GPS-GPRS SIM868 + eSIM

46,45

Out of stock

The GPS-GPRS SIM868 is a rhomb.io S100 Slave Module that allows GPRS low speed communication and GNSS possitionining. Even more, it has an optional Bluetooth communication interface. The GPRS part, it is quad-band 850/900/1800/1900 MHz GSM/GPRS, with maximun speed of 85.6 kbps, available in eSIM and nanoSIM versions. The GNSS part has a low power consumption performance and supports various location applications including GPS, GLONASS and BEIDOU. About the optional part, it is Bluetooth 3.0 compliant (firmware upgrade required). All three parts has a 50Ω UMCC antenna connector for each one.

Out of stock

The GPS-GPRS SIM868 is a rhomb.io S100 Slave Module that allows GPRS low speed communication and GNSS possitionining. Even more, it has an optional Bluetooth communication interface. The GPRS part, it is quad-band 850/900/1800/1900 MHz GSM/GPRS, with maximun speed of 85.6 kbps, available in eSIM and nanoSIM versions. The GNSS part has a low power consumption performance and supports various location applications including GPS, GLONASS and BEIDOU. About the optional part, it is Bluetooth 3.0 compliant (firmware upgrade required). All three parts has a 50Ω UMCC antenna connector for each one.

Applications:

  • Tracking
  • Telemetry
  • Remote location
  • Remote control

Specifications

ICSIMCOM SIM868
GSM/GPRSGSM/GPRS Quad-band 850/900/1800/1900 MHz
GPRS data transfer: max. 85.6 kbps
Embedded TCP/UDP protocols
Embedded SIM and nano SIM options
GNSSGPS, GLONASS, BEIDOU, QZSS, SBAS (WAAS, EGNOS, GAGAN, and MSAS) and A-GPS
BluetoothBluetooth 4.0 (via AT commands)
ID Memory64-bit Unique-ID Memory with 112 B User EEPROM
rhomb.io Configuration USB / 2x UART / I2C / 1x INT / 7xGPIO
Op. Voltage3.3 V / VSYS / VBAT
Op. Temperature-40 ºC to +85 ºC

Documentation

3D VIEW

S100 Slave - GPS-GPRS SIM868 Top.png           S100 Slave - GPS-GPRS SIM868 Bottom.png

MODULE SPECIFICATIONS

The GPS-GPRS SIM868 has been build around the SIM868 chipset from SIMCOM Technology. The SIM868 is integrated with a high performance GSM/GPRS part and a GNSS part.

The GSM part is a quad-band GSM/GPRS that works on frequencies GSM 850 MHz, EGSM 900 MHz, DCS 1800 MHz and PCS 1900 MHz. GSM features GPRS multi-slot class 12/class 10 (optional) and supports the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4. The subscriber identity module (SIM) can be a nano SIM card with the SIM holder version or a embedded SIM in the eSIM version.

The GNSS part solution offers best-in-class acquisition and tracing sensitivity, Time-To-First-Fix (TTFF) and accuracy. With built-in LNA, GNSS doesn’t need external LNA. GNSS can track as low as -167 dBm signal even without network assistance. The GNSS has excellent low power consumption characteristic (acquisition 24 mA, tracking 22 mA). GNSS supports various location and navigation applications, including autonomous GPS, GLONASS, BEIDOU, QZSS, SBAS (WAAS, EGNOS, GAGAN, and MSAS) and A-GPS.

The Bluetooth Interface of SIM868 is compliant with Bluetooth Specification 3.0.

The GPS-GPRS SIM868 can be controlled using two UART connections or through a high-speed USB interface thanks to the integrated USB controller CP2105. All three parts can be controlled using AT commands in Main UART interface, although it is recommended to use the secondary interface for GPS data because of the amount of frames required.

There are some UART configurations depending on the 0R0 resistors assembled on the module:

  • GSM UART can be connected to the Rhomb.io UART-A interface (default) or to the USB to UART IC.
  • GPS UART can be connected to UART-2 interface of the SIM868, to the Rhomb.io UART-B interface (default) or to the USB to UART IC.

Two LED are assembled on the module in order to give status feedback to the user. The LED turn on when the “STATUS” and “NETLIGHT” from SIM868 are active. These LED can be disabled by open the “LED solder-jumper”.

The following figure identifies the main components onboard.

S100 Slave - GPS-GPRS SIM868 Description Top.png
S100 Slave - GPS-GPRS SIM868 Description Bottom.png

The next figure shows the Block Diagram for the GPS-GPRS SIM868:

S100 Slave - GPS-GPRS SIM868 Block Diagram.png

USER INTERFACES

The following table indicates the available serial interfaces of the rhomb.io Standard used in this module. This table relates the interfaces of the rhomb.io Standard with the net names of the schematic and with the components to which they are connected.

Rhomb.io Interface Schematic Signal Component Component Pin Comments
I2C-A I2C-A_SDA SIM868 (U2) SDA R44 must be assembled
I2C-A_SCL SCL R46 must be assembled
UART-A UART-A_RXD SIM868 (U2) UART1_RXD
CP2105 (U1) TXD_ECI R39 must be assembled
UART-A_TXD SIM868 (U2) UART1_TXD
CP2105 (U1) RXD_ECI R37 must be assembled
UART-A_CTS SIM868 (U2) UART1_CTS
UART-A_RTS UART1_RTS
UART-B UART-B_RXD SIM868 (U2) GPS_RXD
UART2_TXD R29 must be assembled
CP2105 (U1) TXD_SCI R30 must be assembled
UART-B_TXD SIM868 (U2) GPS_TXD
UART2_RXD R25 must be assembled
CP2105 (U1) RXD_SCI R26 must be assembled
USB USB_P CP2105 (U1) D+
USB_N D-
  • I2C-A: By default, this interface is disabled. You must to assemble the R44 and R46 0R0 resistors to use it.
  • UART-A: By default, this interface is connected to UART1 port of the SIM868 (GSM). If you want to use the USB to UART IC, you must to assemble the R37 and R39 0R0 resistors.
  • UART-B: By default, this interface is connected to GNSS serial port of the SIM868. If you want to use the USB to UART IC, you must to assemble the R26 and R30 0R0 resistors. If you want to use the UART2 port of the SUM868, you must to assemble the R25 and R29 0R0 resistors.

GPIOs & CONTROL SIGNALS

The following table summarizes the GPIOs and Control Signals used on the GPS-GPRS SIM868. This table relates the signals of the rhomb.io Standard with the net names of the schematic and with the components to which they are connected.

Rhomb.io Signal Schematic Signal Component Component Pin
INT INT SIM868 (U2) UART1_DCD
IO IO0 Load Switch (U3) EN
IO1 SIM868 (U2) PWRKEY
IO2 GNSS_EN
IO3 STATUS
IO4 UART1_RI
IO5 1PPS
  • IO: IO0 enables de load switch that supply the GSM module.

POWER

The GPS-GPRS SIM868 can use the 3.3 V rail, VSYS rail and VBAT rail. Make sure these rails are enabled on the Carrier Board you are going to plug this module.

The GSM part is powered by VSYS or VBAT rails. The GPS part can be powered with the same rail as GSM part or with the 3.3 V rail, you can choose the voltage shorting the corresponding solder-jumper. VRTC signal is powered by 3.3 V rail.

The USB to UART IC is powered by 3.3 V rail. You can disconnect the IC by open de “USB to UART” solder-jumper.

SIM868 is designed with power saving technique so that the current consumption is as low as 0.65 mA in sleep mode (with GNSS part power off). The GNSS has excellent low power consumption characteristic (acquisition 24 mA, tracking 22 mA). Anyway, the power consumption varies with different power modes/sleep patterns and work statuses of functional modules. See the SIM868 datasheet to find more information about power consumption.

MECHANICAL SPECIFICATIONS

S100 Slave - GPS-GPRS SIM868 Dimensions.png

WARRANTY

  • Precaution against Electrostatic Discharge. When handling Rhomb.io products, ensure that the environment is protected against static electricity. Follow the next recommendations:
    1. The users should wear anti-static clothing and use earth band when manipulating the device.
    2. All objects that come in direct contact with devices should be made of materials that do not produce static electricity that would cause damage.
    3. Equipment and work table must be earthed.
    4. Ionizer is recommended to remove electron charge.
  • Contamination. Be sure to use semiconductor products in the environment that may not be exposed to dust or dirt adhesion.
  • Temperature/Humidity. Semiconductor devices are sensitive to environment temperature and humidity. High temperature or humidity may deteriorate semiconductor devices characteristics. Therefore avoid storage or usage in such conditions.
  • Mechanical Shock. Care should be exercised not to apply excessive mechanical shock or force on the connectors and semiconductors devices.
  • Chemical. Do not expose semiconductor device to chemical because reaction to chemical may cause deterioration of device characteristics.
  • Light Protection. In case of non-EMC (Epoxy Molding Compound) package, do not expose semiconductor IC to strong light. It may cause devices malfunction. Some special products which utilize the light or have security function are excepted from this specification.
  • Radioactive, Cosmic and X-ray. Semiconductor devices can be influenced by radioactive, cosmic ray or X-ray. Radioactive, cosmic and X-ray may cause soft error during device operation. Therefore semiconductor devices must be shielded under environment that may be exposed to radioactive, cosmic ray or X-ray.
  • EMS (Electromagnetic Susceptibility). Note that semiconductor devices characteristics may be affected by strong electromagnetic waves or magnetic field during operation.

DISCALIMER

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