產品詳情：

GSM/GPRS/GNSS模塊SKC111簡介

SKC111是一個集成了高性能的GNSS，4頻GSM/GPRS,藍牙接收器的多功能模塊,基于MTK2503方案。模塊GSM/GPRS部分可以在GSM850MHz, EGSM900MHz, DCS1800MHz，PCS1900MHz頻段下工作，GPRS支持CS-1, CS-2, CS-3, CS-4編碼方案！


亮點：

四頻：GSM850/GSM900/DCS1800/PCS1900.

支持藍牙3.0

支持GPS/GLONASS/北斗/GALILEO

雙卡雙待

SDIO,IIC,PCM,ADC,UART，GPIO

支持麥克風輸入和揚聲器輸出


參數

GSM/GPRS

供電

Supply voltage: 3.3V~4.4V. Typical: 3.8V

電流

Maximum: 1.6A

固件更新

Via UART port

天線類型

PCB pad with 50 Ohm impedance.

GSM Class

Small MS

頻段

1. Quad-band: GSM850, EGSM900, DCS1800, PCS1900.

2. The frequency bands can be set by AT command.

3. Auto search frequency band, compliant to GSM Phase 2/2+

GPRS數據

GPRS data downlink transfer: max. 85.6kbps

GPRS data uplink transfer: max. 85.6kbps

Coding scheme: CS-1, CS-2, CS-3 and CS-4

Support the protocols PAP usually used for PPP connections

Support Packet Broadcast Control Channel (PBCCH)

Support Unstructured Supplementary Service Data (USSD)

Internet service protocols TCP/UDP, FTP, PPP, HTTP, NTP, PING

傳輸功耗

Class 4 (2W) at GSM850 and EGSM900

Class 1 (1W) at DCS1800 and PCS1900

GPRS靈敏度

GPRS multi-slot class 12 (default)

GPRS multi-slot class 1~12 (configurable)

GPRS mobile station class B

SMS

Text and PDU mode

SMS storage: SIM card

SIM 接口

Support SIM card: 1.8V, 3.0V

Support dual SIM card (Not support Dual SIM dual standby)

SIM工具包

Support SAT class 3, GSM 11.14 Release 99

電話簿管理

Support phonebook types: SM, ME, ON, MC, RC, DC, LD, LA

音頻

Speech codec modes: Half Rate/Full Rate/Enhanced Full Rate /Adaptive Multi-Rate

Embedded one amplifier of class AB with maximum driving power up to 870mW

Support microphone input.

Support speaker out and hand-free speaker out.

UART 接口

Support UARTF and UART debug and UART Auxiliary.

Used for AT command, GPRS data

Support autobauding from 4800bps to 115200bps

UART Auxiliary used for communication with the GNSS Part


GNSS

供電

Supply voltage: 2.8V~4.3V. Typical: 3.3V

固件升級

Via UART port

天線

PCB pad with 50 Ohm impedance.

導航

GPS/GLONASS/BEIDOU/GALILEO

功耗

Acquisition: 37mA @-130dBm (GPS+GLONASS)

Tracking: 30mA @-130dBm (GPS+GLONASS)

Backup: 7uA @V_BCKP=3.3V

接收方式

BD B1/GPS L1/GALILEO/QZSS

QZSS, SBAS (WAAS,EGNOS,MSAS,GAGAN)

靈敏度

Acquisition: -149dBm

Reacquisition: -161dBm

Tracking: -167dBm

啟動時間(EASY Enabled)

Cold Start:

Warm Start:

Hot Start: 1s @-130dBm

PPS

Typical accuracy±10ns

Time pulse width 100ms

定位精度


協議

NMEA0183

更新率

Up to 10Hz, 1Hz by default

動態性能

Maximum Altitude: 18,000m

Maximum Velocity: 515m/s

Acceleration: 4G

UART 接口

UART port: GNSS_TX and GNSS_ RX

波特率4800bps ~ 115200bps, 默認9600bps