M66 mini Development Board Description
The M66 Mini DB is a compact and portable board designed specifically for breadboard. The main equipped modules are the M66 Mini DB series wireless communication modules. M66 Mini Development Board (MiniDB) can greatly assist you in experimenting, testing, designing, and generally speeding up the learning and product design processes, freeing your mind from getting bogged down with peripheral technical issues.
This development board is designed for the M66 module from Quectel, allowing you to quickly set up the module and familiarize yourself with its capabilities. M66 is an ultra-small quad-band GSM/GPRS module using LCC castellation packaging. Based on the latest 2G chipset, it delivers optimal performance in SMS and data transmission and audio services even in harsh environments. Its ultra-compact profile (15.8 mm × 17.7 mm × 2.3 mm) makes it a perfect platform for size-sensitive applications.
M66 mini Development Board Features
- Ultra-compact size: 15.8 mm × 17.7 mm × 2.3 mm
- Quad-band GSM/GPRS: Reliable global 2G connectivity
- Optimized SMS & data transmission: Robust performance in challenging conditions
- Audio service support: Clear audio performance in harsh environments
- Surface-mount technology: Suitable for durable, rugged designs
- LCC castellation package: Easy embedding into constrained spaces and suited for high-volume manufacturing
M66 Module Specifications
| Category | Parameter | Value / Details |
|---|---|---|
| Frequency Band | Quad-band | 850 / 900 / 1800 / 1900 MHz |
| Data | GPRS Class 12 | Max. 85.6 kbps (Downlink) Max. 85.6 kbps (Uplink) |
| Coding Schemes | CS 1, 2, 3, 4 | |
| USSD | Mode | Non-transparent Mode |
| SMS | Supported Types | Point-to-point MO and MT SMS Cell Broadcast |
| Format | Text and PDU Mode | |
| Voice | Speech Codec Modes | Half Rate (HR) Full Rate (FR) Enhanced Full Rate (EFR) Adaptive Multi-Rate (AMR) |
| Echo Arithmetic | Echo Cancellation Echo Suppression Noise Reduction |
|
| Interfaces | (U)SIM Card Interface | 3.0 V / 1.8 V |
| UART | × 3 | |
| Analog Audio Channel | 2 Output Channels + 1 Input Channel | |
| Antenna Pad | × 2 (GSM Antenna Pad + Bluetooth Antenna Pad) | |
| Bluetooth | BT 3.0 Profile: SPP, HFP |
|
| Other Interfaces | PCM × 1 RTC × 1 ADC × 1 |
|
| Enhanced Features | Supported | eCall, Jamming Detection, DTMF, Audio Play / Audio Record, QuecFOTA™, QuecCell, QuecLocator, QuecFile, OpenCPU™, RIL for Android, MUX, Bluetooth |
| Electrical & Sensitivity | Output Power | Class 4 (2 W @ 850/900 MHz) Class 1 (1 W @ 1800/1900 MHz) |
| Consumption | 1.3 mA @ DRX=5 1.2 mA @ DRX=9 |
|
| Supply Voltage | 3.3 V ~ 4.6 V, typical 4.0 V | |
| Software Features | Bluetooth | BT 3.0 |
| Protocols | TCP / UDP / PPP / FTP / HTTP / SMTP / CMUX / SSL | |
| General Features | GPRS Multi-slot Class | Class 12 |
| GPRS Mobile Station | Class B | |
| Temperature Range | -40 °C ~ +85 °C | |
| Dimensions | 17.7 mm × 15.8 mm × 2.3 mm | |
| Package / Weight | LCC Package Approx. 1.3 g |
|
| Approvals | RoHS Compliant | CE / UCRF (Europe) DoC (Russia) Anatel (Brazil) ICASA (South Africa) |
M66 mini Development Board Applications
- Wearable devices
- Automotive systems
- Industrial PDAs
- Personal tracking
- Wireless POS terminals
- Smart metering
- Telematics and other M2M/IoT applications









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