This antenna is a perfect addition to your cellular project with LTE connectivity. It's specifically intended for use with the Pycom LTE-powered kits but it's just a passive antenna so you can pair it with any dev board you like, as long as it has a uFL connector.Comes with a flexible copper grounding sticker, you can use to provide a nice big ground plane!Technical Details Dimensions * 7.5 x 2.1 cm Weight * .04 kg Specifications * LTE band 28/38*2 * Frequency: 703~803/2520~2620(MHz) * Antenna size: 75 x 21 (mm) * PCB 0.6 mm Low bands * (5, 8, 12, 13, 18, 19, 20, 28) * Tx frequencies 699 to 915 MHz * Rx frequencies 729 to 960 MHz Mid bands * (1, 2, 3, 4) * Tx frequencies 1710 to 1980MHz * Rx frequencies 1805 to 2170 MHz For product support you can contact Pycom here. https://elecena.pl/product/22715814/pycom-lte-m-cellular-antenna-discontinued 2023-03-07 https://elecena.pl/product/22715814/pycom-lte-m-cellular-antenna-discontinued 2024-09-19