GPS Module VK2828U7G5LF (V-Kel)

Description: Standard 25254MM high sensitivity GPS antenna UART/TTL,232 optional interface adopt KDS 0.5 PPM High Precision TCXO Built-in SQI Flash Built-in RTC crystal and Picofarads capacitance.faster hot root Built-in LNA,Low-noise amplifier 1-10Hz Support AssistNow Online and AssistNow Offline GPS,GLONASS,GALILEO,SBAS(WAAS,EGNOS,MSAS,GAGAN) Hybrid Engine

Features: Chip:U7 C/A code,1.023MHz Stream receive frequency:L1 [1575.42MHz] receive channel:56CH S11 SWR: < =1.3 S11 Smith:50Ohm+(-)5% S21 Log Mag:> =20.0dB S22 SWR:< =1.3

Location Performance: <2.5m[Autonomous][50%] <2m[SBAS] rate:<0.1m/s direction:<0.5 Degrees Timing accuracy:30ns Reference coordinate system:WGS-84 Maximum altitude:50,000 m Acceleration:<4g Tracking sensitivity:-162dBm catch sensitivity:-160dBm root time:29s (in average) warm root time:28s(in average) hot root time:1s(in average) AGPS:3s