双频GSM / GPRS +使能GPS模块,嵌入式A-GPS,SIM928A,30 * 30 * 3.0mm尺寸
议价
加入意向| 一般特征 | •四频GSM 850/900 / 18001900MHz •GPRS多插槽类10 •GPRS移动站B类 •符合GSM阶段2/2 + 类4(2W @ 850 / 900MHz) 类1(1W @ 1800 / 1900MHz) •通过AT命令控制(3GPP TS 27.007 和SIMCom增强AT命令) •SIM应用工具包 •电源电压范围: -gprs:3.2〜4.8 v -v-gps:2.8〜4.3v -vchg:5v •低功耗 •尺寸:30 * 30 * 3.0mm •重量:5.3g •工作温度:-40℃至+ 85℃ |
| 通过GSM / GPRS的短信规格 | •点对点MO和MT •短信小区广播 •文本和PDU模式 |
| 音频规格 | •Tricodec - 速率(HR) - 全速率(FR) - 增强全速率(EFR) •免提操作 •回音消除 |
| 数据传输规范 | •GPRS等级8/10:最大。 85.6 kbps(下行链路) •PBCCH支持 ·编码方案CS 1,2,3,4 •PPP堆栈 •集成TCP / IP堆栈 |
| CSD数据规格 | •CSD高达14.4 kbps •ussd •非透明模式 |
| 兼容性 | •AT蜂窝命令接口 |
| GPS规范 | •支持EPOTM轨道预测 •支持sbas测距(waas,egnos, gagan,msas) •支持干扰删除 •集成低噪声放大器 •接收器类型 33tracking / 99采集通道GPS接收机 •最大。更新速率:10Hz •灵敏度1 跟踪:-167 dBm 重新捕获:-157 dBm 冷启动:-148 dBm •首次固定时间1,2 冷启动:28s 热启动:26s 热启动: <1s epo assist:13s(cttff) • 准确性 自动位置3: <2.5m CEP Speed4:0.1m / s |
| 接口 | •80-pad带SMT类型 •一个用于外部SIM卡的接口:3V / 1.8V •两个模拟音频接口 •SPI接口 •RTC备份 •用于GSM / GPRS的串行接口和调试接口 •两个用于GPS的串行接口 •充电输入 |
| 1实验室 2V SV -130dBm 3.50%24小时静态,-130dBm 50%@ 30m / s |


| General features | •Quad-Band GSM 850/900/18001900MHz •GPRS multi-slot class 10 •GPRS mobile station class B •Compliant to GSM phase 2/2+ -Class 4 (2 W @ 850/900 MHz) -Class 1 (1 W @ 1800/1900MHz) •Control via AT commands (3GPP TS 27.007 and SIMCom enhanced AT Commands) •SIM application toolkit •Supply voltage range: -GPRS: 3.2 ~ 4.8 V -V-GPS: 2.8 ~ 4.3V -VCHG: 5V •Low power consumption •Dimensions: 30*30*3.0mm •Weight: 5.3g •Operation temperature:-40℃ to +85 ℃ |
| Specifications for SMS via GSM / GPRS | •Point-to-point MO and MT •SMS cell broadcast •Text and PDU mode |
| Specifications for audio | •Tricodec -Half rate (HR) -Full rate (FR) -Enhanced Full rate (EFR) •Hands-free operation •Echo cancellation |
| Specifications for data transfer | •GPRS class 8/10: max. 85.6 kbps (downlink) •PBCCH support •Coding schemes CS 1, 2, 3, 4 •PPP-stack •Integrated TCP/IP stack |
| Specifications for CSD data | •CSD up to 14.4 kbps •USSD •Non transparent mode |
| Compatibility | •AT cellular command interface |
| Specification for GPS | • Support EPOTM orbit prediction • Support SBAS ranging (WAAS, EGNOS, GAGAN, MSAS) • Support Jamming Removing • Integrated Low-noise amplifier • Receiver type 33tracking/99 acquisition-channel GPS receiver • Max. update rate: 10Hz • Sensitivity1 Tracking: -167 dBm Reacquisition: -157 dBm Cold starts: -148 dBm • Time-To-First-Fix1,2 Cold start: 28s Warm start: 26s Hot start: <1s EPO Assist: 13s (CTTFF) • Accuracy Automatic Position3: <2.5m CEP Speed4: 0.1m/s |
| Interfaces | • 80-pad with SMT type • one Interface for external SIM card :3V/ 1.8V •two analog audio interfaces •SPI interface •RTC backup •A serial interface and a debug interface forGSM/GPRS • two serial interfaces for GPS • charge input |
| 1Demonstrated in lab 2All SV @ –130 dBm 3.50% 24 hr static, -130dBm 4. 50%@ 30m/s |

