Elephant Collar Payload (primary battery)

Electronics

1. primary testing

2. add GPS antenna

3. GPS antenna tuning (1590 MHz in air)

4. add EMI shield (temporarily attached in one corner)

5. battery 6-pack/board assembly (6x Saft-17500)

6. add connectors (both boards; NOTE: the connectors should be soldered onto the board before the batteries)

7. remove all components from the top part of the board including antenova

8. add zero-ohm resistor next to antenova

9. add connector (RF coaxial 50 ohm / U.FL; position: con2)

10. LoRa antenna tuning

11. break off the charger

12. assembly

13. provisioning

Mechanics

Enclosure

1. plastic enclosure production

2. washing of the enclosure

3. aluminium lid production

Engraving

Collar

1. TPU leather flat belt production (BioThane Granite 280 TPU Coated Webbing, colour BL281)

2. width: 101 mm

3. length: 4.0 m

Assembly