For sale is a Ducommun Technologies latching relay part number 2SE1T11JB. 

These were used on the acquisition system for Tektronix high end scopes

These are good to 26.5 GHz and operate on 12V DC.

Data sheet is available here: http://www.ducommun.com/pdf/mwcat/2s.pdf

High quality microwave and millimeter wave components and subsystems. Visit Ducommun RF Products online at www.ducommun.com or con-
tact us at 310.513.7200. All specifications are subject to change without notice.
2S/2SE/2SL/2SLE SERIES
SPDT SWITCH
DC-26.5 GHz  SMA
The 2S/2SL Series features SMA connectors and a frequency range
of DC to 18 GHz.
The 2SE/2SLE Series also features SMA connectors and a frequency
range of DC to 26.5 GHz.
Both series are available with fail-safe, latching self cut-off, or pulse
latching options. The 2SL/2SLE series has in board and out board
mounting holes. Please consult Factory for SPST version.
Weight (max.): 2.1 oz
RF Impedance: 50 ohms nominal
Operating Temperature (fail-safe): -55°C to +85°C ambient
Operating Temperature (latching): -25°C to +85°C ambient
Operating Life: 1,000,000 cycles min.
Switching Sequence: Break Before Make