{"product_id":"bzgnss-bz-121-bz-181-bz-251-gps-module-ublox-m10050-dual-protocol-fpv-uav-fixed-wing","title":"BZGNSS GPS Module — BZ-121 \/ BZ-181 \/ BZ-251, u-blox M10050, Dual Protocol NMEA\/UBLOX, FPV FC \/ Fixed Wing \/ UAV","description":"\u003ch2\u003eBZGNSS GPS Module — BZ-121 \/ BZ-181 \/ BZ-251, u-blox M10050, Dual Protocol NMEA\/UBLOX\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBZGNSS BZ-121, BZ-181, and BZ-251\u003c\/strong\u003e are compact, high-accuracy GPS\/GNSS modules built around the \u003cstrong\u003eu-blox M10050 (10th-generation) chip\u003c\/strong\u003e for FPV drones, fixed-wing UAVs, and flight controller builds running Betaflight, iNav, ArduPilot, or similar firmware. All three variants support \u003cstrong\u003eGPS, GLONASS, BDS (BeiDou), GALILEO, SBAS, and QZSS\u003c\/strong\u003e simultaneous multi-constellation positioning with \u003cstrong\u003edual NMEA\/UBLOX output protocol\u003c\/strong\u003e, \u003cstrong\u003e10Hz update rate\u003c\/strong\u003e, and \u003cstrong\u003e1.5m horizontal positioning accuracy\u003c\/strong\u003e. The BZ-251 adds an integrated \u003cstrong\u003eQMC5883 compass\u003c\/strong\u003e. All modules operate on 5V and cover an operating temperature range of -40°C to +85°C.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eu-blox M10050 10th-Gen Chip\u003c\/strong\u003e — Latest-generation u-blox chipset; industry-leading acquisition sensitivity (-160dBm capture), tracking sensitivity (-162dBm), and multi-constellation support in a compact low-power form factor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6-Constellation GNSS Support\u003c\/strong\u003e — Simultaneous GPS L1 + GLONASS L1 + BDS L1 + GALILEO L1 + SBAS + QZSS; default joint positioning: GPS + GLONASS + BDS for fast, reliable 3D lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual NMEA \/ UBLOX Protocol Output\u003c\/strong\u003e — Compatible with Betaflight, iNav, ArduPilot, and any firmware accepting NMEA or UBLOX binary protocol; no configuration required for most FC stacks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10Hz Update Rate\u003c\/strong\u003e — Default 10Hz output frequency (configurable 1–10Hz); fast position updates for responsive GPS Return-to-Home, position hold, and rescue functions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.5m Horizontal Positioning Accuracy\u003c\/strong\u003e — 2D accuracy of 1.5m in open air; suitable for GPS hover, RTH, and waypoint navigation on FPV and UAV platforms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQMC5883 Compass — BZ-251 Only\u003c\/strong\u003e — Integrated magnetometer on the BZ-251 for heading reference; eliminates the need for a separate compass module on FC builds that support external mag\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltrathin Ceramic Antenna\u003c\/strong\u003e — Oil-spray coated ceramic patch antenna; scratch and oxidation resistant for long service life in field conditions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePPS Lock Indicator\u003c\/strong\u003e — Red PPS LED: no light when searching, flashes on 3D fix confirmation; TX LED on BZ-251 flashes to confirm data output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Temperature Range\u003c\/strong\u003e — -40°C to +85°C operating; -40°C to +105°C storage; suitable for demanding field environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVariant Comparison\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBZ-121\u003c\/strong\u003e — 12×16×4.5mm | 2.2g | PCB pad interface | Ultrathin ceramic antenna | No compass | Smallest\/lightest option for ultra-compact builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBZ-181\u003c\/strong\u003e — 18×18×4.8mm (6mm incl. terminal) | 6.9g | SH1.0 4-pin connector | Ultrathin or standard ceramic antenna | No compass | Mid-size with plug-and-play connector\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBZ-251\u003c\/strong\u003e — 25×25×5.4mm (6mm incl. terminal) | 11.6g | SH1.0 6-pin connector | Ultrathin or standard ceramic antenna | \u003cstrong\u003eQMC5883 compass included\u003c\/strong\u003e | Best for builds requiring integrated heading reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Specifications (All Variants)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip:\u003c\/strong\u003e u-blox M10050 (10th generation)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstellations:\u003c\/strong\u003e GPS L1, GLONASS L1, BDS L1, GALILEO L1, SBAS L1, QZSS L1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDefault Mode:\u003c\/strong\u003e GPS + GLONASS + BDS joint positioning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFLASH:\u003c\/strong\u003e Supported (configuration storage)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBaud Rate:\u003c\/strong\u003e 115200 bps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Protocol:\u003c\/strong\u003e NMEA \/ UBLOX (dual protocol)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Frequency:\u003c\/strong\u003e 1–10Hz (default 10Hz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSearch Channels:\u003c\/strong\u003e 72\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed Accuracy:\u003c\/strong\u003e 0.05m\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorizontal Accuracy:\u003c\/strong\u003e 2D ACC 1.5m (open air)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTracking Sensitivity:\u003c\/strong\u003e -162dBm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAcquisition Sensitivity:\u003c\/strong\u003e -160dBm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Altitude:\u003c\/strong\u003e 50,000m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Speed:\u003c\/strong\u003e 500m\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Acceleration:\u003c\/strong\u003e 4G\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to +105°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBetaflight (GPS Rescue, position hold)\u003c\/li\u003e\n\u003cli\u003eiNav (waypoint navigation, RTH, position hold)\u003c\/li\u003e\n\u003cli\u003eArduPilot \/ ArduCopter \/ ArduPlane\u003c\/li\u003e\n\u003cli\u003eAny flight controller accepting NMEA or UBLOX serial GPS input\u003c\/li\u003e\n\u003cli\u003eF4, F7 flight controller stacks with UART GPS port\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x BZGNSS GPS Module (BZ-121, BZ-181, or BZ-251 per selected variant)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BZGNSS","offers":[{"title":"BZ-121 GPS","offer_id":57207174824076,"sku":"14:29#BZ-121 GPS","price":31.0,"currency_code":"USD","in_stock":true},{"title":"BZ-251 GPS","offer_id":57207174856844,"sku":"14:10#BZ-251 GPS","price":35.0,"currency_code":"USD","in_stock":true},{"title":"BZ-181 GPS","offer_id":57207174889612,"sku":"14:366#BZ-181 GPS","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/2019\/2652\/files\/Sc5faacd4cc064f019a49c2a67ff5a3fcF.webp?v=1788993914","url":"https:\/\/thedroneflight.com\/products\/bzgnss-bz-121-bz-181-bz-251-gps-module-ublox-m10050-dual-protocol-fpv-uav-fixed-wing","provider":"TheDroneFlight","version":"1.0","type":"link"}