The document is a datasheet that describes Juniper Networks' SRX Series Services Gateways for branches. It summarizes that the SRX Series provides secure routing, switching, security and application capabilities in a single device to economically deliver services and safe connectivity for workforces ranging from handfuls to hundreds of users. It then provides details on the product overview, key hardware features, and architecture of the various SRX models scaled for branch office needs, including the SRX100, SRX110, SRX210, SRX220, SRX240, and SRX550.