FN990 Family Hardware Design Guide
2Tx (2x2 UL MIMO) /
4Rx (4x4 DL MIMO)
5G: n38/n41/n48/n77/n78/n79
1Tx / 1Rx (2
nd
Rx
Diversity)
4G: all operating bands
3G: all operating bands
Upper L-band: GPS/Glonass/Beidou/Galileo
Two SIM support (UIM2 can be assigned as optional eSIM)
Class B and Class C support
Application processor to run customer application code
32-bit ARM s-A7 up to 1.8 GHz running the Linux operating system
4Gbit NAND Flash + 4Gbit LPDDR4 2133 MHz MCP is supported (HW1.00)
8Gbit NAND Flash + 8Gbit LPDDR4 2133 MHz MCP is supported (HW1.10)
PCIe Gen3 x 1-lane
USB 3.1 Gen 2
Peripheral Ports – GPIOs
4 x MHF-4 type Cellular/GNSS antenna connectors
1 x MHF-4 type Dedicated GNSS antenna connector
M.2 Form factor (30 * 52 * 2.25 mm), accommodating the multiple RF bands
Environment and
quality
requirements
The device is designed and qualified by Telit to satisfy environmental and quality
requirements.
The module internally generates all its required internal supply voltages.
Real-time clock is supported.
Range -40 degC to +85 degC
(conditions as defined in Section 2.8.1, Temperature Range)
Configurations Pins
The FN990 modems can be configured as USB 3.1 Gen 2 or PCIe devices. The primary
host interface can be set using the four pins listed in the table below.
Table 6: Configurations Pins
PCIe or USB 3.1 Gen 2
Port Configuration 2
(Applicable to WWAN only)
Note: On the host side, each of the CONFIG_0 to CONFIG_3 signals must be
equipped with a pull-up resistor. Based on the state of the configuration pins on
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