The Diamond CX-210A is a low loss, two position coaxial switch providing very low loss and high isolation. It is rated DC to 1000 MHz and can handle up to 1500 watts CW at HF frequencies. This switch utilizes SO-239 jacks for input and output.
There are two removable screws on the bottom of the switch which may be used for mounting.

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)
Size: 2.8x1.8x3.7 polegadas (71x57x42 mm)
Weight: 15.2 oz (440 g)