2- Various crust for your choice
3- Frequency: 433Mhz (280- 868 MHz,more than 20 kinds of frequency for option)
4- Certificate: CE/ ROHS
5- Chip: 1527/ 2240/ 2262/ 2260/HCS300/ HCS301 etc. Optional for encoding
6- High stability:SMT components, SAW (sound wave resonator)
7- Application area: wireless alarms, wireless controlling devices