3It shall be designed for operation from standard
110 Volt A. C. mains.
The transmitter shall be designed for mounting in a
suitable cabinet, together with fixed station receiver.
It shall be su>>lied complete with antenna and all
necessary incidental equipment.
All spurious radiations must be reduced at least
CO decibels.
FIXED MAIN STATION
RECEIVE ANTS CCNSOLE The fixed station receiver shall rave
the same specification as for the mobile
receivers, except, as follows:
It shall be designed for mounting in the point fixed
station transmitter - receiver cabinet.
It shall use standard 110 volts A. C. power source.
It shall have volume control available on remote
control console.
The remote control console shall provide means for
volume and mutiny; of the fixed receiver, a _ reampi.ifier
for a dynamic microphone, a carrier indicator and modu-
lation indicator.
The microphone supplied shall be a good quality,
cardiod type, dynamic.
The receiver, transmitter, remote control unit and
microphone shall be furnished complete in the unit ;rice
bid.
M03ILE TRAN'MITTER6 FOR
AUTOMOU IL_E5_A_N_DFI_R_E
PUMPERS _ Transmitters shall be designed for
frequency modulation on a frequency
of 155.61 me .-acyeles. Direct crystal
control shall be used. The frequency tolerance shall be less
than .005 per cent with a te-aperature variation of from zero
to 125 degrees Fnhrenheidt.
0
e