Users Manual

TPM541 series
Cat-M1/NB Module
Frequency Bands
 One SKU for all, Supported Bands are
configurable (B2/3/4/5/8/12/13/20/25/26/28)
 Only Bands 2/4/12 are enabled and available for
this device; all other bands are disabled via
software when sold/marketed to the USA
Data
 Data rate:
Max throughput UL/DL (23dBm): UL:
375kbps/DL: 300kbps (peak)
 Protocol stack:
COAP*/IPV4/IPV6/MQTT*/HTTPS*/LWM2M
PPP/UDP/TCP/TLS/DTLS
 Firmware Download Method: UART, FOTA
Electrical Specification
 Maximum RF output power: 23 dBm
(tolerance 20.3~25dBm)
Power Consumption
 PSM flow: 1.3uA@3.6V
 eDRX (81.92s): 40uA@3.6V
 I-DRX(1.28s): 1.5mA@3.6V
 Transmission (23dBm): 150mA@3.6V
Interfaces
 3 x UART port (1 reserve for option)
 1 x USIM port
 1 x PCM*
 18 x GPIO (maximum)*
 1 x USB 2.0*
 2 x ADC*
 1 x I2C
*Reserved for the SKU supporting embedded MCU.
General Features
 LTE eDRX and PSM supported
 Low power consumption for longer battery life
Key Benefits
 Extremely Compact Form-Factor
 Ultra Low Power Consumption
 OpenCPU & Rich Interface Design for
System on Module
 Multiple Internet Service Protocols Supported
 LTE-M and NB-IoT Dual Mode Supported
 One for All Design Supporting Multibands
 Embedded GNSS and Cellular Positioning
Technology
Temperature Range:
 -40~+85°C
Supply voltage Range:
 3.1~4.3V
Package:
 LGA, 104 pads
 Dimension: 13.4 x 14.6 x 1.85mm
 Weight: 1.0g
AT command:
 3GPP Rel.13 LTE Cat-M1 compliant
Applications
 Utilities: Smart Metering, Smart City, Smart
Grid
 Tracking: Asset, People, Pet Trackers
 Remote Monitoring: Traffic, Environmental,
Agricultural