China GSM 900MHz Tma Tower Mounted Amplifier, Find details about China Tma, GSM Tma from GSM 900MHz Tma Tower Mounted Amplifier
Schematic Diagram |
Technical Specifications |
Items | Uplink | Downlink |
Working Frequency(customize) | 890~915 MHz | 935~960MHz |
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) |