Universal Modem Adapter for Poynting ADPT-24Adaptive antennas consists of a flat plastic pad with 50 cm cable ending with a connector SMA (female). Plastic sleeve that looks like a phone battery mobile, contains a device that can be connected to a mobile phone and redirect to the supporting antenna, thus providing a better reception. The connector pad shall be placed at the top of the phone. (The connector is attached small Velcro that you can use to ensure a safer connection with by phone). Then connect the other end of the connector to one of our antennas supporting with SMA connector (female). Ancillary antenna can be used mount outside the building and direct towards the nearest cell base station to ensure good reception. Product Characteristics- Broadband frequency ranges from 698-2700 MHz - Slender and light housing - Solid design Application- Areas o weak signal with low number of calls to the phones cellular or missing. antenna for better range and communication - Ideal for farmers, cottages, holiday centers or anyone, who needs communication in rural areas. Performance charts Voltage wave ratio (VSWR)*VSWR is a measurement of the efficiency of radio frequency transmission from the source supply line to load. In an ideal system 100% energy is sent, which corresponds to VSWR 1: 1, ADPT-24 provides excellent performance in all ranges with VSWR 3: 1 or better for 80% range.Most important technical features:Technical specificationClick here, to read the full technical documentation of the antenna.