Bluetooth Transceivers: Radio Range, Antennas, and Link Budgets
Yenra working checklist | September 18, 2026
https://yenra.com/bluetooth-transceiver/

Purpose: Read transmitter power and receiver-sensitivity specifications and understand why a complete installed radio link needs testing.
Use with the linked guide and exact product documentation. This is a blank working record; hypothetical examples are labeled and are not measurements of your equipment.

Date: __________________________
Equipment/models and OS/firmware: __________________________
Starting task or symptom: __________________________

1. Record both radios, firmware, PHY/data rate, transmit power, sensitivity criterion, antennas and enclosures.
Result / evidence: __________________________

2. For each direction list transmit power (dBm), both antenna gains (dBi), other loss (dB), path loss assumption (dB), and sensitivity (dBm).
Result / evidence: __________________________

3. Calculate received power = transmit power + TX gain + RX gain - other loss - path loss. Margin = received power - sensitivity.
Result / evidence: __________________________

4. Hypothetical check: 4 - 2 - 2 - 3 - 70 = -73 dBm; margin versus -96 dBm = 23 dB. Another 15 dB loss gives -88 dBm and 8 dB margin. This does not predict distance.
Result / evidence: __________________________

5. Define application success and log placement, orientation, traffic, received/missing records, delay and recovery using the final enclosure.
Result / evidence: __________________________

Decision / next action / owner: __________________________

Scope: The link-budget values are hypothetical, not measured specifications. No range or regulatory approval is claimed for a physical design.

References:
https://www.bluetooth.com/learn-about-bluetooth/tech-overview/
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/range/
https://www.silabs.com/support/training/rf-performance-in-iot-end-devices