Our "IPsec VPN Server Client site-to-site" full product is offered for sale at $369 and Amazon This item is meant to those who want to try the software features on their own Raspberry Pi 3B/B+ before they buy the full product or 5-year software license. Introducing Secure IPsec Site-to-Site VPN Server Client Pairs. It is a secure low cost solution for small companies to connect headquarter and branch/home office. How It Works Plug in VPN server in your company main office. Plug in VPN client in your company branch office or home office. A military-grade secure encrypted tunnel is created between these two VPN devices. Simply add a routing rule in your existing router/gateway to go via VPN device to reach main/branch office. You've successfully connected two office together securely. PCs on either network can transparently access any PCs/servers on either network. And it is via encrypted secure IPsec tunnel. Product Highlights Very easy to use: You don't need to know anything about VPN. No VPN software is needed on your PCs. All you need to configure is an encryption key and the public IP of VPN server. Highly secure: Only military-grade encryption algorithm is used in the encryption tunnel. Bandwidth Efficient: PCs on each network still use their own uplink to access internet. On traffic to main/branch office is going through IPsec VPN tunnel. this way, the internet resource is efficiently used. We can also customize solution to fit your unique needs (Fees apply). Contact us for more information! This sale includes: IPsec Site-to-Site Server Client software (2 images) with 30-day license. We will provide the link to download. It can fit in any microSD card with = 64MB capacity. This sale does NOT include Raspberry Pi hardware or MicroSD card This sale is about software. No return accepted!! This software image is good for the following Raspberry PI models. Raspberry Pi 3 Model B Raspberry Pi 3 Model B+