SLM336U

Part: SLM336U — MeiG Smart Technology Co., Ltd.

Type: Wireless Communication Module

Description: A wide band wireless communication module supporting TDD-LTE/FDD-LTE network standards, offering CAT1 LTE with up to 10 Mbps DL and 5 Mbps UL rates, voice (PCM), and SMS, in a 23.6×19.9×2.45 mm LCC package.

Operating Conditions:

• Supply voltage: 3.5–4.2 V
• Operating temperature: -30 to +70 °C
• LTE CAT1 (1.4–20 MHz RF bandwidth)

Absolute Maximum Ratings:

• Max supply voltage: 4.2 V
• Max junction/storage temperature: +85 °C

Key Specs:

• Typical supply voltage: 3.8 V
• Transmitted power (FDD-LTE bands): Class 3 (23 dBm ± 2.7 dB)
• Transmitted power (TDD-LTE bands): Class 3 (23 dBm ± 2.7 dB)
• FDD-LTE max UL rate: 5 Mbps
• FDD-LTE max DL rate: 10 Mbps
• TDD-LTE max UL rate: 2 Mbps
• TDD-LTE max DL rate: 8 Mbps
• USB port: USB2.0 (slave mode only), max 480 Mbps
• USIM/SIM support: 1.8V & 3V
• Main UART baud rate: 115200 bps (default)

Features:

• Supports TDD-LTE/FDD-LTE multiple network standards and frequency bands
• Provides voice (PCM) and analog voice SMS
• Supports TCPIP/UDP/HTTP(S)/MQTT/FTP/SSL/OneNet network protocols
• Text and PDU mode SMS, point-to-point MO and MT, short message storage, cell broadcast
• USB port for AT command, data transmission, software debugging, and upgrades
• Multiple serial ports (MAIN_UART, AUX_UART, DBGU)
• Complies with 3GPP TS 27.007, 27.005, and MeiG AT commands
• Network indicator (NET_STATUS pin)
• Multiple antenna interfaces (Main, Bluetooth/Wi-Fi Scan, GPS)
• Low power modes (Flight Mode, ULPS)
• ADC mode
• I2C and SPI interfaces
• RoHS compliant

Applications:

• M2M field
• OTT
• CPE
• Router
• Data card
• Tablet computer
• Security
• Industrial PDA

Package:

• LCC (126-pin)
• Size: 23.6×19.9×2.45 mm
• Weight: 2.4 g

The following table shows the definition of each pin in the SLM336U module.

VL: Logic low level;

VH: Logic high level 。

Table 35 The logic level of a normal digital IO signal

Table 36 Electrical characteristics of power supply operating state