Edu-Logger-Data-Logger-RF-module-Edu-Lab-900-216-p-The-RF-Communication-module-allows-remote-operation-of-a-single-sensor-or-a-chain-of-sensors-The-remote-single-sensor-or-chain-is-connected-to-an-RF-Communication-module-&-to-a-Battery-Module-which-powers-them-all-p-p-Another-RF-Communication-module-should-be-connected-directly-to-the-Monitor-Display-Unit-or-to-the-computer-via-the-USB (Universal Serial Bus)-module-More-than-two-units-can-be-used-to-cater-for-more-chains-of-sensors-or-more-independent-sen