CommScope 850/1990 MHz Dual band TMA/Twin Diplexer

Description
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Twin Diplexed Dual Band Tower Mounted Amplifier
Twin 850/1900 MHz TMA with AISG

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. The unit is easy to install in any wireless system and provides:

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

The self-contained body is engineered to ensure the highest reliability in severe environments while featuring a very compact size and attractive appearance.

The 850/1900 twin diplexed dual band TMA includes pole mounting hardware. It can be wall mounted with user-provided fasteners.

Rejection of SMR/trunking interference
Failsafe low noise amplifier (LNA) bypass
Dual protocol AISG 1.1/2.0 support
RET antenna port
Conventional PDU compatible
Legacy dual band TMA compatible
Field upgradeable firmware

Electrical Specifications Rx (Uplink)
Bandwidth	60.00 MHz
License Band	PCS
Frequency Band	1850 – 1910 MHz
Gain	12 dB
Gain Tolerance	+1.3/-1.0
Noise Figure, Mid Band, typical	1.50 dB @ 12 dB
Noise Figure, Full Band, typical	2.10 dB @ 12 dB
Input P1dB, typical	-1 dBm
Output IP3, minimum	21 dBm @ 12 dB
Return Loss, minimum	18 dB
Insertion Loss, Bypass Mode, typical	3.00 dB
Return Loss, Bypass Mode, typical	18 dB
Tx Band Rejection	80 dB
Group Delay Variation, maximum	50 ns @ 5.00 MHz
Total Group Delay, maximum	180 ns

Electrical Specifications Tx (Downlink)
Bandwidth	60.00 MHz
Insertion Loss, maximum	0.90 dB
License Band	PCS
Frequency Band	1930 – 1990 MHz
Return Loss, minimum	18 dB
3rd Order IMD	-112 dBm
3rd Order IMD Test Method	Two +43 dBm carriers
Input Power, RMS, maximum	300 W
Input Power, PEP, maximum	3000 W
Group Delay Variation, maximum	20 ns @ 5.00 MHz
Total Group Delay, maximum	60 ns

Electrical Specifications 2 Rx (Uplink)
License Band	Cellular
Frequency Band	824 – 849 MHz
Bandwidth	25.00 MHz
Gain	12 dB
Gain Tolerance	+1.3/-1.0
Noise Figure, Mid Band, typical	1.10 dB @ 12 dB
Noise Figure, Full Band, typical	1.70 dB @ 12 dB
Input P1dB, typical	2 dBm
Output IP3, mimimum	25 dBm
Return Loss, minimum	18 dB
Insertion Loss, Bypass Mode, typical	2.00 dB
Return Loss, Bypass Mode, typical	18 dB
Tx Band Rejection	80 dB
Group Delay Variation, maximum	270 ns @ 5.00 MHz
Total Group Delay, maximum	370 ns

Electrical Specifications 2 Tx (Downlink)
Bandwidth	25.00 MHz
Insertion Loss, maximum	0.50 dB
License Band	Cellular
Frequency Band	869 – 894 MHz
Return Loss, minimum	18 dB
3rd Order IMD	-112 dBm
3rd Order IMD Test Method	Two +43 dBm carriers
Input Power, RMS, maximum	500 W
Input Power, PEP, maximum	5000 W
Group Delay Variation, maximum	25 ns @ 5.00 MHz
Total Group Delay, maximum	65 ns

Electrical Specifications
Default Protocol	AISG 2.0
Protocol	AISG 1.1 \| AISG 2.0
Voltage	7–30 Vdc
Operating Current at Voltage	240 mA @ 10–18 V
Operating Current Tolerance	±30 mA
Alarm Functionality	AISG \| Failure current
Failure Current Consumption	30–170 mA @ 10-18 V
RET System Compatible	1 Output, 24 Vdc and RS-485
Lightning Surge Capability Test Method	IEEE C62.42-1991
Lightning Surge Capability Waveform	8/20 waveform
Lightning Surge Current	5 kA

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