FL CoaxBridge

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FL CoaxBridge - Fast Track to Design Flexibility -

Three plans support SMA board design and facilitate the development of IoT products.

FL CoaxBridge Benefits ・Three plans suitable for wireless communication antenna modules ・Space reduction and low cost ・Support for designing board layouts that meet your needs

IoT products, which connect and exchange data with a network of various things, require wireless communication. For this communication, it is common to adopt an antenna module and connection method that meets the wireless communication standard LPWA (Low Power Wide Area). The "FL CoaxBridge" uses Hirose’s SMA antenna connector and can meet the LPWA standard while reducing space and cost. Additionally, you can choose from three connection plans to meet your board design needs.

Reduces design time, Increases design freedom, Low loss

FL CoaxBridge™ Digital Catalog

>View this E-book in full screen

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Features of HIROSE’s SMA-U.FL Connection

Space-Saving

U.FL occupies 7.7mm² on the board. Although U.FL is very small, it has a clear locking feel that reliably confirms mating. Receptacles can be automatically mounted with embossed taping packaging. The cable has an outer diameter of MAX φ1.37mm and can be wired in a small space.

Low Cost

Excluding the outer shell, and the harness process are standardized.

High Frequency Characteristics

Reflection of cable connection is minimized to achieve high frequency performance of 8GHz.

You can choose from 3 plans according to the board design.

Plan A (Adjustable Cable Assembly Length)

Plan B (Cable Assembly that Reduces Labor Time)

Plan C (For Strengthened Ground Connection with the Board)

Plan Comparison

	Plan A (Adjustable Cable Assembly Length)	Plan B (Cable Assembly that Reduces Labor Time)	Plan C (For Strengthened Ground Connection with the Board)
Board Design	Excellent Easier board design
Support for Design Changes and Reproduction	Excellent Minimal number of parts to change (Can adjust the U.FL harness length without changing the body)	Good Supported by using different length cable assemblies	Poor U.FL plug Both ends harness product can be changed in length, rework required
Wire Routing Flexibility	Excellent There are no restrictions on the mounting position of the housing and the position of the board inside the housing.		Poor Board position in the housing is limited
Others	-	-	Excellent Ground connection is possible directly below the panel.

Plan A (Adjustable Cable Assembly Length)

You can adjust the length of the double-ended U.FL Plug assembly by yourself. This type allows signals to flow to various parts on the board and increases design freedom.

■ SMA-U.FL Conversion Adapter

BNC to D.FL conversion adapters are also available for 75Ω applications. Please refer to the Digital Catalog for details.

Images	Type	Part No.	HRS No.	2D	3D	s2p
	Nut stop type (die-cast)	HRMJ-U.FLJ-BPA-4	CL0311-0463-7-00	PDF	IGES, STEP	-

Plan B (Cable Assembly that Reduces Labor Time)

Since the U.FL plug is already harnessed to SMA, assembly is completed in the following 2 steps: 1. Secure the SMA to the case with a nut, 2.Mate U.FL. This type reduces man-hours.

■ SMA Connector (Sold separately)

Connector	Part No.	HRS No.	2D	3D	s2p
Screw Type (4 holes, Machining)	HRM-200-088PJ4BN(40)	CL0323-0803-3-40	PDF	IGES, STEP	-
Screw Type (2 holes, Machining)	HRM-200-088PJ2BN(40)	CL0323-0802-0-40	PDF	IGES, STEP	-
Bulkhead Type (Machining)	HRM-200-088BPJBN(40)	CL0323-0804-6-40	PDF	IGES, STEP	-
Waterproof Bulkhead Type (Machining)	HRM-200-088WBPJBN	CL0323-0920-7-00	PDF	IGES, STEP	-