Product Info

LTE-A Module Series
EM121R-GL Hardware Design
EM121R-GL Hardware Design 15 / 80
EM121R-GL can be applied in the following fields:
⚫ Tablet PC and Laptop
⚫ Remote Monitor System
⚫ Wireless POS System
⚫ Smart Metering System
⚫ Wireless Router and Switch
⚫ Other Wireless Terminal Devices
2.2. Key Features
Table 3: Key Features of EM121R-GL
voice and data functions, while Data-only version only supports data function.
3.
4)
LTE-FDD B29/B32 and LTE-TDD B46 support Rx only and are only for secondary component
carrier.
4. For details about CA combinations, see document [1].
Feature
Details
Function Interface
PCI Express M.2 Interface
Power Supply
⚫ Supply voltage: 3.135–4.4 V
⚫ Typical supply voltage: 3.7 V
(U)SIM Interface
⚫ Compliant with ISO/IEC 7816-3
⚫ Support (U)SIM card: 1.8/3.0 V
⚫ Support Dual SIM Single Standby
USB Interface
⚫ Compliant with USB 3.0 and 2.0 specifications, with maximum transmission
rates up to 5 Gbps on USB 3.0 and 480 Mbps on USB 2.0
⚫ Used for AT command communication, data transmission, firmware
upgrade, software debugging, GNSS NMEA sentence output, and voice
over USB*
⚫ Support USB serial drivers for: Windows 7/8/8.1/10, Linux 2.6–5.10,
Android 4.x/5.x/6.x/7.x/8.x/9.x/10.x
PCIe Interface
⚫ Complaint with PCIe Gen 2
⚫ PCIe × 1, supporting 5 Gbps per lane
⚫ Used for AT command communication, data transmission, firmware
upgrade, software debugging, GNSS NMEA sentence output
PCM Interface*
⚫ Used for audio function with external codec
⚫ Support 16-bit linear data format
⚫ Support long and short frame synchronization