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Byonics GPS Receivers

Byonics GPS receivers are 5-volt, WAAS enabled, WGS84, output 4800 baud NMEA 0183 serial and employ the SiRFStarIII chipset tracking up to 20 satellites. They are compatible with the TinyTrak3Plus, TinyTrak4, and most Micro-Trak transmitters, all of which provide the 5V to power the GPS directly. They have a female DB-9 connector interface on a 6 foot cable, and the cases are weather resistant so they are fine in the rain, snow and sun, and contain a magnet to be easily mounted outside a vehicle. However, they are sensitive enough to work well even indoors.

A blue LED is inside the case that is on solid then aquiring, and flashes once synced to the satellites. DB-9 pinout is 2:GPS data out (RS-232), 3:GPS data in (not normally used), 4:+5V power input, 5:ground. Current draw is about 40mA. NMEA sentences sent each second: $GPGSA, $GPRMC, $GPGGA, $GPGSV. Accuracy is approx. 5 meters with WAAS. Acquisition times are: Cold Start: 42 sec (avg), Warm Start: 38 sec (avg), Hot Start: 1 sec (min). Sensitivity is Acquisition:-148dBm, Tracking:-159dBm.

Note: These are 5 volt GPS receivers, and should never be connected directly to a 12V power supply. They can be connected directly to a TinyTrak3Plus (if J7 is set for 5V), a TinyTrak4 (if JP6 is set for 5V) or a Micro-Trak RTG, as these will regulate their supply voltage down to 5V to power a GPS. For use with a TinyTrak3 (non-Plus), a computer serial port, or other devices, please consider the GPAC 12V Power Adapters below.

Add To Cart Byonics GPS5 - $69
Our most popular GPS receiver. Works at altitudes up to 18KM. Also available as just the GPS module below.

Add To Cart Byonics GPS4 - $79
Same as the GPS5, but intended for high altitude ballooning. Works at altitudes up to 84KM. Also available as just the GPS module below.

Add To Cart Byonics GPS5OEM - $64
This is the receiver module found inside the GPS5 (no case or DB-9 cable). Works at altitudes up to 18KM. It weighes 0.5oz, comes with a 3" interface cable and outputs both TTL and RS-232. Wiring is 1:black:ground, 2:red:3.3V to 5V DC power, 3:yellow:TTL data from GPS, 4:white:RS-232 data to GPS, 5:green:RS-232 data from GPS, 6:blue:TTL data to GPS. Size is 30mm x 30mm x 7.8mm. Weight with cable 15g / 0.5 oz.

Add To Cart Byonics GPS5HAOEM (previously called GPS4OEM) - $74
Same as the GPS5OEM, but intended for high altitude ballooning. Works at altitudes up to 84KM. MANUAL


GPS Accessories

Add To Cart GPAC - GPS 12V Adapter - $25
Cigarette lighter plug and DB-9 female, compatible with computer serial ports, scanners, TNCs, etc. Cigarette lighter plug contains a 5V regulator to power the GPS.


Add To Cart GPAKP - GPS 12V Adapter for Kenwood - $25
Powerpole connector with output to a 2.5mm (3/32") TRS stereo plug. Use this to connect a Byonics GPS above to the Kenwood TM-D710A, TM-D700A, and TH-D7A radios. Also compatible with Yaesu radios with 2.5mm GPS connector. Male DB-9 shell contains a 5V regulator to power the GPS. GPS serial data is present on the 2.5mm ring connector.

Add To Cart GPAIP - GPS 12V Adapter for Icom - $25
Same as above, but wired for serial to the 2.5mm tip instead of ring. Compatible with Icom IC-7100 and ID-5100A. Not compatible with the ID-51A


GUA cables out of stock.

The GUA uses the Prolific chipset, so your computer may already have the necessary drivers. If not, use this Windows 2000/XP Driver or this Windows Vista/7 Driver.

Add To Cart TinyTrak to Deluo Adapter - $5 This adapter will allow the TinyTrak3Plus or TinyTrak4 to connect to and power the old Deluo 5-volt GPS recevier that had the 6 pin mini din interface.