Spectra

Control head designations:

A3 / A5 / A7 / A9 B3 / B5 / B7 / B9 C3 / C5 / C7 / C9 E3 / E5 / E7 / E9

A) Conventional B) Privacy Plus Trunking C) Smartnet Trunking E) Enhanced.

3) 5) Standard 7) Enhanced 9)