• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Taiwan
  • Brand Name: MTK
  • Model Number: Gms-G9
  • GPS Solution: MTK MT3333, 99 Channels
  • Frequency: GPS L1, 1575.42MHz
  • Frequency2: GLONASS L1, 1598.0625~1605.375MHz
  • Frequency3: GALILEO E1, 1575.42MHz (On request)
  • Position Accuracy: Without aid: 3.0 m (50% CEP)
  • AGPS: Supported (Offline Mode & Host Aiding Mode)
  • Interface: 1 UART
  • Power Supply: VCC: 3.0 V to 4.3 V,VBACKUP: 2.0 V to 4.3 V

Packaging & Delivery

Packaging Details Original package
Delivery Time 2~3 days

    Gms-g9 is an ultra-compact POT (Patch On Top) GNSS module with a built-in GLONASS + GPS patch antenna. It utilizes MediaTek's new generation GNSS chipset "MT3333" supporting various location and navigation applications including autonomous GPS, GLONASS, GALILEO (on request), QZSS, SBAS, DGPS (RTCM) and AGPS. Up to 210 PRN channels with 99 search channels and 33 simultaneous tracking channels are supported.

This chipset has the industry’s highest level of sensitivity (-165dBm) as well as instant Time-to-First Fix (TTFF). It also integrates many advanced features including AlwaysLocate™, EASY™, EPO™ and logger function.



  • MediaTek MT3333 Chipset, 33 tracking/ 99 acquisition-channel GPS/GLONASS/GALILEO receiver
  • Dimension 19.5 x 19.5 x7.2 mm; SMD
  • Ultra-high Sensitivity, -165dBm, TCXO Design
  • Gtop Firmware Customization Services
  • GPS+GLONSS Consumption current (@3.3V)
  • Acquisition for GPS+GLONASS: 35mA Typical
  • Tracking for GPS+GLONASS: 29mA Typical
  • E911, RoHS Compliance

Software Solution

  • Multi-tone active interference canceller
  • 1PPS
  • AGPS support for Fast TTFF
  • EASY
  • AlwaysLocate (Advance Power Periodic Mode)
  • Embedded Logger function
    (All features subject to change without notice)


Dimension19.5 x 19.5 x 7.2 mm, SMD type
GPS SolutionMTK MT3333, 99 Channels
FrequencyGPS L1, 1575.42MHz
GLONASS L1, 1598.0625~1605.375MHz
GALILEO E1, 1575.42MHz (On request)
SensitivityAcquisition -148 dBm
Tracking -165 dBm
Position AccuracyWithout aid: 3.0 m (50% CEP)
TTFF (Time to First Fix)Cold Start: <35 Seconds (Typical)
Warm Start: <33 Seconds (Typical)
Hot Start: <1 Seconds (Typical)
Timing Accuracy (1PPS Output)±10 ns RMS
AGPSSupported (Offline Mode & Host Aiding Mode)
Interface1 UART
Power SupplyVCC: 3.0 V to 4.3 V
VBACKUP: 2.0 V to 4.3 V
Current ConsumptionAcquisition: 35 mA
Tracking: 29 mA
Working Temperature-40 °C to +85 °C




Packaging & Shipping

Package : With Inner vacuum package & anti-static bag & individual and out carton.


Shipping : 1) Door to Door service by air -DHL, Fedex, UPS, TNT,EMS.Aramex. Advantage: Fast delivery time.
                   2) Sea transportation: Most cost-effective
                   3) Register post: China & HK register post for sample shipping, weight should be within 5kg.




Our Services



Company Information


About us


AND Technologies Co., Ltd (buypcba.com) Is a leading electronics solutions manufacturing company with the capability to cater to a wide segment of contract manufacturing services from electronic assembly of Printed Circuit boards to production of complete ready to ship products.


AND Technologies Co., Ltd (buypcba.com) is an ISO 9001:2008 Certified company. We are dedicated to produce quick-turn & Prototype, small to middle volume PCBs&PCBAs. It was founded in 2007, the factory is located in Shenzhen Special Economic Zone of south China, occupies 2000 sq. meters production area, with 200 skilled employees working in two shifts.We have 4 SMT lines with FUJI SMT machine, 10 temperature zones reflow oven,AOI,X-RAY and BGA rework machine.Our products were widely used in high-tech industries such as telecom, computer, industry control, consumer electronics,


For every order, our team of engineers and PCB assembly experts provides DFM (Design for Manufacturing) and DFT (Design for Testing) consulting services, which are necessary during the pre-production stage to ensure a high quality production run at the lowest possible cost. To enable us to save the valuable time and money of our customers, we diligently check all specifications, such as the bill of materials (BOM) and Gerber files, to ensure all problems associated with pre-production PCB designs are discovered and resolved to avoid problems during volume production runs.


Our full range of service offering includes:


Whatever your one stop PCB assembly requirements, you’ll find what you’re looking for at AND.



Q: What is your Lead time?
A: GSM GPS GLONASS Module & Accessories: 1~2 days for trail order
                                                                                      5~10 days for mass production order
A: PCB: 2 days for prototype
              5~7 days for mass production
A: PCB Assembly: 1 week for prototype
                                 3 days for Mass production


Q: What is your testing policy and how you control the quality?
A: GSM GPS GLONASS Module & Accessories: Original Brand, testing 100%
A: PCB & PCBA: For sample, usually tested by flying probe;
                              for PCB Volume over 3 square meters, usually tested by fixture, this will be more faster.
                              Due to there's many steps to PCB production, we usually do inspection after every step.


Q: What is your certificate?
A: ISO9001, UL, RoHS, CE,FCC


Q: What is your package?

A: With Inner vacuum package & individual and out carton.


Q: Can I visit your factory?
A: Yes, of course you are welcome to visit us. Please inform us of your visit in advance.


Q: How long will it take to get a quote?
A: Once we have received the above information, we can usually reply to a quote within 48 hours or less.


Q: How to order?
A:1. please tell us what model and quantity you need.
   2. We will make a PI for you to confirm the order details.
   3. Checking the PI and confirm for us, we will arrange the production ASAP when payment received.
   4. Will take photos for you to confirm and deliver the goods soon.
   5. Send the tracking number to you and track the goods until you get it.
   6. For trail order, welcome directly make an order from our store of aliexpress:


Q: What is the guarantee of our products?
A: 1) A year warranty;
    2) Warranty service will be honored if the damage is not caused by human;
    3) Pls send back the defective goods within the warranty period.


Payment Method

Paypal, bank transfer, MoneyGram, Western Union, Escrow




Contact Me



Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland)
Transaction Level:
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $32,000
Learn More