S1 UHF or Licence-free Analogue Business Radio (PMR446)

S1

Handheld | Analogue

The Hytera radio models S1 (licensed) and S1 LF (License Free) redefines the business-ready analog radio. It blends classic radio elements with exquisite craftsmanship and forward fashion. From form factor to user experience, the S1/S1 LF breaks with tradition to shape the trend of next-generation business radio—modern, simple, and timeless.

Highlights of S1

PTT Unlike Any Other

A second PTT on the front - increased size, circular shape and record-like texture.

Airy-light Design

135 g in weight. All for one-hand operation on the go.

Light for U

Four LEDs tell you the radio status in their own way.

Dual PTT

Talk with either of two standby groups - not just one as before.

Talk Freely

Cover 3-5 floors and 3-5 km in urban areas; meet the indoor communication needs of more than 10,000 square meters.

Outlast Your Shift

With a battery life of up to 27 hours (0.5 W) or 15 hours (3 W) of working time and 360 hours of standby time, your focus remains on the job, not the clock.

Channel Copy

Allows you to quickly copy channel information to the S1 from any radio with the same frequency regardless of brands and models.

AirClone

You can clone configuration data from one S1 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.

Specifications of S1

  • General
  • Receiver
  • Transmitter
  • Environment
General
Model HYT-S31 (licensed) HYT-S31 LF (PMR446 license free)
Frequency Range UHF: 400-470 MHz PMR446: 446 MHz
Operating modes Analogue
Channels & zones Channel capacity: 48 Zone capacity: 3 Channels per zone: 16
Channel Spacing 12.5kHz / 20kHz / 25kHz
Operating Voltage 3.8 V (rated)
Battery 2200mAh Li-Polymer
Battery Life (5/5/90 Duty Cycle, TX Power) 15 hrs (Tx power 3W) 22 hrs (Tx power 1W) 27 hrs (Tx power 0.5W)
Frequency Stability ±2ppm
Antenna Impedance 50 Ω
Dimensions (HxWxD) 108 x 53 x 20 mm (without antenna)
Weight (with battery and antenna) 145 g (with belt clip) 135 g (without belt clip)
Bluetooth BT 5.0 BLE (only data)
Receiver
Conducted Spurious Emission <-57 dBm
Audio Response +1~-3 dB
Rated Audio Distortion ≤5%
Sensitivity(Analog) 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:84dB
Hum&Noise 40 dB @12.5 kHz 43 dB @20 kHz 45 dB @25 kHz
Rated Audio Power Output 0.5W
Transmitter
Audio Distortion ≤3%
Adjacent Channel Power 60 dB @12.5 kHz 70 dB @20/25 kHz
FM Hum&Noise 40 dB@12.5 kHz; 43 dB@20 kHz; 45 dB@25 kHz
Modulation Limiting ±2.5 kHz@12.5 kHz; ±4.0 kHz@20 kHz; ±5.0 kHz@25 kHz
Conducted/Radiated Emission -36 dBm<1 GHz -30 dBm>1 GHz
FM Modulation 11K0F3E @12.5 kHz 14K0F3E @20 kHz 16K0F3E @25 kHz
Power Output 1W / 3W (400-470 MHz) 0.5 W (446MHz)
Audio Response +1 ~ -3 dB
Environment
Storage Temperature -30°C to +70°C
ESD ±4kV (Contact) ±8kV (Air)
Operating Temperature -10°C to +55°C
hytera video player