UG-001 Daniels P25 Radio Systems
www.danelec.com
Chapter 1: Introduction
5
User
Guide
HARDWARE, FIRMWARE AND
SOFTWARE DEFINITIONS
Hardware
The hardware is the radio module itself. Daniels P25 Receiver module
hardware is comprised of a front end fi lter, an RF board (comprised
of a local oscillator, mixer and demodulator), and DSP and controller
boards and audio circuitry. Daniels P25 Transmitter module hardware
is comprised of the audio circuitry, DSP and controller boards, RF
board (modulator), and RF amplifi er. The hardware for the different
MT-4 series is slightly different, using different chipsets in the MT-4R,
MT-4D and MT-4E series, as well as differences for base and repeater
modules.
Firmware
The fi rmware is the programming that is contained within the radio
module. The fi rmware resides within the DSP and controller boards
and is programmed at the Daniels factory. The RSS programming
software can read the fi rmware version number of MT-4D and MT-4E
modules. The RSS programming software for the MT-4R modules is
not capable of reading the fi rmware version.
Software
The Radio Service Software or RSS is used to program features and
options. The RSS programs RF frequencies, modes of operation
(analog, digital or mixed mode), CTCSS, NAC codes, etc. The RSS
connects to a radio module using an adapter between the serial port
on a computer and the RJ45 interface on the front panel of the radio
module. There are different RSS versions for the different series of
modules as well as for base and repeater modules.
AVAILABLE FREQUENCY BANDS
Daniels Electronics currently manufactures P25 radio systems in the
VHF (132– 174 MHz) and UHF (406 – 430 MHz and 450 – 470 MHz)
frequency bands. Future production in other frequency bands is being
investigated.
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