contacta RF-HM Radio Frequency Systems User Guide

contacta RF-HM Radio Frequency Systems

Product Information

Specifications

• Product Name: Radio Frequency Systems
• Transmission Type: FM Radio Frequency
• Intended Use: Wireless transmission of speech or music
• Range: Up to 100 meters in buildings
• Channels: Up to 42 channels simultaneously

Product Usage Instructions

Transmitters
The transmitters are connected to an audio source like a microphone or PA system and send signals to compatible RF receivers.

Radio Frequency Rack Transmitter (RF-TXRM-865/RF-TXRM-915)
The Rack Transmitter is designed for wireless and amplified assistive listening in large venues. It operates on either 865MHz or 915MHz frequencies.

Applications: Large venues, assistive listening systems

What’s in the Box: Transmitter unit, power adapter, user manual

Physical Data:

• Dimensions: Mixed
• Weight: 1.25kg (2.75lbs)
• Finish: Mixed

Portable Radio Frequency Transmitter (RF-TX1-865/RF-TX1-915)
The compact Portable Transmitter sends signals of speech or music to compatible portable receivers across selectable channels. Available in 865MHz or 915MHz versions.

Receivers
The receivers can be used with Inductive Neck Loops for direct sound reception in T Coil enabled hearing instruments.

FAQ

• Q: What is the wireless coverage range of the transmitters?
  A: The transmitters have an approximate wireless coverage of 100 meters in line of sight at high power.

• Q: How many channels are accessible on the 865MHz version?
  A: The 865MHz version allows access to 42 channels, while the 915MHz version has 25 available channels.

Radio Frequency Systems
High-quality, portable, and fixed wireless transmission of speech or music over FM radio frequency. Delivering superb intelligibility and crystal-clear amplified sounds.

Note:
Contacta has a policy of continuous product development. Therefore, small specification changes may not be reflected in this catalog. Images, labels, packaging, accessories, and product colors are subject to change without notice.

Introduction

Radiofrequency systems provide clear sound for assistive listening in small or large public venues and tour guide applications.

• Contacta RF assistive listening system is ideal for when sound sources need to be wirelessly transmitted across large areas, sending signals through walls, ceilings or other obstacles regardless of building characteristics.
• Transmitters are connected to an audio source such as a microphone or PA system and send signals to compatible RF receivers. Our system can utilize up to 42 channels simultaneously with a range of up to 100 meters in buildings.
• Receivers can be used with Inductive Neck Loops, allowing users to receive the sound directly in their T-Coil-enabled hearing instrument.

Transmitters

Radio Frequency Rack Transmitter
RF-TXRM-865/RF-TXRM-915

• The Radio Frequency Rack Transmitter is available in either 865MHz or 915MHz (USA/AU) frequencies. It uses internationally approved FM frequencies to transfer clear sound to portable receivers.
• It is designed to provide wireless and amplified assistive listening in large venues from a sound source to compatible RF receivers using FM radio waves.

Applications:
Designed to deliver wireless FM assistive listening in large public venues and for interpretation.

• Lecture Halls
• Auditoriums
• Meeting Rooms
• Conferences
• Places of Worship

What’s in the Box:

• Radio Frequency Stationary Transmitter
• Power Supply Adaptor
• 19” Rack Mount Bracket
• Earth (Ground) Cable for Optional Use
• Fixing Screws
• TNC Rod Antenna

Compatible Accessories

• Portable Radio Frequency Receiver
• Remote Antenna Kit

Physical Data:

Dimensions

| Height – 51mm (2”) Width – 215mm (8.46”) Depth – 210mm (8.26”)
---|---
Weight| 1.25kg (2.75lbs)
Finish| Mixed

Product Code:

Technical Data:

RF Output Power

| Hi: 18 dBm

Mid: 13 dBm (country dependant) Lo: 10dBm

Antenna| TNC connector
Headphone Output| 200mW @ 32 ohm

Inputs

| Mic in: 3.5mm & 6.3mm Aux in: RCA

Loop in: 6.3mm

Incoming Bluetooth™ streaming

Mic/Line Inputs

| Mic Input: -30dBv

Line Input Limits: 10dBv Unbalanced/Balanced connections available

XLR Connector| Level= \-30dBv Balanced Connection

Mic-In Connectors

| Mono/Stereo Aux out-Mono Mic Level–30dBv

Connectors

| AUX IN = Audio Source MIC IN = Dynamic Mics PH PWR = Electret Mics

Outputs

| Earmic out: 3.5mm, stereo Aux out RCA

Loop out:6.3mm

Wireless Coverage| Approx. 100 meters (line of sight @ Hi-power)
Power Requirements| 100 ~ 240 V AC / 12 V DC, 1A switching power
Frequency Response| 70Hz – 12kHz
Channel| 42 channels are accessible on the 865MHz version. 25 channels are available on the 915MHz version
Display| Backlit OLED
Software| Smart programming software for fast set-up of multiple receivers

Front/Rear Panels:

Portable Radio Frequency Transmitter
RF-TX1-865 / RF-TX1-915

• The compact Portable Radio Frequency Transmitter sends signals of speech or music to compatible portable receivers across selectable channels. Two versions respectively work on 865MHz or 915MHz (USA/AU) frequencies.
• The transmission range is up to 100 meters in an open field, and there is no limit to the number of receivers that can be used per group. The transmitter utilizes digital audio transmission technology. A micro-USB power supply provides fast and simple charging and the unit can also be charged using the drop-in RF-DC24 charging case.

Applications:
Ideal for situations where listeners require clear sound for tour guidance or private group interactions.

• Museums
• Historical Sites
• Exhibitions/Events/Conferences
• Outdoor Tours

What’s in the Box:

• Portable Radio Frequency Transmitter
• Lanyard
• Micro-USB Power Cable
• Lapel Microphone
• 2 x AA 1.2V 2100mAh rechargeable (NiMH) batteries

Compatible Accessories

• Portable Radio Frequency Receiver
• 24 Bay Charging Case
• Ear-Worn Microphone
• Discreet Microphone

Technical Data:

RF Output

| High: <10 mW for 863~865, 915~928MHz Low: 2~6mW
Mic Input| 3-pole Mini XLR
Audio input| 3.5mm
Batteries| 2 x AA 1.2V 2100mA rechargeable (NiMH)
Battery Life| >8 hours
Operation Range| >50 meters
Frequency Response| 70Hz – 12kHz
Channel| 42 channels are accessible on the 865MHz version. 25 channels are available on the 915MHz version
Display| White Backlit LCM
Channel-lock| Auto-Lock for the selected channel
Software| Smart programming software for fast setup of multiple receivers

Physical Data:

Dimensions

| Height – 88mm (3.46”) Width – 64mm (2.51”) Depth – 29mm (1.14”)
---|---
Weight| 113.5g (0.25lbs)
Finish| Mixed

Product Code:

Portable Radio Frequency Handheld Transmitter
RF-TXHH-865/ RF-TXHH-915

• This hand-held microphone has an integrated multi-frequency transmitter and UHF technology. It is for use with Portable Radio Frequency Receivers, with two versions available that respectively work on 865MHz or 915MHz (USA/AU) frequencies.
• This microphone transmits sound wirelessly and directly to groups of receivers programmed on the same channel, making it ideal for use in lectures, events, and educational venues.

Applications:
Ideal for use in education venues or when a speaker addresses a group of people directly.

• Museums
• Educational Venues
• Community Centres
• Lecture Halls
• Entertainment Venues

What’s in the Box:

• Portable Radio Frequency Handheld Transmitter
• 2 x AA Alkaline batteries

Compatible Accessories:

• Portable Radio Frequency Receiver
• Micro-USB Power Cable [USB-M100]

Technical Data:

RF Output

| High: <10 mW

Low: <1 mW

Battery| 2 x AA alkaline / rechargeable NiMH battery (rechargeable batteries not supplied, alkaline included)
Battery Life| >8 hours
Operation Range| >50 meters
Connectors| Micro-USB charge port
Channel| 42 channels are accessible on the 865MHz version. 25 channels are available on the 915MHz version

Physical Data:

Dimensions

| Diameter – 49mm (1.9”) Height – 258mm (10.1”)
---|---
Weight| 270.5g (0.59lbs)
Finish| Grey

Product Code:

Receivers

Portable Radio Frequency Receiver
RF-RX1-865 / RF-RX1-915

• A lightweight Portable Receiver is compatible with all Contacta RF-865/915 transmitters. The wide frequency bandwidth of this system makes it ideal for the transmission of both speech and music, delivering crystal-clear intelligible sound.
• The system offers fast programming of up to 42 selectable channels and there is no limit to the number of receivers that can be used in each group. The receiver can be used for either assistive listening or tour guide applications.
• Recharging the RF-RX1 is quick and easy using the RF-DC24 drop-in charging case.
• We offer two versions that respectively work on 865MHz (UK/EU) or 915MHz (US/AUS) frequencies.

Applications:
Ideal for assistive listening, tour guidance, or interpretation.

• Museums
• Historical Sites
• Exhibitions/Events/Conferences
• Outdoor Tours
• Assistive Listening

What’s in the Box:

• Portable Radio Frequency Receiver
• Lanyard
• Micro-USB Power Cable
• Earphones
• 2 x AA 1.2V 2100mAh Rechargeable Batteries

Compatible Accessories

• Portable Radio Frequency Transmitter
• Stationary Radio Frequency Transmitter
• Portable Radio Frequency Handheld Transmitter
• 24 Bay Charging Case
• Inductive Neck Loop
• Headphones

Technical Data:

available on the 915MHz version
Display| White Backlit LCM
Channel Lock| Auto-Lock for the selected channel
Software| Smart programming software for fast setup of multiple receivers

Physical Data:

Dimensions

| Height – 88mm (3.46”) Width – 64mm (2.51”) Depth – 29mm (1.14”)
---|---
Weight| 109.5g (0.24lbs)
Finish| Mixed

Product Code:

Microphones

Ear-worn microphone for use with RF-TX1

RF-TX1-EM
This ear-worn microphone is compatible with the Portable Radio Frequency Transmitter [RF-TX1-865/915]. It comes with a 1.2m cable and mini-XLR connector. Enables hands-free communication with clear sound using a high- quality Condenser microphone capsule.

Applications:
Ideal for tour guidance or private group interactions.

• Museums
• Historical Sites
• Exhibitions/Events/Conferences
• Outdoor Tours

Physical Data:

Dimensions

| Height – 60mm (2.3”) Width – 32mm (1.25”) Depth – 160mm (6.2”) Lead Length – 1.2m (47.2”)
---|---
Weight| 10.5g (0.02lbs)
Finish| Beige

Technical Data:

Sensitivity

| -47 ± 3 dB @f = 1 kHz, S.P.L = 1Pa,

0 dB=1V / 1pa

-67 ± 3 (0dB = 1 V/microbar)

Frequency Response| 70 – 16kHz

Product Code:

Lapel Microphone for use with RF-TX1

RF-TX1-LM
This lapel microphone is compatible with the Portable Radio Frequency Transmitter. It includes a tie clip and a 1m cable with a mini-XLR connector. It enables hands-free communication with clear sound using a high-quality Condenser microphone capsule.

Applications:
Ideal for tour guidance or private group interactions.

• Museums
• Historical Sites
• Exhibitions/Events/Conferences
• Outdoor Tours

Physical Data:

Dimensions

| Mic:

Height – 11.4mm (0.44”) Width – 11.4mm (0.44”)

Depth – 24.7mm (0.97”) without clip

Clip:

Height – 6.5mm (0.25”)

Width – 44.2mm (17.4”) [40.5mm (1.59”) without clip]

Lead Length – 1000mm (39.3”)

---|---
Weight| 24g (0.05lbs) with clip
Finish| Black

Technical Data:

0 dB=1V / Pa

Frequency Response| 180 Hz – 17kHz

Product Code:

Discreet Headset Microphone

RF-HM
This microphone is compatible with the RF-TX1 Portable Radio Frequency Transmitter. Its unique design offers improved comfort for long-term use. The two ear hooks and its rear-head frame make it comfortable and lightweight, assisting in effortless hands-free communication, using a high-quality Condensor microphone Capsule.

Physical Data:

Dimensions

| Capsule Housing Diameter – 5mm (0.19”) Capsule Housing Length – 6mm (0.23”) Boom length – 110mm (4.33”)

Lead Length – 1300mm (51.18”) Lead Diameter – 1.5mm (0.05”)

---|---
Weight| 30 ± 5g (0.06lbs ± 0.01lbs)
Finish| Black

Technical Data:

Product Code:

Listening Options

Headphones

RF-HP1
Overhead headphones compatible with the RF-RX1 Portable Radio Frequency Receiver. It has a standard 3.5mm audio jack and a 1m lead.

Physical Data:

Dimensions

| Height – 175mm (6.80”) Width – 150mm (5.09”) Depth – 15mm (0.59”)

Lead Length – 2 metres (78.7”)

---|---
Weight| 48g (0.10lbs)
Finish| Black

Technical Data:

Product Code:

Inductive Neck Loop

RF-NL1
The Inductive Neck Loop is a compact listening device compatible with our RF- RX1 Portable Radio Frequency Receiver. When connected to the receiver, the RF- NL1 will produce a magnetic field that lets users with Telecoil-enabled hearing instruments receive the sound directly in their hearing aids.

Physical Data:

Dimensions

| Loop Cable Length – 800mm (31.5”) Loop Cable Diameter – 4mm (0.15”)

Cord Cable Length – 450mm (17.7”) Cord Cable Diameter – 3mm (0.12”)

---|---
Weight| 57g (0.12lbs)
Finish| Black

Technical Data:

Product Code:

Charging Equipment

24-Bay Charging Case for Portable Receiver/Transmitter

RF-DC24

• This charging case is for use with the Portable RF Transmitter and Portable RF Receiver and can hold up to 24 devices in an upright position. The case is portable and charging is a simple drop-in connection.
• The built-in digital panel enables fast and easy programming of multiple devices, including data-copy and channel-sync for compatible transmitters and receivers. This allows fast setup from a master device.

Applications:
Ideal for situations where listeners require clear sound, tour guidance, or interpretation.

• Museums
• Historical Sites
• Exhibitions/Events/Conferences
• Outdoor Tours
• Assistive Listening

What’s in the Box:

• 24-Bay Charging Case for RF Receiver/Transmitter
• Power Supply Unit
• USB Drive with PC Programming Software

Technical Data:

5A
Ambient Temperature| 0C ~ 40C (32F-104F)

Physical Data:

Dimensions

| Height – 437mm (17.2”) Width – 266mm (10.4”) Depth – 170mm (6.6”)
---|---
Weight| 4.69kg (10.3lbs)
Finish| Mixed (Silver/Black)
Construction| High-grade metallic protective case with inner padding

Product Code:

Accessories and Spare Parts

Accessories

Remote Antenna Kit for Stationary Transmitter

RF-TXRA

• The Remote Antenna Kit is for use with the Radio Frequency Stationary Transmitter RF-TXRM.
• This kit allows secured repositioning of the TNC antenna at the front of an Audio Rack, for improved signal strength.

Physical Data:

Dimensions

| Long Ear

Length – 241 mm (9.5”)

Height – 44 mm (1.7”)

Width – 40 mm (1.6”)

Short Ear

Length – 26 mm (1.02”)

Height – 44 mm (1.7”)

Width – 40 mm (1.6”)

Steel Plate Depth – 1.6 mm (0.06”) Lead Length – 1500 mm (59”)

---|---
Weight| 295g (0.65lbs)

Technical Data:

Product Code:

In-Ear Headphones

RF-IEH
The In-Ear Headphones are compatible with the Portable Radio Frequency Receiver. It has a standard 3.5mm audio jack and a 1m lead.

Physical Data:

Dimensions

| Cable

Length – 1050mm (41.3”) Diameter – 1mm (0.04”)

Earbuds

Height – 30mm (1.18”) Depth – 15mm (0.59”) Width – 18mm (0.71“)

---|---
Weight| 10.5g (0.02lbs)
Finish| Black

Technical Data:

with Vrms input=178 mV

Frequency Response| 10~10,000Hz

Product Code:

Rechargeable Battery

RF-BATT-AA
1.2V 2100mAh AA rechargeable (NiMH) battery for use with the Portable RF Transmitter and Portable RF Receiver.

Physical Data:

Dimensions

| Length – 50mm (1.9”) Depth –13mm (0.5”)
---|---
Weight| 27.6g (0.06lbs)

Technical Data:

Product Code:

Additional Spare Parts:

Contact Information

Contact us now on

• +44 (0) 1732 223900

• sales@contacta.co.uk

• +44 (0) 1732 223909

• Contacta Systems Ltd
  Office 13, Dana Estate Transfesa Road Paddock Wood, Kent TN12 6UT United Kingdom

• www.contacta.co.uk.

References

• Innovative assistive technology solutions - Contacta

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