WISMO 228 GSM / GPRS工业级无线通讯模块。它具有体积小，易用性强，内嵌TCP/IP协议栈，品质优良等特性。以极具竞争力的价格，推向M2M行业。 频段:GSM 850/900/1800/1900MHz, CSD, SMS, FAX, GPRS class10,顺从3GPP. 信号灵敏度: -108dbm . 全球认证: CE, GCF, China RTE, R&TTE,FCC, PTCRB, AT&T. 语音编码: HR, FR, EFR, AMR 温度范围: -40 - 85度 工作电压: 3.2 - 4.8V 功耗: 36uA(off) / 1.6mA(Idle) / 205mA(connected) 硬件接口: 46PIN邮票口封装, 1个语音, 1个SPI, 1个ADC, 1个RTC, 1个BUZZER, 1个串口, 3个GPIO, 3个PWM . SIM卡接口: 1.8和3V 尺寸: 25x25x2.8mm WISMO 228详细描述: Market Positioning Entry Level Modem (Quad Band) Radio Modem Features Bearers GSM, CSD, SMS, FAX, GPRS class10 Radio Bands Quad Band 850/900/1800/1900 Approvals CE, GCF, China RTE, R&TTE Nominal Sensitivity 850/900 MHz Rx 1800/1900 MHz Rx 850/900 MHz Tx 1800/1900 MHz Tx -108 dBm -107 dBm 33 dBm ±2 dB (2 W) at 25°C 30 dBm ±2 dB (1 W) at 25°C Intellectual property rights (IPR) indemnification included √ CPU Performances Processor ARM926 / DSP Core Frequency 156 MHz Core I/O Voltage 3.2 to 4.8V Audio Analogue audio 1 Digital Audio - Codec HR, FR, EFR, AMR Quality VDA2A Echo Cancellation √ Telephony/Handset/Hands free mode √ DTMF Decoder √ Interfaces USB - UART 1 PWM 3 SPI 1 I2C 1 ADC 1 DAC 1 GPIO 11 TX Burst Indicator Yes RTC Yes TCP/IP √ AT Command Set 3GPP TS JTAG - Tx Burst Indicator √ SIM Toolkit R99 √ Reset √ Buzzer Output √ RF (Antenna) √ PWM Yes SIM (1.8V & 3V) Yes Power Consumption Power supply (Nominal 3,6V) 3,2min; 4,8V max Off Mode (Nom @ VBATT:3.6V) 36 μA Idle Mode (Paging 9) 1.3 mA GSM Alarm 36 μA GSM (2W) / GPRS cl.10 214 mA / 369 mA Connected Mode 900 MHz (TX Power 33 dBm at Vbatt = 3.6V) 1800 MHz (TX Power 30 dBm at Vbatt = 3.6V) 205 mA at peak 163 mA at peak Environmental Specifications Operating / Class A -30°C to +75°C Operating / Class B -40°C to +85°C Storage -40°C to +85°C Miscellaneous Packaging LCC Castellation, 1.5mm pitch,46 SMT pads Weight 3.8 g RoHS √ Accessories FW update over UART √ Development Kit √