Technical specification of HR-1028A RF module:

Power Output: ≤ 500mW) < customize t;
RF Line-of-sight Range: 2Km@9600bps, 3Km@1200bps
RF Effective Rate: 1200~38400bps optional, 57600bps customized
Receiver Sensitivity: -123dBm@1200bps, -118dBm@9600bps
NETWORKING
Networking Topology: Point-to-point, point-to-multipoint
POWER
Supply Voltage: 5V DC(customized according requirement)
Transmitting Current: < 350mA
Receiving Current: < 28mA (TTL connect)
Sleeping Current: < 20µ A
GENERAL
Frequency Band: 433MHz(Default), 450MHz~915MHz(customized)
Communication Mode: Half-duplex
Channel: 8(Default), 16/32(customized)
Interface: RS-232/RS-485/USB/TTL optional
PHYSICAL PROPERTIES
Size: 80mm*45mm*20mm (without antenna port)
Antenna Impedance: 50Ω SMA (multiple antenna options available)
Operating Temperature: -35~+75 C
Frequency Stability; ± 2.5ppm

Application Area:
* AMR Automatic Meter Reading
* Wireless alarm and security systems
* LED display screen in thruway and public places
* Building automation, security, wireless monitoring and control of room equipment, Access Control System;
* Wireless data transmission, automatic data collection system;
* Low power telemetry
* 433 / 868 and 915 MHz ISM/SRD band systems
* Data radio can be used for Wireless conference voting system;
* Mapping;
* Radio modem can be used for Sports training & competition;
* Wireless dishes ordering;
* Wireless POS, PDA wireless smart terminal;
* RF modem can be used for Electronic bus station and intelligent traffic;
* RF transmitter Wireless electronic display screen and queuing machine;
* Wireless telemetry Charging for parking, parking lot;
* Wireless modem Automobile inspection and four-wheel orientation;
* Wireless sensor Industrial wireless remote control and air conditioning remote controller;
* Observation and predication of oil well and hydrological information;
* Wireless RS232/RS485 conversion/connector;
* Point to multi-point wireless network, wireless on-the-spot bus and automatic data collection system;

Contact: Mr Jet Zhang
Tel: 86 755 81782516
Mobile: 86 ( 0 ) 158 138 56667
Fax: 86 755 23007123 
E-mail: sales@ohglrf.com 
MSN: jetzhangcn@hotmail.com
Skype: jet20071204
 
Company: Oriental Huaray Group Limited
Add: Floor 2, Building A, Huaxia Industrial Park, Guangming Road, Shiyan BaoAn district, Shenzhen 518108, China  
Website: www.ohglrf.com

www.rf-transceiver-module.com