Model: P2T-1G1R1G-25-R-TFF-40W   

PMI Model No. P2T-1G1R1G-25-R-TFF-40W is a single pole, two throw, hermetically sealed, reflective switch designed to operate over the 1.0 to 1.1GHz frequency range.  This model is designed to handle 40 watts average input power and 4KW peak having a 3usec pulse width and 1% duty cycle.  The switch offers fast switching speeds of 300nsec maximum, low insertion loss of 0.4dB typically and high isolation of 37dB typically.  The DC supplies are +50VDC, 18mA typical and +5VDC, 128mA typical.  The housing measures 3.92” x 2.68” x 0.70” and is supplied with TNC Female connectors.


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Product Feature

Test Report

Unit Data







Frequency 1.0 to 1.1 GHz

4 KW Peak

Average Power 40 W
Insertion Loss 0.8 dB max – Measured 0.4 dB
Isolation 25 dB min. Measured 37 dB
VSWR 1.5:1 – Measured 1.2:1
Rise Time

275 ns typ. (10% to 90% RF)

Duty Cycle


Pulse Width 3 us
PRF 600 Hz
Switching Speed 300 ns max.
Switching Rate 2 KHz max.
Cold Switching Yes
Control TTL
Power Supply

+50 V @ 50 mA – Measured 20 mA typ.
+5 V @ 200 mA – Measured 128
mA typ.

Connectors TNC Female (J1, J2, J3), 9-Pin Micro D (DC/Control)
Size 3.92" x 2.68" x 0.70"

*Note: RF Power applied to the common arm only
*Note: Sourse and Load Termination to be less than 1.5:1
*Note: One arm in los loss state at all times


Environmental Ratings:

Temperature:  -40ºC to +55 ºC Operating
 -54ºC to +125 ºC Non-Operating
 Environmental:  MIL-STD-810E