RF Protective Caps and Adapters

Protective caps safeguard unused ports from moisture, dust, and dirt—helping to maintain connector integrity and extend service life in harsh environments. GCT’s RF caps are available for SMA, TNC, BNC, and N-type interfaces, with IP67-rated sealing and material options in brass or stainless steel (SUS303/SUS316).

Designed for reliability in both indoor and outdoor applications, these accessories provide straightforward protection without compromising performance. the range also includes an SMA bulkhead jack-to-jack adapter, providing additional flexibility in RF setups.

Key Features

1. Wide Interface Support
SMA, TNC, BNC, and N-type options provide compatibility across common RF systems.

2. Protective Caps with IP67 Sealing
IP67-rated caps prevent dust and moisture build-up, extending connector life in demanding environments.

3. Durable Material Options
Choose from brass (Gold /Nickel plated) or stainless steel (SUS303/SUS316) to match environmental and mechanical requirements.

4. Optional Chain Attachment
Caps are available with or without chain for easy handling and secure retention.

Filter

Protective Caps and Adapters - Showing 1 - 13 of 13 accessories

Active GradConn Distributor Stock
Active GradConn Distributor Stock

RFCT-BNC-CAP-GS-2 - Metal Protective Cap with Gasket and Chain for BNC Bulkhead Jack

Interface TypeBNC
Chain OptionWith Chain
Environmental RatingUnrated
Shell MaterialBrass - nickel plated
Active GradConn Distributor Stock
Active GradConn Distributor Stock

RFCT-BNC-CAP-GS-3 - Metal Protective Cap with Gasket for BNC Bulkhead Jack

Interface TypeBNC
Chain OptionWithout Chain
Environmental RatingUnrated
Shell MaterialBrass - nickel plated
Active GradConn - IP Rated Distributor Stock
Active GradConn - IP Rated Distributor Stock

RFCT-N-CAP-GS-1 - IP67 Protective Cap with Gasket and Chain for N Bulkhead Jack

Interface TypeN
Chain OptionWith Chain
Environmental RatingIP67
Shell MaterialBrass - nickel plated
Active GradConn - IP Rated Distributor Stock
Active GradConn - IP Rated Distributor Stock

RFCT-N-CAP-GS-2 - IP67 Protective Cap with Gasket for N Bulkhead Jack

Interface TypeN
Chain OptionWithout Chain
Environmental RatingIP67
Shell MaterialBrass - nickel plated
Active GradConn - IP Rated Distributor Stock
Active GradConn - IP Rated Distributor Stock

RFCT-SMA-CAP-GS-1 - IP67 Protective Cap with Gasket for SMA Bulkhead Jack

Interface TypeSMA
Chain OptionWithout Chain
Environmental RatingIP67
Shell MaterialBrass - gold plated
Active GradConn - IP Rated Distributor Stock
Active GradConn - IP Rated Distributor Stock

RFCT-SMA-CAP-GS-3 - IP67 Protective Cap with Gasket and Chain for SMA Bulkhead Jack

Interface TypeSMA
Chain OptionWith Chain
Environmental RatingIP67
Shell MaterialBrass - gold plated
Active GradConn - IP Rated Distributor Stock
Active GradConn - IP Rated Distributor Stock

RFCT-SMA-CAP-GS-5 - IP67 Stainless Steel (SUS303) Protective Cap with Gasket for SMA Bulkhead Jack

Interface TypeSMA
Chain OptionWithout Chain
Environmental RatingIP67
Shell MaterialStainless steel (SUS303) - Passivated
Active GradConn - IP Rated Distributor Stock
Active GradConn - IP Rated Distributor Stock

RFCT-SMA-CAP-GS-6 - IP67 Stainless Steel (SUS316) Protective Cap with Gasket for SMA Bulkhead Jack

Interface TypeSMA
Chain OptionWithout Chain
Environmental RatingIP67
Shell MaterialStainless steel (SUS316) - Passivated
Active GradConn - IP Rated Distributor Stock
Active GradConn - IP Rated Distributor Stock

RFCT-SMA-CAP-GS-7 - IP67 Nickel-plated Protective Cap with Gasket for SMA Bulkhead Jack

Interface TypeSMA
Chain OptionWithout Chain
Environmental RatingIP67
Shell MaterialBrass - nickel plated
Active GradConn - IP Rated Distributor Stock
Active GradConn - IP Rated Distributor Stock

RFCT-TNC-CAP-GS-2 - IP67 Protective Cap with Gasket and Chain for TNC Bulkhead Jack

Interface TypeTNC
Chain OptionWith Chain
Environmental RatingIP67
Shell MaterialBrass - nickel plated
Active GradConn - IP Rated Distributor Stock
Active GradConn - IP Rated Distributor Stock

RFCT-TNC-CAP-GS-3 - IP67 Protective Cap with Gasket for TNC Bulkhead Jack

Interface TypeTNC
Chain OptionWithout Chain
Environmental RatingIP67
Shell MaterialBrass - nickel plated
Active GradConn - IP Rated Distributor Stock
Active GradConn - IP Rated Distributor Stock

RFCT-TNC-CAP-GS-4 - IP67 Stainless Steel (SUS303) Protective Cap with Gasket for TNC Bulkhead Jack

Interface TypeTNC
Chain OptionWithout Chain
Environmental RatingIP67
Shell MaterialStainless steel (SUS303) - Passivated
Active GradConn - IP Rated Distributor Stock
Active GradConn - IP Rated Distributor Stock

RFAD-SA3SA2-01-N - SMA Bulkhead Jack to SMA Jack Adapter

Interface Type ASMA
Gender AFemale
Interface Type BSMA
Gender BFemale
OrientationStraight
Impedance50Ω
Frequency6GHz
IsolatedNo
Body MaterialBrass
Temp Range-55 to +125°C
O-RingWith O-ring
WaterproofIP67

Be in the know about product launches, promotions and more

By submitting your email, you are agreeing to receive occasional updates from GCT.

Global headquarters

GCT Limited

GCT Inc

GCT Hong Kong Ltd

Regional offices

Copyright © 2025 GCT (Global Connector Technology) All Rights Reserved

GCT Logo