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 5μA@3V8 (10μA@3V8 in simple transparent transmission mode) | ||
| Operating temperature | -30°C ~ +85°C | |
| 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 | -40°C ~ +85°C | |
| 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
| Please select | frequency B8 |
|---|
Fast Shipping and Professional Packing
We offer a wide range of shipping options owing to our long-standing relationships with UPS, FedEx and DHL. Our warehouse personnel will pack all goods to our exacting specifications. Your goods will go through a thorough inspection and be securely secured prior to being shipped. Every day, we deliver to thousands of customers across many countries. This shows our commitment to become the biggest online retailer on earth. Warehouses and distribution centers can be found in Europe and the USA.
Orders that contain more than one item are assigned processing times in accordance with the item.
Prior to shipping, we check the item thoroughly before sending the items. The majority of orders will be delivered within 48 hours. Delivery time ranges between 3-7 days.
Returns
The inventory is always changing and we do not completely manage it because several parties are involved, including our warehouse and factory. The actual stock levels can fluctuate at any point. Please understand it may happen that your order is out of stock after the order has been placed.
Our policy is valid for 30 days. However, if the 30 days have elapsed after you bought your product, we are unable to provide a refund or exchange.
You can only return an item if it is unused and is in the same condition the day you received it. It must also be in its original packaging.
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