The year of 2011
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Newly developed Zond-12e Advanced GPR system has expanded features:
1. Dual channel
2. Built-in battery
3. Built-in Wi-Fi access point for wireless communication
4. Bidirectional wheel
5. User selected sample rate (128, 256, 512, 1024 samples per scan) accordingly max scan rate changes (320, 160, 80, 40 scans per second)
6. Leather back pack.
All detailed information you can find here...