B5/B8 Frequency Band Nbiot Digital Wireless Transmission Module IoT Coap Protocol Communication Module NB73

Feature: Classification Parameter Value Wireless parameter Working frequency WH-NB73-B5: Uplink: 824~849MHz Downstream: 869~894MHz WH-NB73-B8: Uplink: 880-915MHz Downstream: 925~960MHz Transmit power Transmitting power: 23dBm~-40dBm Receiving sensitivity -129dBm Hardware paramete Data interface UART: 4800bps, 9600bps, 57600bps, 115200bps Operating Voltage 3.1V~4.2V, recommended 3.8V Working current Maximum emission current in Active mode is 268mA@3V8 Receive current 64.5mA@3V8 in Active mode Idle current 4.3mA@3V8 PSM current 5A@3V8 (10A@3V8 in simple transparent transmission mode) Operating temperature -30C ~ +85C Extended temperature: -40 C ~ +85 C In the extended temperature, RF performance such as module transmit power may decrease, exceeding the 3GPP conformance requirements. Storage temperature -40C ~ +85C Working humidity 5%~95% RH (no condensation) Storage humidity 5%~95% RH (no condensation) Size Size: 27.99mm x24.50mm x 2.80mm Package interface SMT surface sticker Package includes: 1 x Module