Ericsson MDS Manuale Utente

Mobile CommunicationsMDS148-174 MHz MOBILE RADIOCOMBINATIONTABLE OF CONTENTSMAIN BOARD ASSEMBLY . . . . . . . . . . . . . . . . . .

PARTS LISTLBI-38652 LBI-386529

Copyright © April 1992, Ericsson GE Mobile Communications, Inc.TABLE OF CONTENTSPageSPECIFICATIONS . . . . . . . . . . . . . . . . .

INTRODUCTIONThe Ericsson GE Conventional MDS VHF Radio is a rug-ged two-way FM mobile radio which operates in the 148-174MHz frequency band. The MDS i

Figure 1 - MDS Conventional Radio Block DiagramLBI-38652 LBI-386523

ReceiverThe RF front end of the receiver includes the PIN diodeT/R switch, the tuned bandpass preselector filters, and thelow noise RF amplifier. The

ceived and optionally de modulated by the repeater as part ofthe system protocol when so installed.Receive-Only OperationChannels can be programmed to

In the Type 99 Monitor Mode the receive audio remainsunmuted permitting the user to monitor all activity on thechannel. When the user’s own Type 99 to

Example 1 - Group Call Code 07 (also code 27 and 37):The digit "0" in Table 5 shows that Tone B is in ToneGroup 2 along with 20 to 29 and 30

MECHANICAL PARTS BREAKDOWNLBI-38652 LBI-386528