Diamond Antenna CX-310A Heavy Duty Wideband Coaxial Switch
Brand:
Diamond
Diamond Antenna CX-310A Heavy Duty Wideband Coaxial Switch
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
| Brand | Diamond Antenna |
| Model Number | CX-310A |
| Product Type | 3-Way Coaxial Switch |
| Switch Type | Manual Rotary Switch |
| Circuit Configuration | 1 Circuit 3 Positions |
| Frequency Coverage | DC-800MHz |
| Impedance | 50 Ohm |
| Connector Type | SO-239 Female |
| Connector Quantity | 4 |
| VSWR DC-500MHz | <1.1:1 |
| VSWR 500-800MHz | <1.2:1 |
| Insertion Loss DC-500MHz | <0.1dB |
| Insertion Loss 500-800MHz | <0.15dB |
| Isolation DC-500MHz | >60dB |
| Isolation 500-800MHz | >50dB |
| Power Rating 0-30MHz | 1500W |
| Power Rating 30-150MHz | 1000W |
| Power Rating 150-800MHz | 500W |
| Housing Material | Die-Cast Metal |
| Dimensions | 80x41x60mm |
| Weight | 575g |
| Application | HF/VHF/UHF Antenna Switching |