Inquiry about LoRa Development Board

I am sourcing a LoRa development board for an IoT project in the EU region (868 MHz band). The board must meet the following requirements: - LoRa module (868 MHz EU band, such as SX1262 or SX1276) - Integrated microcontroller (e.g., STM32, ESP32, or ASR) - USB port (USB-C preferred or Micro-USB) for power and programming - Battery connector (2-pin for Li-Po cell) - SMA antenna connector - Pre-soldered pin headers No need for Wi-Fi, Bluetooth, display, enclosure, or GPS. Quantity required: 1000 to 3000 pieces. Please provide information on: - Available models and product details - Unit price for the quantities - Alternative designs - Price difference for boards with pre-soldered headers and without display/case - Production and delivery time to Portugal - Payment terms - OEM/ODM services