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The Dipole antenna is ideal for low ceiling installations where wall penetration or extended reach are important.
Some example usesare low-density deployments like schools and hotels to provide
basic low-performance connectivity. These types of best effort
deployments usually have APs installed in the hallway to cover
adjacent rooms.

The Dipole antenna is ideal for low ceiling installations where wall
penetration or extended reach are important. Some example uses
are low-density deployments like schools and hotels to provide
basic low-performance connectivity. These types of best effort
deployments usually have APs installed in the hallway to cover
adjacent rooms.

Meraki Dipole Antenna (3.8/5.5 dBi)
The Dipole antenna is ideal for low ceiling installations where wall penetration or extended
reach are important. Some example uses are low-density deployments like schools and
hotels to provide basic low-performance connectivity.

The Cisco Meraki ANT-27 sector antenna is a 9 / 12 dBi, MIMO, dual–band 2.4 and 5 GHz
antenna ideal for providing client coverage over focused areas or creating backhaul links.
It is designed for use with Meraki APs that have N-type connectors.

The Cisco Meraki MA-ANT-25 patch antenna is a 8/6.5 dBi, MIMO, dual-band
2.4 and 5 GHz antenna ideal for providing client coverage over focused areas or
creating backhaul links. It is designed for use with Meraki APs that have N-type
connectors.

The Cisco Meraki MA-ANT-23 sector antenna is an 11 dBi, MIMO,
2.4 GHz antenna ideal for providing client coverage over focused
areas. It is designed for use with Meraki APs that have N-type
connectors.

Highlights
Reliable Always-On Operation Backed by up to a 1.2 million hours MTBF1 and 180 TB/ year workload rating
Tested for Maximum Reliability
Stringent validation and over 500,000 hours of testing ensure reliability in Synology systems
Seamless Firmware Updates Firmware updates can be performed directly in Synology DSM
Reliable Recording Technology Conventional magnetic recording (CMR) technology offers consistent performance

Hardware Specifications
Capacity 4 TB
Form Factor 3.5
Performance
Rotational Speed 5,400 rpm
Maximum Sustained Data Transfer Speed 202 MB/s

Hardware Specifications
Drive Bays 12
Compatible Drive Type 
3.5" SATA HDD
2.5" SATA SSD
Size (Height x Width x Depth) 88 mm x 430.5 mm x 692 mm
Weight 13.9 kg

Hardware Specifications
Controller Number of Controller Module 2
CPU Intel Xeon D-1541
Memory 8 GB DDR4 ECC UDIMM
Storage
Drive Bays 12
RJ-45 1GbE LAN 2 Port
RJ-45 10GbE LAN 1 Port