Sparrow On-Board Unit

Onboard air-data measuring system for R/C aircraft with telemetry option.

  • $129.95
Call for availability

The “Sparrow” is one component of RC Electronics model aircraft telemetry system. The Sparrow is the
“on-board” unit intended to be used with the “Snipe / Finch” “Ground station” or with Jeti back-channel
link.  The Sparrow is designed to measure many parameters of an R/C model aircraft and transmit them
to the  ground via the telemetry channel working on 433 MHz frequency (Sparrof RF module needed) or
Jeti ExBus. The unit is capable of measuring sink/climb rate (Vario), altitude, noise level, servo pulse on
servo inputs, GPS data with 5Hz refresh rate and supply voltage. For storage it has external 8Gb SD card.


Various sensors all in one box
Build in GPS antenna
8 GB SD card for virtual unlimited space for logging
Latest MEAS technology sensors with high resolution and high sample rates.
Enl - Environment noise level detection to detect working electric, impeller or jet motor.
FHSS - Frequency Hopping Spread System on 433MHz telemetry channel to eliminate frequency
    conflicts – requires Sparrow RF module.
TEK vario is possible when TEK sensor is connected to the module
5 Hz GPS working with GNSS and Glonass global positioning satellites.
Various telemetry protocol supported over one of servo input (JetiEx, ...) 

Sparrow On-Board Unit
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