# TTN Siechnice transmission record over 42km at SF7

> On 14th of June 2018 we hit above 42[km] of transmission from 2[m] above the ground We hit the record by transmitting an unconfirmed packet using our LoRaWAN te

- Type: Community update
- Community: [The Things Network Siechnice](https://www.thethingsnetwork.org/community/siechnice/)
- Author: Grzegorz Kaczmarek
- Published: 2018-06-18
- Web page: https://www.thethingsnetwork.org/community/siechnice/post/ttn-siechnice-transmission-record-over-42km-at-sf7

### On 14th of June 2018 we hit above 42[km] of transmission from 2[m] above the ground

#### We hit the record by transmitting an unconfirmed packet using our LoRaWAN tester/tracker (which is still under development) in a car on the move with antenna mounted on its roof and pointing straight up.

![file](https://www.thethingsnetwork.org/media/md_editor/image-1529361459840.large.png)

Our transmission took place on a S5 road near Zmigrod city from where we were lucky to reach one of the Wroclaw's gateway.

#### Node side:

```
* location: S5 road near Zmigrod city
* antenna: 3[dBi] mounted on car's roof
* chip: IMST iM881A
* spreading factor = SF7
* TX power = +14[dBm]
* error coding = 4/5
* bandwidth = 125[kHz]
* connection type: unconfirmed
```

#### Gateway side:

```
* location: Wrolcaw, Wittiga
* EUI: 1234567891ABCDEF
* RSSI = -122[dBm]
* SNR = -8.80[dB]
```