Rajant Corporation
03-100137-011
BreadCrumb® JR2 v11 User Guide
Version 11.4.0
11
Warning
2 Description of a BreadCrumb JR2
The BreadCrumb JR2 is a portable, wireless device deployable in almost any environment. It is light in
weight, and offers one external antenna, and is designed to be completely mobile. The BreadCrumb JR2
must be powered by an external source.
2.1 Radio
BreadCrumb JR2-24 comprises one 2.4 GHz 802.11b/g/n radio and BreadCrumb JR2-50 comprises one
5 GHz 802.11a/n radio. See Appendix A for a list of the channels and frequencies supported by the
JR2's radio.
2.2 Enclosure
The JR2 enclosure dimensions are 216 mm x 60 mm x 38 mm (8.49” x 2.36” x 1.50”). The weight of
BreadCrumb JR2 is 300 g ± 15 g (10.6 oz ± 0.53 oz) (weight depends on radio configuration).
The external features of the enclosure are shown in Figure 1 below.
Figure 1: BreadCrumb JR2 Enclosure Features
2.3 Antenna Connector
BreadCrumb JR2 provides one Type N male antenna connector located on the top of the enclosure (see
Figure 1).
To avoid possible damage to the BreadCrumb radio, always connect or disconnect the
external antenna with the power to the BreadCrumb JR2 off.