四频GSM/GPRS模块
● Minimum quad-band GSM / GPRS module
● Stamp hole package to facilitate customer welding and testing
● Built-in Class AB audio amplifier
● Standby current as low as 1.3mA
● Embedded network service protocol stack, support multiple Socket and IP address
● Remote remote upgrade technology (QuecFOTATM)
● Interference detection
● DTMF codec
M35/M35F is the world's quad-band GSM / GPRS module, the size is only 19.9 x 23.6 x 2.65mm.
With ultra-small size, ultra-low power and wide operating temperature range, the M35 is ideal for M2M applications for automotive, industrial and PDA, personal tracking, wireless POS, smart metering and other M2M applications Perfect GSM / GPRS SMS, data transmission and voice services.
The M35/M35F is available in LCC packages and enables rapid production of modules via standard SMT equipment, providing customers with highly reliable connectivity, especially for automated, large-scale, low-cost, modern production methods.
With the built-in remote remote upgrade technology (QuecFOTATM), M35 can achieve remote upgrade and maintenance.
技术参数
| 主要特征 |
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四频 |
850/ 900/ 1800/ 1900 MHz |
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GPRS多时隙 |
12, 1~12 可配置 |
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GPRS移动台 |
Class B |
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兼容GSM Phase 2/2+ |
Class 4 (2W @ 850/ 900 MHz) |
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供电电压 |
3.3~4.6V 典型值 4.0V |
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耗流 |
1.3mA @ DRX=5 |
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工作温度 |
-40 °C to +85 °C |
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尺寸 |
19.9 x 23.6 x 2.65mm |
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重量 |
约 3.0g |
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AT指令控制 |
GSM 07.07，07.05和其它AT扩展指令 |
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SIM应用工具包 |
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| 数据传输 |
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GPRS Class 12 |
85.6 kbps (上行 & 下行) |
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支持PBCCH |
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编码方案 |
CS 1, 2, 3, 4 |
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支持CSD |
14.4 kbps |
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支持USSD |
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协议栈 |
PPP/ TCP/ UDP/ HTTP/ FTP/ SMTP/ MUX |
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| 短信 |
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点到点短信收发 |
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蜂窝广播消息 |
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文本/PDU模式 |
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| 语音 |
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语音编码模式 |
Half Rate (HR) |
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音频处理机制 |
回音消除 |
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| 接口 |
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SIM/ USIM 卡 |
3V/ 1.8V |
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UART |
2个 |
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模拟音频接口 |
2路(内置1路AB类音频功放) |
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RTC |
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GSM天线 |
天线Pad |
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| 认证 |
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CE/ FCC/ CCC/ NAL/ China TA / PTCRB / GCF / 入网证书 |
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