3.2 Environmental
The environmental specifications of the Modem are summarized in Table 4 below. The Swarm
Modem is not conformally coated, and as such the user needs to provide any weatherproofing
for their application.
Operating Temperature Range
Storage Temperature Range
0% to 95%, non-condensing
0% to 95%, non-condensing
Table 4: Environmental Specifications.
3.3 Moisture Sensitivity Level
The Modem is classified as an MSL 3 device as defined by IPC/JEDEC J-STD-020E standards.
Commercial Modem orders will be shipped in a moisture barrier antistatic bag or shrink wrap
with a desiccant and a moisture indicator card, along with a handling reference label.
Moisture Sensitivity Level
Table 5: Modem MSL Specifications per IPC/JEDEC J-STD-020E
November 2021 Swarm M138 Modem Manual - Rev 1.00 11/77