Mtk GPS Glonass Beidou Low Price Smallest Tracking GPS Rtk Module

• Chip: At6558f-5n32
• Support Network: GPS
• Warranty: 1 Year
• Frequency: Bds/GPS/1.5611-1.57542GHz
• Protocol: Nmea 0183
• Dimensions: 28 * 28 * 8.6 mm
• Model NO.: QFL4GZ5F
• Channel: 56CH
• Positioning Mode: GPS+Beidougps+ Bd (Def), GPS+Bd+ Glonas(Opt)
• Trademark: Qianfeng
• Origin: Shenzhen Guangdong
• HS Code: 85269120
• Production Capacity: 50000pieces/Month

Product Description

Specification

Chip Characteristics
Model number	QFL4GZ5F
Chip	AT6558F-5N32
Frequency	BDS/GPS/1.5611-1.57542GHz
C/ A code	1 . 023MHz code stream
Protocol	NMEA 0183
Baud rates	4800, 19200, 38400, 57600, 115200bps (default 9600 baud rate)
Channel	56 channels
SWR	S11 ≤ 1.3
SWR	S22≤1.3
Log Mag	S21≥ 20.0dB
Smith	S11 :50Ω±5%
Sensitivity	Tracking:-162dBm Capture:-148dBm
Cold Start	Average 35 seconds
Cold Start Sensitivity	-148 dBm
Warm start	Average 10 seconds
Hot start	Average 1 sec
Hot start sensitivity	-156 dBm
AGPS [Network Aided Ephemeris Data]	3 s [ average ]
Positioning accuracy	< 5m

(CEP, 50%, static at 24 hours, signal strength -130 dBm, approx. 6 available satellites)
Timing precision	30 ns
Direction	< 0 . 5Degrees
Reference coordinate system	W G S - 84
Rate	< 0 . 1 m / s
Maximum height	50,000m
Standard Clock Pulsation	0 . 2 5 H z ~ 1 K H z
Maximum speed	515 m/s
Maximum acceleration	<= 4G
Update frequency	1 - 10 Hz (default 1 Hz)
Port interface	U A RT: 232/TTL [ default ]
Output statements	NMEA 0183 V3.0 (GGA, GSA, GSV, RMC, VTG, GLL) protocol data
Physical properties
Dimensions	28.0mm * 28.0mm * 8.6mm
Interface	4pin connector default (VCC/TX/RX/GND) (6pin compatible with PPS output, is EN capable)

Power supply
Input Voltage	Wide voltage range : Mains supply + 3 . 3 V ~ + 5.5 V
Operating current	30Ma
Standby voltage	1.8~3.6VDC
Working environment
Humidity range	5% to 95% non-condensing
Operating temperature	-40 to +100 ºC
Storage temperature	-55 to +100 ºC

Features

1.Industry standard 25*25*4mm high sensitivity GPS antenna

2.Uses 0.5PPM high precision TCXO
 

3.Built-in RTC crystal and Piffa capacitor for faster hot start
 

4.Built in LNA, low noise signal amplifier
 

5.Compatible with AT6558F/R chip, built-in FLASH, supports warm start

6.1-10Hz positioning update rate

7.Supports A-GPS services such as Assist Now Online and Assist Now Offline

8.Positioning mode: GPS+BeiDouGPS+ BeiDou (default), GPS+BeiDou+ GLONASS(optional)

Product applications

GPS for PDA, Pocket PCs and other portable devices

Track and trace products such as personal positioning and car positioning

Mapping products such as area measurement and distance measurement, mu meters

Law enforcement recorder, car recorder, advertising machine, external antenna, etc

Track recording and GPS/Beidou data point calibration products.

Company Introduction Introduction

FAQ
1. who are we?
We are based in Guangdong, China, start from 2005,sell to North America(50.00%),Western Europe(20.00%),South
America(20.00%),Eastern Europe(10.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment.

3.what can you buy from us?
gps module

4. why should you buy from us not from other suppliers?
- self-owned R& D team for hardware and software

- self-owned antenna GPS factory ( sintering- debugging

- mass production) -self-owned assembly factory

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,PayPal;
Language Spoken:English,Chinese.