Compact and Lightweight: Each modem measures 25 mm x 33 mm x 10.4 mm and weighs just 10 grams, making it suitable for space-constrained applications. Bundle Components: 2 x RFD900ux Radio Modems 1 x 900MHz Quarter Wave Monopole Antenna (2.1 dBi) 1 x 900MHz Right Angle Quarter Wave Mon...