N27 Hardware User Guide
Chapter 2 About N27
Copyright © Neoway Technology Co., Ltd. All rights reserved.
13
Temperature ranges
Operating: -40°C to +85°C
1
Storage: -40°C to +90°C
Operating voltage
VBAT: 3.1V to 4.3V, typical value: 3.6V
Current
PSM: < 4
μA
Idle: < 2 mA
Working: 250 mA@CAT M1
MIPS processor
ARM Cortex-A7 processor, 800 MHz main frequency, 256 KB L2 cache
Memory
32 MB 64MB NAND Flash
Band
Wireless rate
GPRS: Max 85.6 Kbit/s(DL) / Max 85.6 Kbit/s(UL)
FDD LTE:
Cat M1, Max 588Kbps(DL)/Max 1.119Mbps(UL)
Cat NB1, Max 34Kbps(DL)/Max 19.7(single-tone)/66.6(multi-tone)Kbps(UL)
Cat NB2, Max 127Kbps(DL)/Max 158.5Kbps(UL)
Transmit power
EGSM900: +33dBm (Power Class 4)
DCS1800: +30dBm (Power Class 1)
LTE CAT-M/CAT-NB: +23dBm (Power Class 3)
Application
interfaces
2G/4G antenna, GNSS antenna, 50Ω characteristic impedance
Two UART interfaces, at most 4 Mbit/s
One SIM interface, 1.8V only
One USB2.0 interface, slave mode only
Two ADC interfaces, detectable voltage ranging from 0.1 V to 1.7V
(supported by the open version only)
One I2C interface, master mode only (supported by the open version only)
One SPI interface, maximum frequency of 50 MHz (supported by the open
version only)
One PCM interface, MUX as I2S interface
One GPIO interface
AT commands
3GPP Release 13
Neoway extended commands
SMS
PDU, TXT
Protocol
TCP, UDP, HTTP, FTP, MQTT, LWM2M, COAP
Certification approval European Union: CE/RoHS/POPs
1
Some RF indicators might not meet 3GPP/3GPP2 standards in extended temperature but it does not affect
functioning.