überarbeitet am 9.9.2010
In parallel to the VHF communications system SE-412 / VRC-12, the Swiss Army acquired the mobile VHF transceiver U.S. Signal Corps PRC-77 with the same frequency coverage, it got the Swiss military designation SE-227.
The transceiver in completely solid state techology can be used as manpack set, as mobile vehicle station, as a remote controlled or relay station. The version used in the Swiss Army as SE-227 comes with a metal backpack frame with a canvas bag for spares ("microtel", antenna material, noise headset, antenna output control lamp) and a replacement battery.
The set covers the military VHF communications band in zwo ranges (A band 30 - 52,95
and B band 53 - 75,95 MHz) in 50 kHz steps, with it's output power of 1 - 3 Watts
in Fm telephony, the operation range with the 90 cm mobile antenna is up to
3 km, with the 3 m long disctance and vehicular whip antenna up to 12 km.
On the front panel, You find the external power supply connector, a socket
for the mobile antenna and a 50 Ohms coaxial socket for the cable of a car antenna,
at the left hand.
The relay equipment consists of a canvas bag with a small box, all necessary connectors and a 15 m cable.
The SE-227 has been used for tactical and technical communications within
divisions, batallions, companies or platoons, either in portable use or installed
on a vehicle.
© 28.5.2009 Martin Bösch