M66 Arduino Hat Description
M66 is an ultra-small quad-band GSM/GPRS module that utilizes LCC castellation packaging. This module is designed to offer optimal performance in SMS & Data transmission and audio services, even in harsh environments. Its compact size of 15.8mm × 17.7mm × 2.3mm makes it an ideal choice for applications where space is a critical factor.
The M66 module employs surface mount technology, which enhances its durability and ruggedness. The low profile and small size of the LCC package ensure that the M66 can be easily integrated into size-constrained applications, providing reliable connectivity. This packaging is particularly well-suited for large-scale manufacturing processes that demand strict cost and efficiency requirements.
M66 Arduino Hat Included Items
- USB Type C cable, 1x
- GSM Antenna, 1x
- SMA to UFL Adapter Cable, 1x
M66 Arduino Hat Features
- Extremely compact quad-band GSM/GPRS module
- Easier soldering process with LCC package
- Power consumption as low as 1.3mA
- Support Voice, Bluetooth, QuecFOTATM and Quectel OpenCPU
- functions
- Embedded powerful Internet service protocols, multiple Sockets &
- IP addresses
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 |
| SMS Format | Text and PDU Mode | |
| Voice | Speech Codec Modes | Half Rate (HR) Full Rate (FR) Enhanced Full Rate (EFR) Adaptive Multi-Rate (AMR) |
| Voice | 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 |
|
| Sensitivity | GSM850: -109 dBm GSM900: -109 dBm DCS1800: -109 dBm PCS1900: -109 dBm |
|
| 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 | |
| GPRS Multi-slot Class | Class 12 | |
| GPRS Mobile Station Class | 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 Arduino Hat Applications
The M66 module’s compact form factor, low power consumption, and extended temperature range make it an excellent choice for various Machine-to-Machine (M2M) applications. These include wearable devices, automotive systems, industrial PDAs, personal tracking devices, wireless POS systems, smart metering, telematics, and more.









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