Network Card User's Manual



Page 48 silex Designing with the SX-550

Part Number 40183-101

Antenna Connectors

The SX-550 WLAN Module has two SMT Ultra-miniature coaxial connectors (U.FL). Table 32 describes

the connector types.

For single antenna use, connect to the main antenna connector, as shown in Figure 22 .

For diversity antenna use, connect to both the main and auxiliary connectors.

Figure 22 Main and Auxiliary Antenna Connectors

Table 32 Antenna Connector Types

Parameter Description

Connector Type SMT Ultra-miniature Coaxial Connector

(U.FL)

Connector Size Maximum height of 2.4 to 2.5 mm

Nominal Characteristic Impedance 50 Ohm

Rated Voltage 60 V AC (rms)

Rated Frequency DC to 6 GHz

Contact Resistance Center: 20 mOhm maximum

Outside: 10 mOhm maximum

Insulation Resistance 500 MOhm @ 100 VDC minimum

Antenna Cable Plug iPEX 90 degrees plug with right angle

receptacle and cable diameter at 1.32

For the antenna connector, the SX-550 module uses a Hirose U.FL-R-SMT (CL331-0471-0-01) ultra

miniature coaxial receptacle.

Mating plugs are:

Hirose part number: U.FL-LP-066