Features
The Kaelus MI-147 is designed to enhance cell uplink coverage in the 2100 and 2600 bands by improving base station sensitivity and system noise figure. It features internal diplexing on antenna ports, excellent noise figure performance, full AISG operation, and RET antenna support. The unit is compact and lightweight to minimize visual impact.

Technical Specifications
Downlink: The passband for the 2100 band is 2110-2170MHz with an insertion loss of 0.30dB, while the 2600 band is 2620-2690MHz with an insertion loss of 0.35dB. Both bands have a return loss of 18dB minimum and a maximum input power of 200W.
Uplink: The 2100 band passband is 1920-1980MHz and the 2600 band is 2500-2570MHz, both with a nominal gain of 12dB. The noise figure is 1.4dB for the 2100 band and 1.5dB for the 2600 band.

Electrical
The unit operates at an impedance of 50 Ohms and supports AISG 2.0 mode, with a power consumption of less than 4W in AISG mode. The DC supply voltage ranges from 9.0V to 31V DC.

Environmental
The MI-147 operates within a temperature range of -40ºC to +65ºC and has an ingress protection rating of IP67. It offers lightning protection and complies with various EMC and safety standards.

Mechanical
The dimensions are 176 x 110 x 154 mm, and it weighs 4.3kg. The unit is powder-coated and can be mounted using pole or wall brackets.

Ordering Information
Various configurations are available, identified by part numbers such as MI-14701 and MI-14702, with options for different AISG modes and connector types.