Figure 1-1. Sample division MSE network.
e. Mobile subscribers in non-signal battalions access the MSE network via user-owned and
operated mobile subscriber radiotelephone terminals (MSRT). The MSRT's two major components are
the digital subscriber voice terminal (DSVT) TSEC/KY-68 and the RT-1539. MSRT functional
characteristics include secure automatic voice/data communications, discrete addressability, automatic
reaffiliation during movement, internal COMSEC, a frequency range of 30 MHz to 88 MHz, and a 15-
kilometer (9.3-mile) range.