BLE 5.2 best-case latency is 7.5 ms is gated by its minimum connection interval. Wi-Fi 6/6E reaches ~7.6 ms under low-load conditions.

LE-UWB is not faster by degree. It operates in a different order of magnitude.
The reason is architectural. Narrowband systems must establish a carrier reference before data can flow that initialization window is non-negotiable and repeats on every transmission burst. LE-UWB’s impulse radio has no carrier to establish. A pulse is sent; the receiver detects it. Transmission begins in nanoseconds.

At 40.96 Mbps, airtime per 1 kbit drops to 50 µs. For systems where a missed timing window means a missed action for a robotic joint, a surgical tool, an XR frame it is a requirement, not a preference.

BLE 5.2 and BLE 6.0 top out at 2 Mbps at the PHY layer. Wi-Fi 6/6E reaches ~150 Mbps, but at +18.5 dBm TX power and 51 mA active current draw, placing it outside the power budget of any battery-constrained short-range device.

LE-UWB reaches 20.48 Mbps at the standard data rate configuration and upto 41 Mbps at maximum mode at 3 dBm/20 MHz TX power. High throughput without the power cost that makes Wi-Fi unsuitable for this class of device.

The throughput advantage follows from channel width. LE-UWB operates at 500 MHz or greater, more than 200× the 2 MHz channel width of BLE. Information capacity scales with bandwidth. Wider channel, more data per second, at the same transmit power.

TX power is where coexistence behaviour becomes legible. BLE 5.2 transmits at +8 dBm. Wi-Fi 6/6E at +18.5 dBm. These are the power levels that create congestion in dense RF environments with each device competing for the same spectrum at meaningful signal strength.

LE-UWB transmits at 3 dBm/20 MHz and low enough that BLE and Wi-Fi receivers register it as background noise, high enough to sustain 40.96 Mbps data rates and 200 µs latency simultaneously. It does not compete for spectrum. It coexists.

Power consumption is where the architectural advantage compounds most visibly against standard UWB.

BLE 5.2 at 0 dBm draws ~4.8 mA TX and ~4.6 mA RX. LE-UWB TX current is comparable to BLE while operating at a fraction of the latency and a multiple of the throughput.

Deep sleep current of 920 nA–1.1 µA makes duty-cycled and energy-harvesting configurations practical. A device that transmits in short high-throughput bursts and sleeps between them can sustain operation on a small battery or harvested energy source; a deployment profile that standard UWB’s 140 mA TX current makes impossible.

Robustness means two things: the ability to decode a weak signal reliably, and the ability to maintain link integrity in a real-world RF environment with multipath and interference.

On raw receive sensitivity, BLE 5.2 reaches −95 dBm at 1 Mbps, where as LE-UWB sensitivity sits at −75 dBm (SR1020) and −81 dBm (SR1120). The comparison in absolute figures favours BLE; but sensitivity is one input into link budget, not the whole picture.

The full picture includes TX power, channel conditions, and multi-path behaviour. LE-UWB’s impulse architecture does not rely on phase to decode data. Where BLE and Wi-Fi receivers are vulnerable to the phase distortions that multi-path reflections introduce, LE-UWB’s receiver detects energy presence within a time window. Reflections add energy rather than corrupting the signal. In dense environments; industrial floors, operating theatres, warehouses and this is the robustness metric that matters.