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Mast Head Amplifiers (MHA’s) from Amphenol Antenna Solutions are designed to reduce the over-all system noise figure of a cell site and provide increased uplink sensitivity. System noise figure reductions of 2 – 3 dB are typical, resulting in improved in-building penetration, higher call quality, fewer dropped calls, higher data rates and longer mobile battery life.

Amphenol Antenna Solutions MHA’s are field proven to provide reliable service in harsh tower top environments. Each design is housed in a strong, weather-proof enclosure, utilizes highly de-rated electronic components, and includes internal lightning protection to insure trouble free operation.

AISG compliant models are available that allow remote control of the MHA as well as pass-through control to the attached RET antenna. For MHA’s without AISG control, Amphenol Antenna Solutions offers a selection of DC power injection and alarm monitoring solutions.

 Mast Head Amplifiers
 
  Mast Head Amplifiers:
 
Model Number
Up-Link (MHz)
Down-Link (MHz)
Gain (dB)
Noise Figure (dB)
 TX Insertion Loss (dB)
Type
DTMA-AWS-12-AISG-1.1
DTMA-EGSM900-12-AISG-1.1
DTMA-EGSM900-12-AISG-2.0
DTMA-EGSM900-12-CWA
DTMA-GSM1800-12-AISG-1.1
DTMA-GSM1800-12-AISG-2.0
DTMA-GSM1800-12-CWA
DTMA-GSM1900-12-AISG-1.1
DTMA-GSM1900-12-AISG-2.0
DTMA-GSM1900-12-CWA
DTMA-GSM850-12-AISG-1.1
DTMA-GSM850-12-AISG-2.0
DTMA-GSM900-12-AISG-1.1
DTMA-GSM900-12-AISG-2.0
DTMA-GSM900-12-CWA
DTMA-LTE2600-12-AISG-1.1
DTMA-LTE2600-12-AISG-2.0
DTMA-LTE700-12-AISG-1.1
DTMA-LTE700-12-AISG-2.0
DTMA-LTE800-12-AISG-1.1
DTMA-LTE800-12-AISG-2.0
DTMA-UMTS2100-12-AISG-1.1
DTMA-UMTS2100-12-AISG-2.0
DTMA-UMTS2100-12-CWA
DU-TMA-GSM1800-900BYP-12-CWA
TMA-CDMA800-12-CWA
825-845
870-890
12
1.6
0.4
Single unit
TMA-EGSM900-12-CWA
880-915
925-960
12
1.6
0.5
Single unit
TMA-GSM1800-GSM900-12-CWA
Single unit, dual band
TMA-GSM850-12-CWA
824-849
869-894
12
1.6
0.4
Single unit
TMA-GSM900-12
890-915
935-960
12
1.7
0.4
Single unit
TMA-UMTS2100-1800BYP-12-AISG-1.1
1920-1980
2110-2170
12
1.2
0.35
Single unit, 1710-1880 MHz bypass, AISG 1.1 compatible
TMA-UMTS2100-1800BYP-12-AISG-2.0
1920-1980
2110-2170
12
1.2
0.35
Single unit, 1710-1880 MHz bypass, AISG 2.0 compatible
  Accessories:
 
Model Number
Description
DCI-01 Indoor DC Injector / Bias-T
PDU-02 Indoor, 6-way, Power Distribution Unit with alarm management.
   
   
 
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