Kirisun S780: Digital UHF HT

A while back the 409Shop posted a teaser for a V689U digital radio and some folks pointed out that it might be a Kirisun radio.

This morning I saw that the 409Shop is featuring the Kirisun S780 Digital UHF (400 - 470) handheld transceiver for $128 USD:

"The transceiver is a micro-miniature multiband FM transceiver with extensive receive frequency coverage,providing local-area two-way amateur communications along with unmatched monitoring capability."

Number 17 is a good sign - firmware updates!

Product Features:

Excellent noise suppression, digital voice clarity

Digital / analog compatible analog devices to ensure a smooth transition

Ten million sets of figures key voice encryption, safe and secure

Digital intelligent signaling, richer management scheduling function

Function Description:

1, FDMA frequency division multiple access technology, spectrum efficiency improved several times;

2, support digital mode, analog mode

3, the digital voice encryption

4, a variety of call mode, all call, group call, a call, emergency call

5, PTT default contact (group) call

6, the emergency alarm (single, joint) 3 × 4 modes

7, Stun, activate

8, the working status query

9, the digital power saving mode

10, 1.8-inch large LCD display, support icon display for easy SMS messages, call records read;

11, low power, signal strength, battery capacity display, real-time understanding work status

12, call history, call records can be displayed 20;

13, address book function, support 50 contacts;

14, you can edit SMS function, the default shortcut short message

15, manual dialing

16, calls and SMS ringing Tips

17, firmware programming mode (software upgrades);

General features:

1, in English operation interface

2, the emission of high and low power selectable

3, three-color LED indicates sending, receiving, scanning and other state

4, channel lock, keypad lock function

5, whisper function

6, sub audio / digital tone

7, the end eliminate

8, the monitoring function

9, mixed scanning

10, TOT emission limit protection

11, the calculator

Technical parameters	S780U
General Specifications
Frequency	400—470MHz
Number of channels	256
Channel spacing	12.5kHz
Operating Temperature	-25℃~+55℃
Antenna Impedance	50Ω
Microphone impedance	2.2kΩ
Frequency Stability	±2.5ppm
Battery (standard configuration)	Model: KB-760, lithium battery DC 7.5V ± 20% 1500mAh
Volume (length × width × thickness)	116 mm x54 mm x30 mm
Weight	136 g (main unit only) / 240 g (with battery and antenna host)
Receiving part
Sensitivity	≤-121dBm
Adjacent Channel Selectivity	≥60
Intermodulation Immunity	≥60dB
Spurious response	≥60dB
Audio output power	≥ 1000mW (distortion is less than 5%, 16Ω load)
Audio response	Analog: +2 / -6 dB
Transmitting section
RF Power	4W (High) / 1W (low)
Modulation	Digital: 4FSK Analog: 11KΦF3E
Clutter and harmonic	≤-70dBm
SNR	Analog:> 35 dB
Audio Distortion (300-3000Hz)	≤5%
Modulation limit	Digital: ± 2.5kHz
Modulation characteristics	Analog: +2 / -6 dB