The SWIFT-XTX from Tethers Unlimited is an X-Band Software-Defined Transmitter with a frequency range of 8–8.5 GHz and a peak throughput of up to 100 Mbps. This transmitter has a transmitter bandwidth of 50 MHz and a power of +33 dBm. It has a receiver bandwidth of 9.9 MHz and an operating bandwidth of -120 to -50 dBm. The transmitter supports modulation formats such as BPSK, USB, AMFSK, QPSK, and SGLS. It requires an input voltage of 9–34.6 V and has an operating power of 22 W. The transmitter supports interfaces such as RS-422 for command and LVDS for data transfer. It has a mass of 800 grams and measures 107 x 98 x 46 mm.