User's Manual

Table Of Contents
Physical description
iRM4451nn00-2 iRRH Product Description and Installation Guide 3-1
3 Physical description
The Altiostar Networks iRM4451nn00-2 intelligent Remote Radio Head is an energy-
efficient, modular, outdoor radio unit constructed of aluminum with integrated heat
sink fins to facilitate fanless convection cooling. Four independent RF outputs for a
4T4R configuration at 30 W per RF path for a total of 120 W maximum output power.
The iRM4451nn00-2 iRRH has connections for –48 V DC power input and Gigabit
Ethernet optical fronthaul. Figure 3-1 shows the iRM4451nn00-2 iRRH.
Figure 3-1 Altiostar networks iRM4451nn00-2 iRRH
The Altiostar Networks iRM4451nn00-2 iRRH can be mounted on a wall, mast or tower
using the supplied mounting bracket assembly and mounting plate. Table 3-1 lists the
model numbers for specific bands, and specifications of the iRM4451nn00-2 iRRH by
characteristic type. The Installer is responsible for supplying and installing antennas
and associated cables for the GPS and RF signals. For recommendations on the
antenna type, the RET motor, and the RET cable assembly contact Altiostar Networks
engineering prior to the site pre-installation visit.