12: Front Panel Assembly
12-10 PRC1099A-MS
12.2.3 Antenna Connections
The PRC1099A supports two front panel antenna outputs: the whip antenna
output used for manpack applications and the 50 ohm output used for mobile
and base station antennas. The whip antenna connects directly to the whip
antenna connector. The 50 ohm output can connect to a RF amplifier and
antenna tuner.
Whip Antenna
Connector
The whip antenna connector is designed to accommodate the AT-271A/U
whip antenna. The AT-271A/U is a folding, multi-section, whip antenna that
includes the AB-591/U flexible antenna base.
The ruggedized 100 ft. (30.5m) long-wire antenna kit (ALW-R) and the
portable NVIS antenna kit (NVISKIT) also connect to the whip antenna
connector. The ALW-R connects to the whip antenna connector through the
long-wire adapter (LWA) and uses the PRC1099A’s internal antenna tuner.
The NVISKIT consists of the AS-2259/GR NVIS antenna and ground base
with thumb screw connector. It also uses the PRC1099A’s internal antenna
tuner to match to the radio impedance to the antenna. The NVISKIT connects
to the whip antenna connector through an whip antenna adapter (AAW) with
feed cable C992169 (sold separately).
50 Ohm Antenna
Connector
In addition to connecting to a RF amplifier and antenna tuner, the 50 ohm
connector can connect to two adjustable resonant dipole antenna kits: ALD
and ALD-R. The ALD antenna kit is an adjustable resonant dipole antenna kit
that includes a 33 ft. (10m) RG-58/U feed line and throwing lines with
weights for deployment in trees. The ALD-R is a ruggedized version of the
ALD.
K RS232 RXD RS-232 receive data input signal to the
Processor board.
L OPTION PIN Jumpered (LK1) to the HANDSET line from
the Audio connectors for normal operation.
Jumpered (LK3) to the CH/SET line when
using the RC2-NG recontrol software.
M EXT SEL Filter select line from the Processor board to
external antenna tuner RAT7000B.
N AMP ALC ALC output line to the RA100-12 or
RA100-24 100W RF amplifier
P RX AUDIO 600 ohm receive audio output to external
loudspeaker LS-R to an external device.
R TX AUDIO 600 ohm transmit audio output to external
loudspeaker LS-R from an external device.
Pin Name Description
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