Quectel RG520N-AT - Page 16

5G Module Series
RG520N-AT_Hardware_Design 15 / 109
1
UL 2 × 2 MIMO is only supported in 5G SA mode.
2
5G NR FDD bands only support 15 kHz SCS, and NR TDD bands only support 30 kHz SCS.
UART
Main UART:
⚫ Used for AT command communication
⚫ Baud rate: 115200 bps by default
Debug UART:
⚫ Used for Linux console and log output
⚫ Baud rate: 115200 bps
Bluetooth UART*:
⚫ Used for Bluetooth communication
⚫ Baud rate: 115200 bps
⚫ Supports RTS and CTS hardware flow control
PCIe Interface
⚫ Complaint with PCIe Gen 3, supports two lanes, 8 Gbps per lane
⚫ Supports RC (Root Complex) mode and EP (End Point) mode
⚫ Used to connect an external Ethernet IC (MAC and PHY) or Wi-Fi IC
eSIM
Optional
Network
Indication
NET_MODE and NET_STATUS to indicate network connectivity status
AT Commands
Compliant with 3GPP TS 27.007, 27.005 and Quectel enhanced AT commands
Rx-diversity
5G NR/LTE
Antenna
Interfaces
⚫ Four cellular antenna interfaces (ANT0/ANT1/ANT2/ANT3)
⚫ One GNSS antenna interface (ANT_GNSS)
⚫ 50 Ω impedance
Transmitting
Power
⚫ LTE-FDD: Class 3 (23 dBm ±2 dB)
⚫ 5G NR: Class 3 (23 dBm ±2 dB)
⚫ 5G NR n77 HPUE: Class 2 (26 dBm +2/-3 dB)
5G NR
Features
⚫ Supports 3GPP Rel-16
⚫ Supports waveforms:
- Uplink: CP-OFDM and DFT-s-OFDM
- Downlink: CP-OFDM
⚫ Supports modulations:
- Uplink: π/2-BPSK, QPSK, 16QAM, 64QAM and 256QAM
- Downlink: QPSK, 16QAM, 64QAM and 256QAM
⚫ Supports DL 4 × 4 MIMO: n2/n5/n12/n14/n30/n66/n77
⚫ Supports UL 2 × 2 MIMO
1
: n77
⚫ Supports SCS 15 kHz
2
and 30 kHz
2
⚫ Bandwidth supported:
- n2: 5/10/15/20 MHz
- n5: 5/10/15/20 MHz
- n12: 5/10/15 MHz
- n14: 5/10 MHz
- n29: 5/10 MHz