Gold Member Since 2017
Audited Supplier
Shenzhen Boostel Technologies Co., Ltd.

Tma, GSM Tma, GSM manufacturer / supplier in China, offering GSM Tma Tower Amplifier, 850MHz&1800MHz Dual Band Bandwidth Adjustable Digital Repeater, Panel Antenna for WiFi Lte and so on.

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GSM Tma Tower Amplifier

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shenzhen, China
Production Capacity: 10000 PCS/Year
Payment Terms: T/T

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Basic Info
  • Model NO.: BT-GT12-2/ BT-GT12-4/ BT-DT12-2/ BT-DT12-4
  • Type: Wireless
  • Information content: Signal
  • Condition: New
  • Transport Package: Carton
  • Origin: China
  • Usage: Telephone, Computer, Workstation, Server, Mobile phone, Laptop
  • Support Network: GSM
  • Certification: CE, ISO
  • Trademark: BOOSTEL
  • Specification: 400*250*110 mm
  • HS Code: 85177090
Product Description
Specifications of GSM TMA
Model: BT-GT12-2/ BT-GT12-4/ BT-DT12-2/ BT-DT12-4

Schematic Diagram

GSM Tma Tower Amplifier


Technical Specifications

Working Frequency(customize)Band1824~849 MHz869~894MHz
Band2890~915 MHz935~960MHz
Band31710~1785 MHz1805~1880MHz
Band41850~1910 MHz1930~1990MHz
Gain12±1dB --
Flatness≤±0.5 dB--
Noise Figure≤ 1.8 dB--
Group Delay45 ns max over any 5MHz in Rx band
Return Loss in By Pass Mode>15dB>18dB
Return Loss in Normal Mode>17dB >18dB
Max Input Power<12dBm--
Insert loss in by-pass mode2.8dB max0.50dB typ.,0.70dB max
Inter-modulation products in RX band<-112dBm (2 Tx carriers at +43 dBm) (Power up)
Output 1 dB Compression> 20 dBm--
I/O Impedance50Ω
Power SupplyDC 10~30 V
Operating current per TMA
(without RET)
Nom. 280mA at 10 V
Nom. 110 mA at 30V
Power Handing2.5KWPEAK;200w AVG
Alarm management(Optional)AISG
MaterialAluminum housing
RF Connector7/16 DIN female
AISG Connector(Optional)8-pin female, IEC 60130-9
(Pin 3: RS485B, pin 5: RS485A,
 pin1&pin 6: 9 - 30V DC, pin 7: DC return, other pins: not connected)
Working Temperature Range-40 ~ + 65°C
ApplicationIndoor or Outdoor(IP67)
EMCAccording to ETS 300 342-3
MTBF> 1 000 000 hours (per TMA)

Outline Drawing for Single Unit:

GSM Tma Tower Amplifier

Clamp Set:
Clamp set suitable for mast diameter of 64-114mm
GSM Tma Tower Amplifier

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