CommScope Tower Mounted Amplifier Twin Diplexed PCS/AWS TMA

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Tower Mounted Amplifier, Twin Diplexed PCS/AWS TMA with 700–850 bypass and Variable Gain

OneBase™ Twin Diplexed Antenna/BTS Port Dual Band PCS/AWS Tower Mounted Amplifier with 700–850 Bypass, AISG, and Variable Gain

Designed for the highest reliability even in the most demanding installation environments.

The tower mounted amplifiers from Andrew Solutions help optimize network performance and represent the ideal solution for coverage and capacity enhancement.

By improving uplink performance, Andrew Solutions tower mounted amplifiers (TMAs) ensure optimum coverage of fringe areas, weak spots, and indoor locations. Easily installed in any wireless system, TMAs provide multiple benefits:

Improved sensitivity—reducing dropped calls and failed connection attempts. Enhanced signal quality—improving voice clarity and data speed. Lower handset output—extending talk time, reducing interference in GSM/EDGE, UMTS, LTE, and CDMA systems.

The twin diplexed TMA is part of the OneBase™ product family, which combines Andrew Solutions products and technology into complete solutions for use in integrated base station systems.The self-contained body is engineered to ensure the highest reliability in severe environments while featuring a very compact size and attractive appearance.

Full band operation in both PCS and AWS bands
Stacked unit
Diplexed BTS and Antenna ports for shared feeder
Lightning protection—built-in multi-stage surge suppressor
Failsafe low noise amplifier (LNA) bypass
In-line connectors
Variable gain, in steps of 1 dB

Technical Specifications

Electrical Specifications Rx (Uplink)
Bandwidth	60.00 MHz
License Band	PCS
Return Loss, typical	18 dB @ 4 dB 20 dB @ 6 dB 22 dB @ 8 dB 24 dB @ 12 dB
Frequency Band	1850 – 1910 MHz
Gain	12–4 dB (variable)
Gain Tolerance	±1
Noise Figure, Full Band, typical	1.50 dB @ 12 dB 1.80 dB @ 8 dB 2.10 dB @ 6 dB 2.30 dB @ 4 dB
Insertion Loss, Bypass Mode, typical	2.85 dB
Return Loss, Bypass Mode, typical	16 dB
Total Group Delay, maximum	130 ns

Electrical Specifications Tx (Downlink)
Bandwidth	60.00 MHz
Insertion Loss, maximum	0.60 dB
License Band	PCS
Frequency Band	1930 – 1990 MHz
Return Loss, minimum	24 dB
3rd Order IMD	-110 dBm
3rd Order IMD Test Method	Two +43 dBm carriers
Input Power, RMS, maximum	200 W
Input Power, PEP, maximum	3000 W
Total Group Delay, maximum	50 ns

Electrical Specifications 2 Rx (Uplink)
License Band	AWS
Return Loss, typical	18 dB @ 4 dB 20 dB @ 6 dB 22 dB @ 8 dB 24 dB @ 12 dB
Frequency Band	1710 – 1755 MHz
Bandwidth	45.00 MHz
Gain	12–4 dB (variable)
Gain Tolerance	±1
Noise Figure, Full Band, typical	1.30 dB @ 12 dB 1.60 dB @ 8 dB 1.80 dB @ 6 dB 2.10 dB @ 4 dB
Insertion Loss, Bypass Mode, typical	1.90 dB
Return Loss, Bypass Mode, typical	16 dB
Total Group Delay, maximum	50 ns

Electrical Specifications 2 Tx (Downlink)
Bandwidth	45.00 MHz
Insertion Loss, maximum	0.25 dB
License Band	AWS
Frequency Band	2110 – 2155 MHz
Return Loss, minimum	24 dB
Input Power, RMS, maximum	200 W
Input Power, PEP, maximum	3000 W
Total Group Delay, maximum	15 ns

Electrical Specifications
Voltage	7–30 Vdc
Alarm Functionality	AISG \| CWA
Failure Current Consumption	180–200 mA @ 10–18 V
Lightning Surge Capability Waveform	8/20 waveform

Mechanical Specifications
Connector Interface	7-16 DIN Female
Connector Interface Style	Long neck
Wind Speed, maximum	67 m/s
Color	Gray

Environmental Specifications
Operating Temperature	-40 °C to +65 °C (-40 °F to +149 °F)
Ingress Protection Test Method	IEC 60529:2001, IP67

Dimensions
Height	255.0 mm \| 10.0 in
Width	236.0 mm \| 9.3 in
Depth	123.0 mm \| 4.8 in
Weight	10.2 kg \| 22.5 lb

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