I: About KYL-300L
KYL-300L is a low power wireless transceiver data module. With metal shell, low power consumption as well as good stability and reliability, it is widely used as wireless data transceiver in industrial field. RS232, RS485, TTL and USB interface are selectable for this item.

II: Data sheet of KYL-300L:
PERFORMANCE
Power Output: 500mW(Default), (500mW~1W optional)
RF Line-of-sight Range: 3Km@1200bps; 2Km@9600bps

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

NETWORKING
Networking Topology: Point-to-point, point-to-multipoints
COMPATIBILITY
KYL                     
POWER
Supply Voltage: 5V DC (Default); (7.5~12V optional)
Transmit Current: <350mA
Receive Current: <28mA
Sleep current: <20uA
GENERAL
Communication Mode: Half-duplex
Frequency Band: 400-470MHz
Channel: 8(default),16/32/64(optional)
Interface: TTL/RS232/RS485/USB
PHYSICAL PROPERTIES
Size: 80mm×45mm×19mm
(excluding antenna base and data pin)
Weight: 80g
Antenna Base: 50Ω,  SMA
Operating Temperature: Industrial:-40℃~+80℃(TCXO)
Frequency Stability: ±2.5ppm Industrial

III: Application of KYL-300L:
* Automated Meter Reading
* Wireless alarm and security systems
* Building automation, security, wireless monitoring and control
* Wireless data transmission, automatic data collection system;
* Sports training & competition;
* Wireless POS, PDA wireless smart terminal;
* Wireless telemetry Charging for parking, parking lot;
* Automobile inspection and four-wheel orientation;
* Point to multi-point wireless network
* RS-485 to wireless solution