Logic Board Jumpers: Click on any image to enlarge it. The documentation page above lists the jumpers as JUnnn. For some reason these are shown on the board layouts as either Pnnn or JUnnn. There may or may not be silk-screened legend on the boards; it depends on the revision level. There are two quite different logic boards used with the GM One the expanded logic board has a shield over the microprocessor components, its program is stored in a socketed EPROM, and the board has four layers, while the other the masked logic board has all the components exposed, its program is stored within the microprocessor, and the board only has two layers.
|Published (Last):||20 July 2011|
|PDF File Size:||20.94 Mb|
|ePub File Size:||8.51 Mb|
|Price:||Free* [*Free Regsitration Required]|
Add to Cart Only 2 left! These are 40 watt, 16 channel repeaters with a band split of Mhz. The units can be tuned for HAM band operation.
The internal duplexers may be able to go into the upper portion of the ham band. These units are capable of both Wide band 25Khz and Narrow band Free programming and tuning of the duplexer is available. The GR has the following features: Battery Back-Up Tone - When the battery revert kit is installed, it alerts users that they are operating on the back-up battery supply.
Time-Out Timer - Programmable from seconds, this feature prevents a group from monopolizing the repeater with a single transmission. Courtesy Beep - This programmable alert indicates when a person is through talking so that other users are free to respond.
AdvantagePort Expandability - Allow an authorized dealer to add an Advantage Board to upgrade the repeater functionality. With 16 programmable channels, you can talk on either a 25 or a The GR Repeater can be used for a variety of applications.
Here are a few examples of some key industries: Convention Centers.
Motorola Radius GR500 UHF 45 Watt Repeater
MOTOTRBO™ SLR 5500 Repeater