Garmin inReach® Messenger Plus, SOS Satellite Communicator with Photo, Text & Voice Messaging Without Cell Service, Long Battery Life, Durable, Temperature-Resistant, Water-Resistant (IPX7) Design 82QD00HMUS The rack mount is 1

The rack mount is 1 rack unit (RU) and includes space for the power supply to be placed within the bracket

And unlike portable generators

and more with 200+ compatible iOS apps

The additional receiver unit (Part# CE-H25E11-S2/ ASIN ) is sold separately

Garmin inReach® Messenger Plus, SOS Satellite Communicator with Photo, Text & Voice Messaging Without Cell Service, Long Battery Life, Durable, Temperature-Resistant, Water-Resistant (IPX7) Design 82QD00HMUS The rack mount is 1Say it, show it, share it with the inReach Messenger Plus SOS satellite communicator. Keep in touch with friends and family beyond cell service, and exchange two way text messages with an active subscription (some jurisdictions regulate or prohibit the use of satellite communication devices). Connect your compatible smartphone, and tell them you miss them or show them the view with voice recordings, photos and group messaging on the Garmin Messenger