Ubiquiti R5AC-PRISM-US 5GHz Rocket airMAX ac PRISM Basestation with airPrism Technology, US Version

UBI-R5AC-PRISM-US
R5AC-PRISM-US

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Revolutionary Filtering Technology

Ubiquiti’s patented airPrism technology provides breakthrough radio selectivity in unlicensed wireless band performance. airPrism technology isolates signals within the operating channel to increase capacity and throughput in co-location deployments.

 

 

Designed for High Performance

The Rocket5ac Prism features EMI-shielded metal housing, GPS, airPrism circuitry, and the airView® real-time spectrum analyzer to deliver maximum spectral efficiency/throughput.

 

 

Full-Band 5 GHz Coverage

The Rocket5ac Prism delivers complete coverage of the 5 GHz spectrum with a single radio.

 

 

 

AIRPRISM TECHNOLOGY IMPROVES 5 GHZ PERFORMANCE IN HIGH-DENSITY AREAS

Adjacent Channel Rejection

The following spectrum analyzer interference plots compare adjacent channel rejection in three scenarios:

 

 

 

 

Antenna

Signal coming from the antenna, as seen by the radio in a typical tower installation:
No filtering results in an extremely low Carrier to Interference + Noise Ratio (CINR) of -4.5 dB.
For a typical tower installation, an antenna frequently hears co-located devices as loudly – or
more loudly – than the intended CPE or PtP radio. High-isolation antennas, such as the Ubiquiti®
airMAX® ac antennas, help mitigate this problem by reducing the energy received by nearby
radios; this problem, however, cannot be solved by the antennas alone in all cases.
Both time-synchronization and filtering can help solve this problem. Time-synchronization
synchronizes transmit cycles; however, it is not always a viable solution due to non‑cooperative
radios. Filtering, on the other hand, requires no cooperation to be effective, improving
performance even against non-cooperative interferers.

 

 

Wi-Fi Filtering

Signal filtered by standard Wi-Fi chipsets, as seen by the radio:
The combination of co-located, off‑channel noise and standard Wi-Fi filtering performance
results in a low CINR of 13.5 dB and a corresponding loss in spectral efficiency/throughput:
2.5 Mbps/MHz TCP/IP throughput.
Wi-Fi filtering is designed for indoor environments, where access points (or clients) are rarely
co‑located. Wi-Fi filtering offers approximately 20 dB of rejection (of out-of-band energy), which
is more than sufficient for a typical Wi-Fi installation. For a tower installation, however, this
filtering is often lacking. The plot displays the low CINR and a corresponding loss in throughput
and overall system capacity stemming from ≈20 dB filtering by standard Wi-Fi chipsets.

 

 

airPrism Filtering*

Signal filtered by airPrism® technology, as seen by the radio:
A high CINR of 33.5 dB from airPrism technology results in approximately 7.5 Mbps/MHz TCP/IP
throughput, a 3x increase in TCP/IP throughput compared to standard Wi-Fi technologies for a
typical case of co‑located interference.
The Ubiquiti R&D team designed airPrism filtering as a robust solution for tower co‑location
interference. Requiring no communication between radios – and functioning despite noise from
other vendors’ radios (unlike GPS synchronization) – airPrism enables greater system capacity
and overall throughput by further reducing out‑of‑band energy.

 

Product Condition New
Manufacturer part number R5AC-PRISM-US
Manufacturer Ubiquiti Networks
Specifications
Dimensions 88 x 40 x 230 mm (3.47 x 1.58 x 9.06")
Weight 400 g (14.11 oz.)
Enclosure Characteristics Die-Cast Aluminum with White Powder Coating
Processor Atheros MIPS 74Kc, 720 MHz
Memory 128 MB DDR2 SDRAM, 16 MB NOR FLASH
Networking Interface (1) 10/100/1000 Mbps
RF Connections (2) RP-SMA (Waterproof ), (1) GPS (Waterproof )
LEDs Power, LAN, GPS, (4) Signal Strength
Max. Power Consumption 8.5W
Power Supply 24V, 0.5A Gigabit PoE Adapter
Power Method Passive PoE (Pairs 4, 5+; 7, 8 Return)
Supported Voltage Range 18-26VDC
ESD/EMP Protection ± 24KV Air / Contact
Operating Temperature -40 to 80° C (-40 to 176° F)
Operating Humidity 5 to 95% Noncondensing
Shock and Vibration ETSI300-019-1.4
Wireless Approvals FCC, IC, CE
RoHS Compliance Yes
Operating Frequency Worldwide: 5150 - 5875 MHz
DTS: 5725 - 5850 MHz
Output Power 27 dBm
Frequency 5.2 GHz, 5.3 GHz, 5.4 GHz, 5.x GHz
 

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Dimensions 88 x 40 x 230 mm (3.47 x 1.58 x 9.06")
Weight 400 g (14.11 oz.)
Enclosure Characteristics Die-Cast Aluminum with White Powder Coating
Processor Atheros MIPS 74Kc, 720 MHz
Memory 128 MB DDR2 SDRAM, 16 MB NOR FLASH
Networking Interface (1) 10/100/1000 Mbps
RF Connections (2) RP-SMA (Waterproof ), (1) GPS (Waterproof )
LEDs Power, LAN, GPS, (4) Signal Strength
Max. Power Consumption 8.5W
Power Supply 24V, 0.5A Gigabit PoE Adapter
Power Method Passive PoE (Pairs 4, 5+; 7, 8 Return)
Supported Voltage Range 18-26VDC
ESD/EMP Protection ± 24KV Air / Contact
Operating Temperature -40 to 80° C (-40 to 176° F)
Operating Humidity 5 to 95% Noncondensing
Shock and Vibration ETSI300-019-1.4
Wireless Approvals FCC, IC, CE
RoHS Compliance Yes
Operating Frequency Worldwide: 5150 - 5875 MHz
DTS: 5725 - 5850 MHz
Output Power 27 dBm
 
 

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