# SATEL Proof-TR489

A 1 W, IP69K radio modem supporting 403–473 MHz and 902–928 MHz operation in the United States and Canada.

- Product page: https://catalog.satelusa.com/products/ym6930/
- Category: Radio modems
- Status: current
- Part number: YM6930
- Manufacturer: SATEL Oy
- Image: https://catalog.satelusa.com/images/products/satel-proof.webp

## Overview

SATEL Proof-TR489 is a heavy-duty radio modem for machine control, smart farming, marine systems and other installations exposed to dirt, vibration, dust and water. Its sealed aluminum enclosure and protected electrical interfaces are designed for demanding outdoor environments.

The radio contains multiple selectable frequency bands. In the United States and Canada, it supports licensed 403–473 MHz operation and license-free 902–928 MHz frequency hopping. Compatibility with other SATEL radios depends on using corresponding frequencies and radio protocols; contact Satel USA for application guidance.

## Highlights

- Selectable 403–473 MHz, 869.4–869.65 MHz and 902–928 MHz frequency bands
- IP67 and IP69K-rated die-cast aluminum enclosure
- Surge protection for the power, data and antenna interfaces
- RF filtering designed for use near GNSS equipment

## Specifications

### Radio

- **North American frequency ranges:** 403–473 MHz or 902–928 MHz
- **Carrier power:** Up to 1 W on 403–473 MHz and 902–928 MHz
- **Channel spacing:** 12.5, 20 or 25 kHz on 403–473 MHz
- **Spreading method:** Frequency-hopping spread spectrum on 902–928 MHz
- **Communication mode:** Half-duplex

### Data interface

- **Interface:** RS-232 asynchronous serial
- **Serial data speed:** 4,800–115,200 bps
- **Power and data connector:** Deutsch DT04-6P-CL09

### Mechanical and electrical

- **Operating voltage:** +7–27.5 VDC
- **Dimensions:** 174 × 95 × 46 mm
- **Weight:** Less than 500 g
- **Environmental rating:** IP67 / IP69K when the mating connector is correctly assembled
- **Antenna connector:** TNC female, 50 Ω

## Compatibility

- SATEL-EASy+
- SATEL-TR4+
- SATELLINE-EASy
- SATELLINE-TR1
- SATEL Proof-TR9

## Documents

- [Product brochure](https://catalog.satelusa.com/documents/satel-proof-tr489/SATEL-Proof_TR489-52023.pdf) (datasheet)
- [Proof-TR4+, Proof-TR9 and Proof-TR489 user guide](https://catalog.satelusa.com/documents/satel-proof-series/SATEL-Proof-TR4_TR9_TR489_User-Guide_v3.7.pdf) (manual, version 3.7)

## Related products

- [SATEL-EASy+](https://catalog.satelusa.com/products/satel-easy-plus/)
- [SATEL Proof-TR4+](https://catalog.satelusa.com/products/ym6577/)