---
title: Modems
---

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## Long Range RF Modems

**High performance 900MHz (or 868MHz), ISM band radio modems covering the 902 – 928 MHz or 865-870 MHz frequency bands** depending on the model and region.  Designed for long range serial communications applications requiring best in class radio link performance. Our modems are designed, inspected and tested in Australia. Those sold in the US are NDAA compliant. The EU variant is compliant with EU regulations. 

![RFD868x RF modem](https://kb.rfdesign.com.au/hs-fs/hubfs/868x/RFD868x%20RF%20modem.png?width=220&height=192&name=RFD868x%20RF%20modem.png)

Available in compliant models for specific geographical regions and regulations: 

 

| Modem Model  | Maximum Transmit Power(dBm)  | Frequency Band/s (MHZ)  | Number of Channels  | Duty Cycle (%)  |
| --- | --- | --- | --- | --- |
| 900X  | 30  | 902-928  | 51  | 100  |
| 900X-AU (Australia)  | 30  | 915-921 and 922-928  | 23  | 100  |
| 900X-AU (New Zealand)  | 30  | 920.75-927.25  | 25  | 100  |
| 900X-US (United States of America)  | 30  | 902-915 and 915-928  | 51  | 100  |
| 868X  | 30  | 865-870  | 8  | 100  |
| 868X-EU (Europe)  | 27/7  | 869.7-870  | 1  | 10/100  |
|    |    |    |    |    |
|    |    |    |    |    |

 

| Modem Model  | Maximum Transmit Power(dBm)  | Frequency Band/s (MHZ)  | Number of Channels  | Duty Cycle (%)  |
| --- | --- | --- | --- | --- |
| 900uX  | 30  | 902-928  | 51  | 100  |
| 900X-US (United States of America)  | 30  | 902-915 and 915-928  | 51  | 100  |
| 868uX  | 30  | 868-870  | 1  | 100  |
| 868X-EU (Europe)  | 27/7  | 869.7-870  | 1  | 10/100  |
| 868uX-IND (India)  | 30  | 865-867  | 8  | 100  |

 

 

 

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