EC200U-CN LTE 4G GNSS Nano Modem - 7Semi
- Product SKU: R1177
- Category: Arduino Ecosystem, Cables & Connectivity, Intermediate Projects, Jumpers - Wires - Cables, Premium ₹1500+, Wireless & IOT, Wireless Module, Wireless-Iot
EC200U-CN LTE 4G GNSS Nano Modem - 7Semi
The 7Semi EC200U-CN LTE 4G GNSS Nano Modem combines next-gen wireless connectivity with a form factor no bigger than a coin (just 35.25 x 33.5 mm).
Built around Quectel’s EC200U-CN Cat 1 module, it offers rock-solid 4G LTE and GNSS performance straight out of the box. This modem supports LTE-FDD, LTE-TDD, and GSM/GPRS networks for flexible deployment across IoT and M2M use cases.
It provides precise positioning even in difficult situations with support for GPS, GLONASS, BeiDou, Galileo, and QZSS. Its high-gain 4G antenna (700–2700 MHz) with coaxial IPEX connector and 3M adhesive backing guarantees hassle-free installation and ensures you are always connected.
Built for high performance in demanding situations, the EC200U-CN modem is a small but strong solution ideal for smart metering, fleet tracking, industrial control, wireless POS, or even mobile computing projects.
Features
- Supports multiple LTE-FDD and LTE-TDD bands for high-speed wireless communication.
- Download speeds up to 150 Mbps and upload speeds up to 50 Mbps, ideal for real-time applications.
- Supports GPS, GLONASS, BeiDou, Galileo, and QZSS for accurate positioning and navigation.
- Measures just 35.25mm x 33.5mm, perfect for space-constrained designs.
- Easy configuration and control for developers and engineers.
- Ideal for industrial automation, remote monitoring, mobile computing, fleet management, and asset tracking.
- Operates via micro-USB or external power supply, offering flexible integration.
- Comes with a high-gain antenna (700–2700 MHz) with IPEX connector and 3M adhesive for easy mounting.
- Standalone operation with direct PC/Laptop connectivity—no additional hardware required.
- Maintains accurate GPS/GNSS tracking even in urban or obstructed areas.
7Semi EC200U-CN LTE 4G GNSS Nano Modem Dimensions

Specifications
| EC200U-CN LTE 4G GNSS Nano Modem Specifications | |
|---|---|
| Power Supply | 5V USB |
| Frequency Bands | LTE-FDD: B1 / B3 / B5 / B8 LTE-TDD: B34 / B38 / B39 / B40 / B41 GSM: 900 MHz / 1800 MHz |
| GNSS Support | GPS, GLONASS, BeiDou, Galileo, QZSS |
| SIM Support | Compatible with Nano SIM |
| Data Rates | 10 Mbps Downlink, 5 Mbps Uplink |
| Interface Options | Micro-USB (standalone), UART for Raspberry Pi (optional) |
| Power Management | High-efficiency regulation; power can be disabled for low-power use cases |
| Operating Temperature | -40°C to 80°C |
| GPIO Functions | Airplane Mode, Reset, RI, DTR via GPIO pins |
| Antenna Specifications | |
| Frequency Range | 700–2700 MHz |
| Gain | 8 dBi (internal antenna) |
| VSWR | ? 1.8 |
| Impedance | 50 Ohm |
| Material | Radiator FPC |
| Antenna Size | 52 x 24 mm |
| Dimensions (LxWxH) | 3.8 x 3.4 x 0.7 cm |
| Weight | 13 gm |
| Cable Type | 1.13 coaxial cable |
| Connector Style | IPEX (u.FL equivalent) |
| Polarization | Vertical |
| Power Handling | 30 W |
| Mounting | 3M Sticker |
EC200U-CN LTE 4G GNSS Nano Modem - 7Semi
The 7Semi EC200U-CN LTE 4G GNSS Nano Modem combines next-gen wireless connectivity with a form factor no bigger than a coin (just 35.25 x 33.5 mm).
Built around Quectel’s EC200U-CN Cat 1 module, it offers rock-solid 4G LTE and GNSS performance straight out of the box. This modem supports LTE-FDD, LTE-TDD, and GSM/GPRS networks for flexible deployment across IoT and M2M use cases.
It provides precise positioning even in difficult situations with support for GPS, GLONASS, BeiDou, Galileo, and QZSS. Its high-gain 4G antenna (700–2700 MHz) with coaxial IPEX connector and 3M adhesive backing guarantees hassle-free installation and ensures you are always connected.
Built for high performance in demanding situations, the EC200U-CN modem is a small but strong solution ideal for smart metering, fleet tracking, industrial control, wireless POS, or even mobile computing projects.
Features
- Supports multiple LTE-FDD and LTE-TDD bands for high-speed wireless communication.
- Download speeds up to 150 Mbps and upload speeds up to 50 Mbps, ideal for real-time applications.
- Supports GPS, GLONASS, BeiDou, Galileo, and QZSS for accurate positioning and navigation.
- Measures just 35.25mm x 33.5mm, perfect for space-constrained designs.
- Easy configuration and control for developers and engineers.
- Ideal for industrial automation, remote monitoring, mobile computing, fleet management, and asset tracking.
- Operates via micro-USB or external power supply, offering flexible integration.
- Comes with a high-gain antenna (700–2700 MHz) with IPEX connector and 3M adhesive for easy mounting.
- Standalone operation with direct PC/Laptop connectivity—no additional hardware required.
- Maintains accurate GPS/GNSS tracking even in urban or obstructed areas.
7Semi EC200U-CN LTE 4G GNSS Nano Modem Dimensions

Specifications
| EC200U-CN LTE 4G GNSS Nano Modem Specifications | |
|---|---|
| Power Supply | 5V USB |
| Frequency Bands | LTE-FDD: B1 / B3 / B5 / B8 LTE-TDD: B34 / B38 / B39 / B40 / B41 GSM: 900 MHz / 1800 MHz |
| GNSS Support | GPS, GLONASS, BeiDou, Galileo, QZSS |
| SIM Support | Compatible with Nano SIM |
| Data Rates | 10 Mbps Downlink, 5 Mbps Uplink |
| Interface Options | Micro-USB (standalone), UART for Raspberry Pi (optional) |
| Power Management | High-efficiency regulation; power can be disabled for low-power use cases |
| Operating Temperature | -40°C to 80°C |
| GPIO Functions | Airplane Mode, Reset, RI, DTR via GPIO pins |
| Antenna Specifications | |
| Frequency Range | 700–2700 MHz |
| Gain | 8 dBi (internal antenna) |
| VSWR | ? 1.8 |
| Impedance | 50 Ohm |
| Material | Radiator FPC |
| Antenna Size | 52 x 24 mm |
| Dimensions (LxWxH) | 3.8 x 3.4 x 0.7 cm |
| Weight | 13 gm |
| Cable Type | 1.13 coaxial cable |
| Connector Style | IPEX (u.FL equivalent) |
| Polarization | Vertical |
| Power Handling | 30 W |
| Mounting | 3M Sticker |
Return Policy Overview
At ROBODIUM™, we want you to be completely satisfied with your purchase. You may return most items within 7 days of delivery for a full refund or exchange.
Return Window
- Standard Returns: 7 days from delivery date for any reason, including if you simply changed your mind.
- Defective/Damaged Items: 7 days from delivery date for items received damaged or defective.
- Manufacturing Defects (Warranty): 15 days from delivery for manufacturing defects, unless a different warranty period is specified on the product page.
What Can Be Returned
Most items sold on ROBODIUM™ can be returned within the return window, including:
- Items you no longer need or changed your mind about
- Products received in damaged condition
- Items with manufacturing defects
- Wrong items received (item mismatch)
- Missing components inside the package
Return Conditions
To be eligible for a return, items must be:
- In their original, unused condition
- In the original packaging with all accessories, manuals, and free gifts (if any)
- Accompanied by proof of purchase
Note: Products damaged due to misuse, modification, static discharge, soldering, or improper handling may not be eligible for return.
How to Initiate a Return
- Contact us via email at support@robodium.com or call +91 8123109966
- Provide your order number and reason for return
- Submit photos/videos of the item (especially for damaged/defective products)
- Our team will review and approve your return request within 1-2 business days
Return Pickup Process
We arrange the return pickup for you - hassle-free returns similar to major e-commerce platforms.
- Once your return is approved, we will coordinate pickup from your location.
- Pack the product securely in its original packaging.
- Include a copy of the order confirmation or packing list.
- Keep the package ready - our logistics partner will collect it at the scheduled time.
Return Shipping Costs
- Defective, damaged, or wrong items: ROBODIUM™ covers all return shipping costs. No charges to you.
- Change of mind returns: A flat return shipping fee of ₹100 will be deducted from your refund amount.
Refund Process
- Refund Method: Refunds are processed to your original payment method.
- Processing Time: 5-7 business days after we receive and inspect the returned item.
- Refund Amount: Full purchase price minus any applicable return shipping fees.
- Orders canceled before shipping receive a full refund (minus up to 5% payment gateway charges, if applicable).
Replacements
- Once the returned item is inspected and approved, we ship the replacement at no additional cost.
- Replacement items are dispatched within 2 business days of receiving your return.
- If replacement is unavailable, we provide a full refund.
Warranty Terms
All products include a minimum 15-day warranty against manufacturing defects unless otherwise specified on the product page.
Warranty does not cover: misuse, soldering damage, modifications, physical damage, or incorrect electrical connections.
Order Cancellations
- Orders in Pending or Payment Verification status can be canceled for a full refund.
- Contact us immediately at support@robodium.com to cancel before shipping.
- Once an order is shipped, it cannot be canceled but can be returned after delivery.
Customer Service Commitment
- Email Response Time: Within 24 hours on business days
- Phone Support: Monday-Saturday, 10:00 AM - 6:00 PM IST
- Return Request Review: 1-2 business days
- Issue Resolution: Within 48 hours of verification
Need Help?
For any return, refund, or warranty questions, contact us:
📞 +91 8123109966 (Mon-Sat, 10 AM - 6 PM IST)
✉️ support@robodium.com
Last updated: January 2026
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