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| Categories | Mini COFDM Transmitter | 
|---|---|
| Brand Name: | HOWMELLY | 
| Model Number: | HMMIT04 | 
| Certification: | CE,FCC,ROHS | 
| Place of Origin: | CHINA | 
| MOQ: | 1 set | 
| Price: | Negotiation | 
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability: | 1000sets per month | 
| Delivery Time: | 5-15days | 
| Packaging Details: | 1 whole set strictly packed in paper carton or wooden case | 
| Frequency: | 300-900MHz | 
| Bandwidth: | 4,6,8MHz | 
| Output Power: | 1.5W | 
| Modulation: | COFDM 2K QPSK/TDS-OFDM | 
| Video Bit Rate: | 10-15mbps | 
| Weight: | 107g | 
| Video Input: | HDMI,AV | 
| Transmit Distance: | NLOS 1KM;UAV 20- 30KM | 
20KM 30KM LOS HDMI SDI Mini COFDM Transmitter for drone mapping UAV
Description:
HMMIT04 mini transmitter only weights 107g and it supports more than 20-30KM LOS transmision for UAV,drone.
This model has excellent heat dissipation function and high quality digital video processing&video
encoding and decoding. It can stably transmitter video&audio signal under the condition of high-speed mobile and multipath interference
Key Feature:
1. Small size and light weight(only 107g) for long range high definition video transmission
2. High resolution 1080P(1920*1080)compatible with 720× 576
3. Integrated PCB design for stable Audio Video transmission
4. Low consumption; Excellent anti-interference performance under complex electromagnetic condition
5. Can stably transmitter video&audio signal under the condition of high-speed mobile and multipath interference
6. High quality digital video processing&video encoding and decoding&HDMI picture
7. Can transmitter under a variety of complex weather conditions
Transmitter Picture:

Transmitter Technical Specification:
| General Part: | |
| Working Frequency: | 300MHz~900MHz | 
| Output Power: | 0.1~1.5W | 
| Modulation: | COFDM 2K QPSK/TDS-OFDM | 
| Channel Bandwidth | 1.25/2/4/6/8MHz (Optional) | 
| Code Stream | 0.8Mbps~10Mbps | 
| End-to-end Delay | 40ms | 
| Error Rate: | ≤10-6 | 
| Encryption: | Optional (AES/ABS(128bit)) | 
| FEC: | Viterbi (1/2,2/3,3/4) | 
| Guard Interval: | 1/32,1/16,1/8,1/4 | 
| Power Supply | DC12V | 
| Transmit Distance | About 30KM from air to ground for UAV | 
| Audio&Video Part: | |
| Audio Video Data Format: | H.264,MPEG-2 ,MPEG-4@ML 4:2:2 compatible with ML 4:2:0 | 
| Video Compression: | Conform to H.264,MPEG-2,MPEG-4 | 
| Video Input: | HDMI and AV | 
| Resolution: | 1080P(1920*1080)compatible with 720× 576@ transmit rate is 30fps. | 
| Others: | |
| Antenna: | Hand held antenna | 
| Battery: | Without | 
| Weight: | 120g(without battery) | 
| Size: | 8.5cm×6.5cm×2.2cm(L × W ×H) | 
| Working Temperature: | -30~70℃ Relative humidity :90% | 
| Reserve Temperature: | -40~80℃; Relative humidity: 90% | 
Receiver HMMIR01 Technical Parameter
| General Part: | |
| Work Frequency: | 300MHz~900MHz, | 
| Receive sensitivity: | -106dBm | 
| End to End Delay: | 40ms | 
| Power supply: | DC12V | 
| Audio&Video: | |
| Video output: | HDMI, AV | 
| Video compression: | H.264, MPEG-2 ,MPEG-4@ML 4:2:2 compatible with 4:2:0 | 
| Resolution: | 1080P(1920*1080) compatible with 720×576 | 
| Record function: | USB port | 
| Others: | |
| Space diversity: | Available | 
| Antenna: | Standard omnidirectional antenna | 
| Weight: | TBD | 
| Size: | 120x90x25mm | 
| Interface: | HDMI and AV, USB port for record function | 
| Work environment: | Temperature:-30~70℃ Relative humidity:90% | 
| Reserve environment: | Temperature:-40~80℃ Relative humidity:90% | 
Our Service:
1. Lifelong maintainance
2. 24 hour technical support
3. Strong R&D capability; Customized project is welcomed
4. High quality product with competitive price,short delivery time and responsible after-sale service
                                 
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