Key Features
Classical Doric Style
Hytera draws inspiration from the design of the ancient Greek Doric order, and combines the characteristics of elegance, symmetry and scale to inject a unique artistic style into the S1 Pro/S1 Pro LF.
HD OLED Display
The HD OLED display shows you battery level, frequency, status, channel, and more. Plus, you can create your own channel and radio names that are easy to remember and distinguish.
Reliable Communication
As a digital radio, S1 Pro/S1 Pro LF is compatible with the existing radios and systems. Lower power consumption, wider communication range, more accurate data transmission.
Privacy Protected
Only those with the same password can join the group call. Protect the conversation against interference from neighboring groups.
AI-based Noise Cancellation
Filter out up to 30 dB of noise thanks to the professional AI-based noise cancellation. Your focus is protected. Your productivity improved.
Whisper Mode
Whisper on a call and still be heard clearly on the other end. Protect your privacy, without disturbing the peace of customers around you.
Outlast Your Shift
With a battery life of up to 19 hours (0.5W) or 16 hours (3W) of working time and 360 hours of standby time, your focus remains on the job, not the clock.
AirClone
You can clone configuration data from one S1 Pro to many. All done in a flash.
Hytera Radio APP
Manage your radio with an Android phone that’s always at your fingertips. Programming, batch configuration, backing up frequency information, and more can be performed via Bluetooth.
| General | |
|---|---|
| Models | HYT-S35 (licensed) HYT-S35 LF (PMR446 license free) |
| Frequency Range | UHF: 400-470 MHz PMR446: 446 MHz |
| Operating modes | Analogue and digital (DMR) |
| Channel Capacity | 256 |
| Zone Capacity | 6 (Digital+Analog) |
| Channels per zone | 88 (400-470 MHz) 16 (446 MHz) |
| Channel Spacing | 12.5kHz/20kHz/25kHz |
| Operating Voltage | 3.8V (rated) |
| Battery | 2200mAh Li-Polymer |
| Battey Life (5/5/90 Duty Cycle) (digital) | 16 hrs (Tx power 3W) 17 hrs (Tx power 2W) 18 hrs (Tx power 1W) 19 hrs (Tx power 0.5W) |
| Frequency Stability | ±2 ppm |
| Antenna Impedance | 50 Ω |
| Dimensions(H×W×D) mm | 108 x 53 x 20 mm (without antenna) |
| Weight (with battery and antenna) | 145 g (with belt clip) 135 g (without belt clip) |
| Display | 1.3 inch OLED |
| Bluetooth | BT 5.0 BLE (only data) |
| Receiver | |
|---|---|
| Sensitivity | 0.14 μV (12 dB SINAD) |
| Adjacent Channel Selectivity | ETSI: 60 dB @12.5kHz / 70 dB @20/25kHz |
| Intermodulation | ETSI: 65 dB @12.5/20/25kHz |
| Spurious Response Rejection | ETSI: 70 dB @12.5/20/25kHz |
| Blocking | ETSI:84 dB |
| Hum&Noise | 40 dB @12.5 kHz 43 dB @20 kHz 45 dB @25 kHz |
| Rated Audio Power Output | 0.5 W |
| Rated Audio Distortion | ≤5% |
| Audio Response | +1~-3dB |
| Conducted Spurious Emission | <-57dBm |
| Transmitter | |
|---|---|
| RF Power Output | 1W / 2W / 3W (400-470 MHz) 0.5 W (446MHz) |
| FM Modulation | 11K0F3E @12.5 kHz 14K0F3E @20 kHz 16K0F3E @25 kHz |
| Conducted/Radiated Emission | -36 dBm<1 GHz -30 dBm>1 GHz |
| Modulation Limiting | ±2.5 kHz @12.5 kHz ±4.0 kHz @20 kHz ±5.0 kHz @25 kHz |
| FM Hum&Noise | 40 dB @12.5 kHz 43 dB @20 kHz 45 dB @25 kHz |
| Adjacent Channel Power | 60 dB @12.5 kHz 70 dB @20/25 kHz |
| Audio Response | +1 ~ -3 dB |
| Audio Distortion | ≤3% |
| Environment | |
|---|---|
| Operating Temperature | -10°C to +55°C |
| Storage Temperature | -30℃ ~ +70℃ |
| ESD | ±4kV (Contact) ±8kV (Air) |




