range-test

Current Ground Record: 331km

• Range: 331km (205 miles)
• Record Holders: MartinR7 & alleg
• Source: reddit

Modem Settings

Default Very Long Slow

• Frequency: 868MHz
• Bandwidth: 62.5
• Spread Factor: 12
• Coding Rate: 4/8

Node A

• Device: RAK4631 Core+RAK19003+RAK1906+INA219
• Firmware Version: 2.3.6
• Antenna: 55cm collinear 868mhz (AliExpress)

Node B

• Device: RAK4631 Core+RAK19003+RAK1901
• Firmware Version: 2.4.2
• Antenna: RAKARJ17

Previous Ground Record: 254km

• Range: 254km (158 miles)
• Record Holders: kboxlabs
• Source: Meshtastic Discourse (archive)

Modem Settings

Default Long_Fast

• Frequency: 915MHz
• Bandwidth: 250
• Spread Factor: 11
• Coding Rate: 4/8

Node A

• Device: RAK4631 Core with RAK 5005-O Base Board
• Firmware Version: 2.1.17
• Antenna: 902-928MHz 5.8 dBi Slinkdsco Outdoor

Node B

• Device: RAK4631 Core with RAK 19003 Mini Base Board
• Firmware Version: 2.1.18
• Antenna: Standard LoRa 915MHz 60mm 2dBi Omnidirectional

Previous Record 166km

• Range: 166km (103 miles)
• Record Holder: PuzzledPancake
• Source: Meshtastic Discourse (archive)

Modem Settings

• Frequency: 868MHz
• Bandwidth: 125
• Spread Factor: 12
• Coding Rate: 4/8

Node A

• Device: LILYGO TTGO T-Beam w/ SX1262
• Firmware Version: 1.2
• Antenna: 868MHz 5dBi Antenna

Node B

• Device: LILYGO TTGO T-Beam w/ SX1262
• Firmware Version: 1.2
• Antenna: 868MHz Vertical 6dBi

Resources Used

• http://www.heywhatsthat.com

Current Air Record: 206km

• Range: 206km (128 miles)
• Record Holders: StarWatcher, CVR, rook, kboxlabs
• Source: Meshtastic Discourse (archive)

Modem Settings

Default Long_Fast

• Frequency: 915MHz
• Bandwidth: 250
• Spread Factor: 11
• Coding Rate: 4/8

Node A

• Device: LILYGO TTGO T-Beam
• Firmware Version: 2.1.10
• Antenna: Stock Antenna

Node B

• Device: LILYGO TTGO T-Beam
• Firmware Version: 2.1.10 (modified to place GPS in flight mode)
• Antenna: Stock Antenna