I: About KYL-500L
KYL-500L, the micro power wireless transceiver data module is designed for wireless POS terminal. With small size, low power consumption as well as good stability and reliability, it is also widely used for other embedded systems.

II. Technical parameter
PERFORMANCE
Power Output:  400mW
RF Line-of-sight Range: 2000m@1200bps; 1500m@9600bps

RF Effective Rate: 1200/2400/4800/9600/19200bps
Space Channel: 1MHz(Default),(12.5/25KHz Customization )
Bandwidth:  <25KHz
Receiver Sensitivity: -123dBm@1200bps (1% BER)

NETWORKING
Networking Topology: Point-to-point, point-to-multipoint
COMPATIBILITY
KYL-200 and KYL-300 and KYL-500 series
POWER
Supply Voltage: 5V DC (3.3V-3.6V optional)
Transmit Current: <350mA
Receive Current: <25mA
Sleep current: <1uA
GENERAL
Communication Mode: Half-duplex
Frequency Band: 400-470MHz
Channel: 8(default),16/32/64(optional)
Interface: TTL/UART
PHYSICAL PROPERTIES
Size: 49mm×23mm×10mm
(excluding antenna base and data pin)
Weight: 20g
Antenna Base: 50Ω,  SMA
Operating Temperature: Industrial:-40℃~+80℃(TCXO)
Frequency Stability: ±2.5ppm Industrial

III. Applications of KYL-500L
Wireless Dish-ordering system;
Automatic Meter Reading (AMR)
Wireless POS terminal,
Wireless PDA
Wireless alarm and security systems
Wireless data transmission, automatic data collection system;
IV. How to Use KYL-500L