SIM7028 NB IoT HAT, Supports Global Band NB IoT Communicate with GSM Antenna, Type C Interface with TCP, UDP, LWM2M, COAP, DTLS, for RasPi 2 2B 3B 4B

SCOPE OF APPLICATION: SIM7028 expansion board for RasPi 2 2B 3B 3B+ 4B, supports TCP, UDP, LWM2M, COAP, DTLS, DNS, NTP, HTTP(S), MQTT(S), TLS/SSL and other functions. TYPE C INTERFACE: Expansion board on board Type C interface, can be used for software debugging, etc.; on board UART interface, can be used for AT command sending and receiving and firmware update. USB TO UART CHIP: USB to UART chip on board, UART communicate pins can be set through the jumper cover, on board nano SIM card slot, support for NB IoT special card, derivation out the control pins, can be accessed for STM32 and other main control board. SUPPORT AT COMMAND CONTROL: Expansion board supports AT command control (3GPP TS 27.007, 27.005 and SIMCOM Enhanced AT command set); Support SIM Application Toolkit (SAT Class 3, GSM 11.11, USAT). SUPPORT SERIAL BAUD RATE: NB IoT HAT expansion board supports serial baud rate from 2400bps to 460900bps (default 115200bps). Product information Technical Details Collapse all Other Technical Details Brand ‎Zyyini Series ‎Zyyiniw6aygtcu1o Item model number ‎Zyyiniw6aygtcu1o Item Weight ‎2.75 ounces Package Dimensions ‎4.72 x 2.76 x 1.57 inches Manufacturer ‎Zyyini ASIN ‎B0DF7XN6GW Country of Origin ‎China Date First Available ‎August 26, 2024 Additional Information Best Sellers Rank #14,063 in Single Board Computers (Computers & Accessories) Warranty & Support Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is “dead on arrival,” arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test “dead on arrival” returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor. Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price?