# 1. About N15

### 1.1. Main feature

* <mark style="color:blue;">**Usage scenarios:**</mark> point-to-point, point-to-multipoint medium and long-distance communication, power and water pattern inspection, fire emergency and security communication, etc.&#x20;
* <mark style="color:blue;">**Communication method:**</mark> LTE-TDD. Spread spectrum method: Frequency hopping (OFDM), automatic frequency hopping within the working frequency band to avoid interference.&#x20;
* <mark style="color:blue;">**Reliability:**</mark> Data transmission can use AES encryption, as well as SNOW encryption and ZUC encryption.&#x20;
* <mark style="color:blue;">**Maximum nodes:**</mark> Each group can have 16 nodes on the network at the same time.

### 1.2. Parameter

<figure><img src="/files/XnMTbstBrAsEhB83Jv6Z" alt=""><figcaption></figcaption></figure>

### 1.3. Size & weight

Unit:mm / Weight:132g

<figure><img src="/files/tinJQGBCeQB22hfU7VhY" alt=""><figcaption></figcaption></figure>


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