The W1900-M from Pulse Electronics is a Antenna with Frequency 824 MHz to 2.17 GHz, Gain 1 to 2 dBi, Operating Temperature -30 to 75 Degree C, Storage Temperature -30 to 75 Degree C, Output Power 5 W. Tags: Rubber Duck, Monopole. More details for W1900-M can be seen below.