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AE/LZB 119 1902 R1A
7
MECHANICAL
The radios are packaged in a polycarbonate blend
exterior housing. A six-cell back mounted nickel cadmium
battery pack provides a nominal 7.5 volts. Two different
nickel cadmium battery packs offering high and extended
capacities are available for use with the portable radios.
The top of the radio has a Volume, Channel/
Area/System select knob, Emergency/Home button, TX
LED and a screw-on antenna mount connector. Located on
the front is a 3-line 12 character per line dot matrix LCD
with backlighting. A chip-on-glass filtered super twisted
nematic LCD with a transflective rear film is used. A 36
mm speaker and electret microphone are located above the
LCD. Below the speaker is either a 6-button keypad for
Scan operation or a 15-button keypad for System operation.
A push-to-talk bar is located on the left side along with a
Clear/Monitor button and option button. On the opposite
side a UDC connector is located for plug-in accessories and
PC programming.
One printed wire board assembly contains the
transmitter/receiver, audio and logic circuitry. A separate
printed wire board assembly (daughter board) contains the
DSP Module. The radio board assembly is cradled in a zinc
die casting which is used as a PA heat sink and for housing
rigidity. A sheet metal shield completes the RF shielding.
The keypad and LCD assembly are separate from the
main board and interconnect by a flex-circuit. This flex-
circuit also interconnects the speaker, microphone and UDC
assemblies. Top controls mount to another flex-circuit
board that plugs into the main radio board assembly.
Radio circuitry is centered mainly on one radio board.
This board is mounted in a metal housing with a metal shield
covering the top of the board. This enclosure is penetrated
only by a flex cable which ties the front, user interface part
of the radio to the board and a 3-pin battery connector.
Surface mount components populate both top and bottom of
the radio board allowing a combination of both RF and
digital circuits. Only a few leaded parts are used where no
surface mount components are available.
OPTIONS AND ACCESSORIES
PART NUMBER DESCRIPTION
Batteries
BKB 191 203 High Capacity NICAD Battery
BKB 191 202 Extra High Capacity NICAD Battery
BKB 191 203/A2 High Capacity NICAD Battery (FM
Intrinsically Safe)
BKB 191 202/A2 Extra High Capacity NICAD Battery
(FM Intrinsically Safe)
Chargers
BML 161 51/505 120 Volt, Rapid (Ericsson label)
BML 161 51/506 120 Volt, Rapid (GE label)
BML 161 51/507 230 Volt, Rapid (Ericsson label)
BML 161 51/513 120 Volt, Multi Rapid (Ericsson label)
BML 161 51/514 120 Volt, Multi Rapid (GE label)
BML 161 51/515 230 Volt, Multi Rapid (Ericsson label)
Antenna
KRE 101 1223/02 900 MHz Whip Antenna
Carrying Accessories
KRY101 1605/01 Leather Case With Belt Loop
KRY101 1605/A2 Leather Case W/Swivel And Belt Loop
KRY 101 1609/A1 Belt Loop With Swivel
KRY 101 1232/2 Plastic Belt Clip
KRY 101 1607/1 Leather Shoulder Strap
Audio Accessories
KRY 101 1617/1 Speaker Microphone (GE label)
KRY 101 1617/3 Speaker Microphone (Ericsson label)
KRY 101 1617/A2 Speaker Mic., With Antenna (GE label)
KRY 101 1617/A4 Speaker Mic., With Antenna (Ericsson
label)
RLD 541 07/11 Earpiece Kit, Speaker Microphone