The standard modems used for STS Telemetry Systems are the Digi IX20 Cat 4 North America (LTE Bands B2, B4, B5, B12, B13, B14) or the Digi IX20 Cat 4 Global (EMEA/APAC LTE Bands B1, B2, B3, B4, B5, B7, B8, B12, B13, B18, B19, B20, B25, B26, B28, B39, B40, B41).
The modems come with two 700/850MHz BLADE SMA Male antennas.
The Modem connects to the STS using the supplied Null Modem Serial Cable (female DE9 connections) and Modem Power Cable. The connections are clearly labelled on the STS. You will require a small flat screwdriver to connect the Modem Power Cable to the STS and modem.
See www.digi.com for modem specifications.
Figure 3-6 STS Modem
®Digi, Digi International, Inc. and Digi TransPort are registered trademarks of Digi International, Inc.