Datasheet Hiberband Direct modem

Introduction.

The Hiberband modem is a highly integrated, low-power communications front-end designed for global delivery of sensor data through Hiber’s satellite-based Hiberband Low-Power Global Area Network (LPGAN). Designed as a compact, solderable SMT module, it is straightforward to integrate in IoT devices. The application host processor of the IoT device interacts with the Hiberband modem through a UART-based serial interface using a commandresponse protocol. The Hiberband modem provides two connectors for the Hiberband and GPS antennas.

For detailed technical documentation, please contact Hiber at [email protected].

The information on the internal GPS receiver of the Hiberband modem is provided for reference purposes only; this functionality has been discontinued. The application developer must provide current the geo-location by other means to the modem.

Mechanical dimensions.

The mechanical drawing of the Hiberband modem is shown in figure 1 (all dimensions in millimeters).

The Hiberband modem has two antenna connectors: one MMCX-female for the Hiberband antenna and one U.FLfemale for the GPS antenna (only for versions with integrated GPS receiver).

Hiber LPGAN modem pin-assignment.

The pin numbering scheme of the Hiberband modem is shown in figure 2. The module pins are implemented as so-called castellations that allow soldering onto a printed circuit board (PCB) using standard reflow manufacturing techniques.

The Hiberband modem provides one or two on-board antenna connectors (depending on the modem version), one for the Hiberband satellite communication, and one for the GPS antenna (for modem versions with integrated GPS receiver). The antenna details are described in section 1.

The pin function assignment is given in table 1.

Function	Pin name	I/O	Description	Hiber LPGAN Modem Pin Numbers
Power	VCC	I	Supply voltage	12, 13, 14, 15, 16, 40, 41, 42
	GND	n/a	Ground	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 23, 25, 29, 43, 44, 45
	VREF	n/a	I/O reference voltage	19
System	SYS_RXD	I	System UART receive	18
	SYS_TXD	O	System UART transmit	17
	SYS_TXD	O	System UART transmit	25
	RESETn	I	System reset	24
Debug	DBG_RXD	I	Debug UART receive	28
	DBG_TXD	O	Debug UART transmit	27
Reserved	-	n/a	Reserved for internal or future use. Leave unconnected	11, 21, 22, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39

Table 1: Hiber lpgan modem pin assignment overview

Power supply.

The power supply characteristics of the Hiberband modem are specified in table 2.

Parameter	Description	Min	Typ	Max	Unit
VCC	Module supply voltage	3.2	3.3	3.9	V
ICC	Current consumption - Hibernation Mode	0.5	5	20	µA
	Current consumption - Host Communication Mode	10	20	25	mA
	Current consumption - Geo-location Mode	40	100	120	mA
	Current consumption - Hiberband Listen Mode	20	23	30	mA
	Current consumption - Hiberband Transmission Mode	100	1250	1500	mA
VREF	VREF supply voltage (all ranges)	2.7	3.3	4.5	V

Table 2: power supply specifications

Operating temperature ranges.

The following temperature ranges are defined for operation of the Hiber LPGAN modem:

• Normal operating temperature:

  the Hiber LPGAN modem is fully functional and meets all its product specifications across the specified temperature range.

• Extended operating temperature:

  the Hiber LPGAN modem is fully functional but RF performance may be degraded.

The environmental operating ranges of the Hiber LPGAN modem are defined in table 3.

Parameter	Description	Min	Typ	Max	Unit
T-operating	Typical operating temperature		+25		°C
ICC	Normal operating temperature	-30		+70	°C
	Extended operating temperature	-40		+85	°C

Table 3: environmental conditions

Frequency ranges.

The frequency ranges of the Hiberband modem are given in table 4.

Parameter		Min	Max	Unit	Remarks
Hiberband frequency range	Uplink	399.90	400.05	MHz
	Downlink	400.15	401.00	MHz
GPS frequency range	Downlink	1575.42	1575.42	MHz	Only GPS is supported

Table 4: Hiberband modem RF frequency bands

Typical application circuit.

A typical interface between the application host processor, generally a microcontroller, and the Hiberband modem is shown in Figure 3.

In the example design shown above, the host application processor runs at 3.0V, while the Hiberband modem has a +3.3V supply voltage. The processor interfaces with the Hiberband modem through a UART interface for serial device-to-device communication. Optionally, the debug UART may be used in the application. Furthermore, two GPIO pins (configured as outputs) are used to drive the RESET and WKUP inputs of the Hiberband modem, both of which have active HIGH levels. The signal levels of the processor-modem UART interfaces is set by applying the appropriate voltage to the VREF input of the Hiberband modem. Other than ensuring that the power supply is able to deliver the necessary current within a sufficiently fast transient response time, this covers the integration of Hiber’s LPGAN connectivity in an IoT device.

Hiberband modem design support.

Hiber is strongly committed to providing good support to its partners. In addition to documentation, Hiber offers CAD libraries, reference schematics and board layout footprints, that can be obtained upon request. Please contact us at [email protected] for any assistance you may need.

Revision history.

Date	Revision	Changes
March 14, 2018	1	Initial release
April 18, 2018	1.1	Changed naming of RESETn to RESET to reflect active HIGH level
February 5, 2019	1.2	Changed product name to Hiberband modem Updated information related to discontinued GPS support

Table 5: Document revision history