approximately 1.6x range improvement compared to 0 dBi reference antennas. Return loss (S11) better than -9.5 dB throughout the operational bandwidth, confirming adequate power transfer to 50¦¸ systems. Antenna efficiency exceeds 65% when properly mounted with recommended ground plane clearance.

(Complete VSWR / S11 / radiation pattern / efficiency measurements available upon request)

Q: What is the difference between IPEX-3 and IPEX-I connectors?

A: IPEX-3 (MHF3) is the latest generation micro RF connector offering improved mechanical reliability with 50+ mating cycles (vs. 30 for IPEX-I), enhanced retention force, and better high-frequency performance up to 6 GHz. IPEX-3 is backward compatible with IPEX-I receptacles in most cases, but IPEX-3 receptacles provide superior durability. This antenna's IPEX-3 connector is ideal for modern WiFi 6/6E modules and next-generation wireless platforms requiring frequent connection/disconnection during development or maintenance.

Q: How does 2.0 dBi gain compare to lower-gain antennas?

A: The 2.0 dBi gain provides approximately 1.6x range improvement compared to 0 dBi reference antennas and 1.15x improvement over 1.5 dBi antennas. In practical terms, this translates to 15-30% extended WiFi coverage radius or improved signal strength in challenging RF environments. The enhanced gain is particularly beneficial for WiFi routers, access points, and IoT gateways where maximizing coverage area is critical while maintaining compact antenna size.

Q: How do I install this FPC antenna for optimal performance?

A: Mount the antenna on or near a ground plane (minimum 40mm ¡Á 40mm recommended, larger is better) away from metal components, batteries, and LCD displays (10mm clearance). Clean the mounting surface with isopropyl alcohol, peel the 3M adhesive backing, and press firmly. Connect the IPEX-3 connector to your module's antenna port with gentle downward pressure until you hear/feel a click. The flexible substrate allows conformal mounting on curved surfaces with minimum 5mm bend radius. Verify performance using your module's signal strength indicators after installation.

Q: Is this antenna suitable for WiFi 6 and Bluetooth 5.x applications?

A: Yes, the TX2400-FPC3-2509 is fully compatible with WiFi 6 (802.11ax), WiFi 5 (802.11ac), and earlier WiFi standards operating in the 2.4GHz band. It also supports Bluetooth 5.0/5.1/5.2/5.3 and BLE applications. The VSWR ¡Ü2.0 specification ensures acceptable impedance matching across the 2.4GHz ISM band (2400-2500 MHz), supporting all channel allocations. The IPEX-3 connector is compatible with modern WiFi 6/6E modules from Intel, Qualcomm, MediaTek, and Broadcom, as well as Bluetooth 5.x transceivers from Nordic Semiconductor, Texas Instruments, and other manufacturers.