Functional Description - Pyramid WM-1000 Product Manual

3.0 Functional Description

The WM-1000 is a state of the art spread spectrum unlicensed radio system that provides extended
coverage for mobile radio users. This portable radio system integrates with your existing mobile radio to
give users handheld coverage when outside of their vehicle. With no license required, the WM-1000
offers ease of implementation when compared to traditional SVR vehicular repeater systems.
The WM-1000 is used as mobile extender in cross-band operation: the link is 915 MHz ISM Band
utilizing a traditional simplex mode of communications where the handheld WM-1000 unit can either
transmit or receive at any one time. The mobile radio that the WM-1000 is connected to can be Lo-band,
VHF, UHF, 700MHz or 800MHz trunking or conventional. Proper care must be taken to prevent interfer-
ence between the mobile's higher power transmitter and the WB-1000 receiver. Proper antenna place-
ment is important even in this cross-band operation.
Pyramid's Smart Trunking II™ access gives portable radio users feedback of the handshake
status of their tethered mobile radio to system call status. This ensures that the portable user has com-
plete visibility of the trunking status to the main radio system. High speed data signalling between the
WM-1000 and the WB-1000 negotiate the trunking access regardless of trunking format, EDAC'S™,
LTR™, P25™, Nexedge™, MOTOTRBO™ AND IDAS™. When channel access is granted the WM-1000 user
will hear a go ahead tone, acknowledging channel access.