Iridium 9555 To Go KitIridium 9555 To Go Kit. All of our To Go Kits add a spare battery and hard case to the standard basic kit. The Iridium 9555 replaced the 9505A. Great robust phone that is proven to hold up over the years. Recommended for lighter use, then the newer, 9575. From distant rigs to pitching decks, baking deserts to frozen ice packs, the Iridium 9555 satellite phone can handle any environment. It is small but determined, sleek but durable, easy to use but