Features
☆ Auto Frequency Selection
• Chooses top grade RF IC with sophisticated design,
it provides great performance on radio channel selectivity
• No channel changing required when multiple radio
controller are used at the same time
☆ Radio Frequency Filtering
• A sophisticated surface acoustic wave(SAW) filter blocks
unwanted radio signal to ensure smooth radio link
☆ E-card ( plug and play )
• E-card works similar to SIM card in the mobiel phone
• All system data are carried on a small e-card for easy
transfer to a spare system when needed
• E-card is interchangeable between transmitter and receiver.
it allows spare transmitter or receiver to resume to work
without any downtime.
☆ E-card Duplicator
☆ Reliable Communication
☆ Budget & Environmental Saving
☆ Security Enhanced & Anti-Spy
☆ Heavy Duty

| General Specification | |
| Operating Temp. | -30℃~+85℃ | 
| Maximum Range | 20M~100M | 
| TX power supply | 2 AA size Alkaline batteries | 
| RX power supply | 24/36/48/110/220/380VAC±20%(single option) | 
| ID Code | 4.3 billion(32 bit an unique non-repeated) | 
| Model | Transmitter | Receiver | ||
| Dimension(mm) | Weight(g) | Dimension(mm) | Weight(g) | |
| F21-E2S | 135x55x40 | 155 | 200x85x60 | 785 | 
| F21-E2B | 165x75x45 | 295 | ||
| F21-E2M | 165x50x50 | 200 | ||
| F21-E2B-8 | 165x75x45 | 305 | 805 | |
| F21-E2M-8 | 165x50x50 | 210 | ||
| *weight with batteries | ||||
| Transmitter | 
| Dimension: 13.5 x 5.5 x 4.0 cm | 
| Weight: 155 g(without batteries) | 
| Transmitter Power: DC 3V(2 AA size batteries) | 
| Receiver | 
| Dimension: 20.0 x 8.5 x 6.0 cm | 
| Weight: 785 g(with wire cable) | 
| Receiver Power Supply: 24/36/48/110/220/380 VAC±20% | 
Some Accessories
