Symptoms of gain too high: BLE count = 0, all bursts fail decode (ADC saturation clips the waveform so preamble/AA correlation fails). Fix: lower -g. Symptoms of gain too low: Low CRC pass rate (< 50% ...

The aim of this archive is to show an example of AT Command set for BLE. The project currently supports ISP1507-AX, ISP1907-LL, ISP1907-HT and ISP1807-LR modules ...

Abstract: Location-based service (LBS) provides users with personalized experience. With the latest Bluetooth low energy (BLE) technology, switched antenna array and constant tone extension (CTE) are ...

Abstract: The lifetime of a UAV-assisted wireless network is determined by the amount of energy consumed by the UAVs during flight, data collection, and transmission to the ground station. Routing ...

Investigators searching for Nancy Guthrie are deploying advanced signal-detection technology as the case enters its third week. The device, known as a “signal sniffer,” is designed to locate ...

Investigators are using a tracking device called a "signal sniffer" that can detect signals emitted from electronic devices as the search for Nancy Guthrie continues in its third week. David Kennedy, ...

(NewsNation) — Investigators are using a signal sniffer device in the search for Nancy Guthrie, in hopes of detecting a signal from her pacemaker. Guthrie’s pacemaker disconnected from her phone in ...

As the search for "Today Show" host Savannah Guthrie's mother, Nancy, enters its third week, new evidence in the form of a glove was found near her home. The family has been ruled out as suspects in ...

The “ethical hacker” who created the Bluetooth “signal sniffer” being used to try to track Nancy Guthrie’s pacemaker said he created the high-tech tool specifically for the search for the missing ...

The relatively compact device was on one of the skids of a Pima County, Arizona, Sheriff Department helicopter that was seen flying low over the Tucson area, NewsNation senior national correspondent ...

Guthrie’s pacemaker disconnected from her phone in the hours before she was reported missing on Feb. 1, and law enforcement officers have deployed the signal sniffer as the search has entered a third ...

Authorities are attempting to use the device to detect the signal on Nancy's pacemaker over two weeks after she was reported missing Savannah Guthrie/Instagram Nancy Guthrie was reported missing on ...