| Data collection | * HP iPAQ 211 PDA - | $200 USD | Android smartphone | $200 USD | 
|  | * Compact Flash GPS | $30 USD |  |  | 
|  | * Secure Digital | $20 USD |  |  | 
|  | * Laptop | $300 USD |  |  | 
| Data transmission to central server | Wired Internet connection following synchronization to laptop | $0 | Cellular data service or Wi-Fi connect | $5–$10/month/phone ($0 if Wi-Fi used) | 
| Average equipment cost per project (assumes 5 data collectors) |  | $4,000 |  | $1,000 | 
| Central server | Microsoft Windows 2000 running Microsoft SQL Server 5.0 | $10,000 USD software and hardware | Amazon Elastic Cloud Ubuntu running all open source software | $6,000 USD/year | 
| Typical number of days needed for training | 5 |  | 2 |  | 
| Replacement equipment | Shipped from central office |  | Locally procured |  | 
| Training time (per diem costs) | 5 days | ∼$5,000 USD | 2 days | ∼$2,000 USD | 
| Redeployment | Equipment needed to be shipped back to central office for reprogramming and software installation before shipping to next project site | ∼$1,000 USD | Ship directly to next project site | ∼$500 USD |