Wi-Fi Module Developer's Guide

Chapter 4: Mechanical Specifications
May 31, 2008 Module Hardware Description 49
RF Connector Specifications
The W24 uses a standard MMCX receptacle connector for the radio interface. The connector is
manufactured by Amphenol, PN MMCX6251S5.
Figure 4-3 shows the MMCX connector dimensions.
Figure 4-3: MMCX Connector Dimensions
Table 4-3 describes the W24 RF connector characteristics.
Mating Connector
The RF mating connector should be a standard MMCX plug connector or cable assembly, which
corresponds to the W24 MMCX connector specifications.
Any standard MMCX connector or application from different manufacturers may be mated with
W24.
Table 4-3: RF Connector Specifications
Parameter Specifications
Impedance 50 Ω
Rated Voltage 335 V
RMS
Contact Resistance 5 mΩ center contact
2.5 mΩ outer contact
Insulation
Resistance
1000 MΩ
Insertion Force 3.4 lbs maximum
Withdrawal Force 4.5 lbs maximum
Contact Retention
Force
4 lbs maximum
Durability 500 mated cycles minimum