Figure 1. The LORA module to the base and terminating modules

This module is a plastic frame is blue, which are fastened by means of screws special printed circuit Board (Fig. 2) with two connectors 2 on 15, the antenna and the wireless module LORA Ra-02 (Fig. 3).
On the frame on the right side (Fig. 4) embossed inscription LORA and seizure under a flat-blade screwdriver for easy removal of a module, because due to connector 2 of 15 modules are kept pretty tight.
This module is designed to organize low-speed data transmission at frequencies 410-525 MHz at a relatively large distance from 1 (within city limits) to 10 km (in open areas) with low power consumption.

Figure 2. View of module top

Figure 3. The module on the back side

Figure 4. The module side