AL3A-RM Quick Start Guide Version A
Document Number: 451-93156-014A
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Figure 2: A3LA-RM Connected to a DPL Handset via the HRC-24-8R
2.3
A
NTENNA
C
ONNECTOR
The A3LA-RM modem uses a single Threaded Neill–Concelman (TNC) female 50-ohm connector
for both transmit and receive.
NAL Research offers several types of antennas for use with the A3LA-RM modem. For low cost
and applications where small form factor and light weight are required, NAL Research
recommends model SYN7391-C (see
Figure 3: SYN7391-C Antenna
2.4
SIM
C
ARD
I
NTERFACE
The A3LA-RM modem contains an integrated Subscriber identification module (SIM) reader.
The modem uses and requires an Iridium SIM chip for operation. The SIM chip is inserted into
the opening located on top of the modem, as shown in
. A plastic locking mechanism is
used hold the SIM in place. Place the SIM chip (facing down) into the SIM reader’s bracket.
Ensure that the cutoff on the SIM chip aligns with the SIM reader.
DPL Handset
A3LA-RM Modem
HRC-24-8R Data Kit