The Diamond CX-210N and the CX-210A is a low loss, two position coaxial switch providing very low loss and high isolation.

CX-210N Specifications
Frequency: 0-3000 MHz
Power 0-30 MHz: 1500 watts CW
Power 30-150 MHz: 1000 watts CW
Power 150-500 MHz: 500 watts CW
Power 500-1000 MHz: 250 watts CW
Power 1000-3000 MHz: 150 watts CW
Insertion Loss    0-  500 MHz: 0.05 dB
Insertion Loss 500-1000 MHz: 0.1 dB
Insertion Loss 1000-2000 MHz: 0.15 dB
Insertion Loss 2000-3000 MHz: 0.2 dB
Isolation     0-   200 MHz: 70 dB
Isolation 200-1000 MHz: 60 dB
Isolation 1000-2000 MHz: 55 dB
Isolation 2000-3000 MHz: 50 dB
Impedance: 50 ohms
Connector: N (input and outputs)

CX-210A Specifications
Frequency: 0-1000 MHz
Power 0-30 MHz: 1500 watts CW
Power 30-150 MHz: 1000 watts CW
Power 150-500 MHz: 500 watts CW
Power 500-1000 MHz: 250 watts CW
Insertion Loss    0-  500 MHz: 0.05 dB
Insertion Loss 500-1000 MHz: 0.1 dB
Isolation     0-   200 MHz: 70 dB
Isolation 200-1000 MHz: 60 dB
Impedance: 50 ohms
Connector: SO-239 (input and outputs)