Dell DW5811eQualcomm Snapdragon LTE Sierra EM7455 X7 4G WWAN card module
Warm Tips: Support 2016 models of the following D E L machines:
Latitude 14 7000 E7470 series
Latitude 12 7000 Series E7270
Latitude 13 7000 Series E7370
Latitude 15 5000 series E5570
Latitude 14 5000 series E5470
Description:
EM7455 is a cat 6 4G-LTE (FDD and TDD) module, with a downlink data rate of up to 300 Mbps, mainly for Europe, North and South America. Compatible with Carrier Aggregation (CA) and MIMO. Go back to 3G-HSPA + DC with Rx diversity. A GNSS receiver is integrated. Compatible frequency bands: 4G B1-B5, B7, B8, B12, B13, B20, B25, B26, B29, B30, B41; 3G B1-B5, B8. The form factor is M.2, 42x30mm. Designed for high-speed industrial M2M and mobile computing solutions, the AirPrime® EM74 Series Integrated Modules offer high-speed connectivity on LTE and HSPA + networks. In accordance with the M.2 standard with a USB port interface, the EM series modules offer an easy upgrade path to new network technologies and global access to high-speed networks. The M.2 formfactor is also known as NGFF (New Generation Form Factor).
characteristics
Region: mainly for Europe, North America, South America
Air interface: 4G-LTE cat 6 (FDD and TDD) with CA (carrier aggregation) and MIMO, 3G-HSPA + DC with Rx diversity, GNSS
4G bands: B1 (2100), B2 (1900), B3 (1800), B4 (1700), B5 (850), B7 (2600), B8 (900), b12 (700), B13 (700), B20 ( 800), B25 (1900), B26 (850), B29 (700), B30 (2300), B41 (2500 / TDD)
3G Bands: B1 (2100), B2 (1900), B3 (1800), B4 (1700), B5 (850), B8 (900)
Maximum data rate: DL 300 Mbps, UL 50 Mbps
GNSS (GPS Glonass Beidou Galileo *): Qualcomm
Form factor: M.2 module 42x30x2,3mm
Supply voltage: 3.3 V nominal
Operating temperature: -40 ° C to + 85 ° C
Control, Software and functions
Control Options: In QMI SDK MBIM Commands
For optimal control, the QMI SDK is recommended
Drivers: Android Linux Windows
Change networks at any time with up to three different versions of certified firmware on board.
Connectors
System connector: 75/67 position M.2
RF antenna connector: 3x IPEX MHF4 (Main RF, Aux RF, GPS with DC diagonal)
The Interfaces
1x USB 3.0 and Hi-Speed USB 2.0
1x wake up host
1x wireless deactivation (main RF)
1x wireless disable (GNSS)
1x system restart.
1x on / off
4x Antenna Control (muxed with GPIO 1-3)
3x COEX wireless
1 Dynamic Power Control, DPR
3x Config
1x output LED driver
2x SIM interface: 1.8 / 3V
1x Digital Audio
Audio
Optional
Digital Audio PCM / I2S
4G: VoLTE
3G: reverse circuit (CSFB voice)