Siyi AK28 HD/HD+ transmitter system integrated the latest 1080P HD video transmission,applied with the most advanced frequency hopping technology and ever-seen anti-interference RF algorithm. The control distance of AK28 HD can reach 5KM, and the control distance to AK28 HD+ can reach 15km.
Specifications:
Max Datalink Transmission Range (no interference, no blocking): 15km
Max Videolink Transmission range (no interference, no blocking):
● AK28 HD network port camera: 3.5-5KM HDMI camera 2.5-3.5KM
● AK28 HD+ 15kmData transmission working frequency: 2.400-2.483 GHzVideo transmission frequency:
● AK28 HD 5.8GHz
● AK28 HD+ 1.4GHzChannel： 14 channelsSupport models: Agriculture Drones /multi-rotor / fixed wing / glider / helicopterData Transmission support Flight control :
● Open-source flight control PIX, APM, etc
● BOYING PALADIN V2
● TopXgun T1-A
● woo zoom THEONE – A
● JIYI K3A, K3A pro, K++
● EFY
● DJI FC (need convert module)
and etc…

GROUND STATION (TRANSMITTER)
Device for Display: 7″, Android OS, 2G RAM + 16G ROM
Dimensions: 308 x 148 x 72 mm
Item Weight: 1330 g
Battery Type: 13000 mAh LiPo 1S 3.7V
Battery Working Temperature: 0℃ ~ 55℃
Charging: Micro-USB 5V/2A
Working Time: AK28 HD＞4H/AK28 HD+>3H
(This result comes from 55℃ environment, maximum screen brightness, datalink/video link are woking)

SKY STATION (RECEIVER)
Signal Output: 14 Channels of S.BUS, 5 channels of PWM
Video Signal Input: Network port, HDMI (HDMI adapter required)
Datalink Port (to FC): UART, CAN (optional)
Dimensions (without antennas): 61 x 60 x 21 mm
Item Weight (without antennas): 82 g
Antenna Gain: 5 dBi
Working Voltage: 15 – 50 V
Telemetry Voltage: 15 – 50 V
Operating Temperature: -10℃ ~ 55℃

HDMI Adapter:
Camera interface: HDMI, Mini HDMI, Micro HDMI
Shipped with Micro HDMI as default
Input interface: Micro HDMI
Dimension (without antenna): 82x65x17mm
Weight: 62g
Working temperature: -10℃ ~ 55℃

Siyi AK28 HD Package Included:
1 x Siyi AK28 HDTransmitter
1 x Sky Station (Receiver )
4 x 5.8G antenna
3 x 2.4G antenna
1 x 4-pin Data Cable
1 x 8-pin videolink cable
1 x Micro USB OTG Data Cable
1 x 5V/2A USB Charger
1 x Upgrading Tool
1 x Strap Belt
1 x Storage Case

Siyi AK28 HD+ Package Included:
1 x Siyi AK28 HD+Transmitter
1 x Sky Station (Receiver )
4 x 1.4G antenna
3 x 2.4G antenna
1 x 4-pin Data Cable (or a flight controller cable)
1 x 8-pin videolink cable
1 x Micro USB OTG Data Cable
1 x Upgrading Tool
1 x Strap Belt
1 x Storage Case
1 x Battery charger