DTMA-800-12-AISG Fullband Double Dual Duplex Tower Mounted Amplifier (Masthead Amplifier)
• Double unit for easy use with XPol antennas • Supports AISG 2.0 • Suitable for antenna RET control according to AISG/3GPP standard • By-pass mode to ensure cell operation in case of DC power down • Built-in lightning protection
Ant 1
Ant 0
RET = Remote Electrical Tilt AISG = Antenna Interface Standards Group
Node B0 RET
Node B1
Technical Data Type No.
782 10430 DTMA-800-12-AISG (12 dB gain)
Tx Characteristics Frequency range Insertion loss Ripple Input power (per input) Intermodulation products in Rx band Return loss Rx Characteristics Frequency range Loss in by-pass mode Return loss Gain Noise figure 3rd order intercept point (OIP3) Environmental Characteristics Operating temperature range IP rating MTBF EMC DC and Alarm Characteristics DC supply Operating current per DTMA (without RET) Alarm management Mechanical Characteristics Material Connectors RF AISG Mounting Weight Dimensions (w x h x d)
791 – 821 MHz Typically 0.25 dB < 0.3 dB < 100 W (+50 dBm) CW < –117 dBm (2 Tx carriers at +43 dBm) > 18 dB 832 – 862 MHz Typically 2 dB > 16 dB (DC ON) 12 dB nominal Typically 1.2 dB Typically 30 dBm –40 … +65 °C IP67 > 1 000 000 hours (per TMA) According to ETS 300 342-3 10 – 30 V DC Nom. 100 mA at 10 V DC / Nom. 50 mA at 30 V DC AISG Aluminium housing 7-16 female (long neck) 8-pin female, IEC 60130-9 (Pin 3: RS485B, pin 5: RS485A, pin 6: 10 – 30 V DC, pin 7: DC return, other pins: not connected) Wall mounting: With 4 screws (max. 8 mm diameter) Mast mounting: With additional clamp set 6.5 kg 240 x 170 x 98 mm (without connectors, without mounting brackets)
Accessories (order separately) Type No.
Clamp set suitable for mast diameter of
734 360
34 – 60 mm
734 361
60 – 80 mm
734 362
80 – 100 mm
734 363
100 – 120 mm
734 364
120 – 140 mm
734 365
45 – 125 mm
303