# Diamond Antenna CX-310A Heavy Duty Wideband Coaxial Switch

## Diamond Antenna CX-310A Heavy Duty Wideband Coaxial Switch

The Diamond CX-310A is a professional-grade heavy-duty 3-position coaxial switch designed for convenient selection between multiple antennas or RF systems. Covering DC through 800 MHz, the CX-310A delivers low insertion loss, high isolation, excellent power handling capability, and robust mechanical construction, making it ideal for demanding HF, VHF, and UHF amateur radio installations.

### Key Features

-   Heavy-duty 3-position coaxial antenna switch
-   Allows selection between three antennas using a single radio
-   Wideband frequency coverage from DC to 800 MHz
-   Suitable for HF, VHF, and UHF applications
-   Low insertion loss for efficient RF transfer
-   Less than 0.1 dB insertion loss from DC to 500 MHz
-   Less than 0.15 dB insertion loss from 500 MHz to 800 MHz
-   High isolation between switch positions
-   Greater than 60 dB isolation from DC to 500 MHz
-   Greater than 50 dB isolation from 500 MHz to 800 MHz
-   Supports high-power amateur radio operation
-   Up to 1.5 kW power handling on HF frequencies
-   Heavy-duty rotary switching mechanism
-   Positive detent switch action for secure switching
-   Silver-plated internal contacts for reliable conductivity
-   Excellent RF shielding characteristics
-   50-ohm impedance design
-   SO-239 female connectors for broad compatibility
-   Four-port configuration with one common input and three selectable outputs
-   Suitable for transceivers, receivers, tuners, and test equipment
-   Compact die-cast metal enclosure
-   Mounting holes provided for fixed station installation
-   Ideal for multi-antenna contest and DX stations
-   Reliable operation across HF, VHF, and UHF frequencies
-   Professional-grade Diamond Antenna construction

### Typical Uses

-   Three-antenna amateur radio stations
-   HF antenna selection systems
-   VHF and UHF antenna switching
-   Contest and DX installations
-   Receiver and transceiver antenna sharing
-   Monitoring and scanning systems
-   RF laboratory and testing applications

### In the Box

-   Diamond CX-310A Coaxial Switch
-   User documentation

## Details

- **Price:** 11200.0 INR
- **Vendor:** Diamond
- **Type:** Antenna System
- **Tags:** 3 way coaxial switch, CX-310A, Diamond antenna switch, Diamond CX-310A India, ham radio accessories India, heavy duty coax switch, wideband antenna switch India

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 11200.00 INR | In stock |

## Images

- Diamond Antenna CX-310A Heavy Duty Wideband Coaxial Switch - RFCharge

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> Source: [RFCharge](https://rfcharge.com/products/diamond-antenna-cx-310a-heavy-duty-wideband-coaxial-switch)
> Updated: 2026-07-10