Feature: 1. High Quality Material: The PCI‑E module is made of PCB material, which is sturdy and durable to ensure a long service life. 2. Reliable Chip: The PCI‑E module uses SIM 7020G chip, supporting Cat NB wireless communication mode. 3. Stable Performance: The PCI‑E module has a SIM antenna slot (LTE antenna), and the signal reception is stable. 4. Multi Purpose: PCI‑E module is suitable for M2M applications, such as metering, asset tracking, remote monitoring, electronic health, etc. 5. Scope of Application: Suitable for LILYGO®TTGO, T‑PCIE, ESP32‑WROVER‑B, AXP192 chip, WIFI, BT, NANO card, SIM series combinable development board. Specification: Item Type: PCI-E Module Material: PCB Support Frequency Band: Cat NB B1 B2 B3 B4 B5 B8 B12 B13 B17 B18 B19 B20 B25 B26 B28 B66 B70B71 B85 Data Transmission: Maximum Upstream Rate: 126Mbps Maximum Downlink Rate: 150Mbps. Package List: 1 x PCIE-7020G Module1 x LTE Antenna2 x Screw