CWB1533S RF Antenna Equivalent & Substitute Parts

Part Overview

The CWB1533S is a 161MHz center frequency whip antenna manufactured by TE Connectivity Laird, designed for VHF applications in the 153MHz to 169MHz frequency band. This antenna features a straight whip configuration with NMO base mount termination and delivers 3dB gain at 200W maximum power handling. The product is currently classified as obsolete, making identification of compatible substitute components essential for system maintenance, repair, and continued operational support.

Substiute Parts

CWB1533S

TE Connectivity LairdIn Stock: 988CWB1533S Datasheet

Current PartRFQ

EM-MX5162-MP

Nearson Inc.In Stock: 899EM-MX5162-MP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CWB1533S is determined by the following critical parameters:

Primary Compatibility Criteria:

• Antenna Type: Whip, Straight configuration
• Termination: NMO connector interface
• Mounting Type: Base Mount
• Frequency Group: VHF band operation (f < 300MHz)
• Frequency Range Overlap: Operating frequency must encompass or substantially overlap the 153MHz – 169MHz band

Secondary Compatibility Factors:

• Power handling capability must meet or exceed application requirements
• VSWR performance must support system impedance matching specifications
• Gain characteristics must be compatible with link budget calculations

The EM-MX5162-MP qualifies as a substitute based on matching antenna type (whip, straight), identical termination (NMO), identical mounting type (base mount), and overlapping VHF frequency operation. The EM-MX5162-MP operates at 168MHz center frequency with a 162MHz – 174MHz range, which encompasses the critical 161MHz operating point of the CWB1533S.

Parameter Comparison

Engineering Selection Recommendations

CWB1533S Status Consideration: The CWB1533S is classified as obsolete. Continued procurement of this component is not feasible through standard distribution channels. Systems currently utilizing this antenna require alternative component identification for maintenance and replacement operations.

EM-MX5162-MP as Active Substitute: The EM-MX5162-MP is an active product manufactured by Nearson Inc. and carries RoHS Compliant certification, meeting current environmental and regulatory compliance requirements. The substitute maintains mechanical and electrical interface compatibility through identical NMO termination and base mount configuration.

Frequency Band Compatibility: The EM-MX5162-MP frequency range (162MHz – 174MHz) encompasses the CWB1533S center frequency of 161MHz within its operational bandwidth. The 7MHz frequency offset between center frequencies (161MHz vs. 168MHz) results in minor gain differential (3dB vs. 2dBi) and requires system-level link budget reassessment.

Power Handling Differential: The EM-MX5162-MP maximum power rating of 100W is lower than the CWB1533S specification of 200W. Applications requiring continuous operation above 100W power levels must evaluate alternative substitutes or implement power derating protocols.

Regulatory and Compliance Status: The EM-MX5162-MP RoHS Compliant status aligns with current environmental regulations. The CWB1533S compliance status is not specified in available documentation.

Frequently Asked Questions (FAQ)

Q: Can the EM-MX5162-MP directly replace the CWB1533S in existing installations?

A: Mechanical and electrical interface compatibility is confirmed through matching NMO termination and base mount configuration. Frequency band overlap supports operational compatibility at the 161MHz center frequency. However, the 100W maximum power rating of the EM-MX5162-MP must be evaluated against application power requirements. Systems operating above 100W require alternative component selection or power level adjustment.

Q: What is the frequency band overlap between these two antennas?

A: The CWB1533S operates across 153MHz – 169MHz. The EM-MX5162-MP operates across 162MHz – 174MHz. The overlap region spans 162MHz – 169MHz, encompassing the CWB1533S center frequency of 161MHz. The 161MHz operating point falls within the EM-MX5162-MP bandwidth, supporting functional substitution.

Q: How does the gain difference affect system performance?

A: The CWB1533S provides 3dB gain while the EM-MX5162-MP provides 2dBi gain. This 1dB differential represents a measurable change in antenna efficiency. System link budgets must be recalculated to account for this gain reduction when implementing the substitute component.

Q: Are there packaging or inventory considerations for the EM-MX5162-MP?

A: The EM-MX5162-MP is supplied in bulk packaging, whereas the CWB1533S packaging specification is not provided. Procurement quantities and packaging format should be confirmed with the supplier prior to order placement.

Q: What compliance certifications apply to the EM-MX5162-MP?

A: The EM-MX5162-MP carries RoHS Compliant certification and is classified under ECCN EAR99 with HTSUS code 8517.71.0000. The CWB1533S is classified under ECCN 5A991G with HTSUS code 8529.10.9100. Regulatory and export control requirements may differ between these components.

Q: Is the EM-MX5162-MP suitable for applications requiring 200W continuous power?

A: No. The EM-MX5162-MP maximum power rating is 100W. Applications requiring 200W operation must identify alternative substitute components with higher power handling specifications or implement system-level power derating.