GSM 850MHz Mast Head Amplifier

• Usage: Telephone, Computer, Workstation, Server, Mobile phone, Laptop
• Type: Wireless
• Support Network: GSM
• Information content: Signal
• Certification: CE, ISO
• Condition: New
• Model NO.: BT-GT12-4
• Transport Package: Carton
• Specification: 400*250*110 mm
• Trademark: BOOSTEL
• Origin: China
• HS Code: 85177090
• Production Capacity: 10000 PCS/Year

Product Description

Specifications of GSM TMA
Model: BT-GT12-4

Schematic Diagram

 

Technical Specifications

Items	Uplink	Downlink
Working Frequency(customize)	824~849 MHz	869~894MHz
Gain	12±1dB	--
Flatness	≤±0.5 dB	--
Noise Figure	≤ 1.8 dB	--
Group Delay	45 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 mode	2.8dB max	0.50dB 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 Impedance	50Ω
Power Supply	DC 10~30 V
Operating current per TMA (without RET)	Nom. 280mA at 10 V Nom. 110 mA at 30V
Power Handing	2.5KWPEAK;200w AVG
Alarm management(Optional)	AISG
Material	Aluminum housing
RF Connector	7/16 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
Application	Indoor or Outdoor(IP67)
EMC	According to ETS 300 342-3
MTBF	> 1 000 000 hours (per TMA)

Outline Drawing for Single Unit:

Clamp Set:
Clamp set suitable for mast diameter of 64-114mm