FREQUENCY PROGRAMMING CHART
Channel Frequency Table
White denotes dip switch position
UP or DOWN
Master Unit
Remote Unit
Frequency (MHz)
Frequency (MHz)
CH
TX
RX
TX
RX
1
2457.5714 MHz
2400.9685 MHz
2400.9685 MHz
2457.5 MHz714
2
2457.6784 MHz
2401.0755 MHz
2401.0755 MHz
2457.6784 MHz
3
2457.7854 MHz
2401.1825 MHz
2401.1825 MHz
2457.7854 MHz
4
2457.8924 MHz
2401.2895 MHz
2401.2895 MHz
2457.8924 MHz
5
2457.9994 MHz
2401.3965 MHz
2401.3965 MHz
2457.9994 MHz
6
2458.1064 MHz
2401.5035 MHz
2401.5035 MHz
2458.1064 MHz
7
2458.2134 MHz
2401.6105 MHz
2401.6105 MHz
2458.2134 MHz
8
2458.3204 MHz
2401.7175 MHz
2401.7175 MHz
2458.3204 MHz
9
2458.4274 MHz
2401.8245 MHz
2401.8245 MHz
2458.4274 MHz
10
2458.5344 MHz
2401.9315 MHz
2401.9315 MHz
2458.5344 MHz
11
2458.6414 MHz
2402.0385 MHz
2402.0385 MHz
2458.6414 MHz
12
2458.7484 MHz
2402.1455 MHz
2402.1455 MHz
2458.7484 MHz
13
2458.8854 MHz
2402.2525 MHz
2402.2525 MHz
2458.8554 MHz
14
2458.9624 MHz
2402.3595 MHz
2402.3595 MHz
2458.9624 MHz
15
2459.0694 MHz
2402.4665 MHz
2402.4665 MHz
2459.0694 MHz
16
2459.1764 MHz
2402.5735 MHz
2402.5735 MHz
2459.1764 MHz
17
2459.2834 MHz
2402.6805 MHz
2402.6805 MHz
2459.2834 MHz
18
2459.3904 MHz
2402.7875 MHz
2402.7875 MHz
2459.3904 MHz
19
2459.4974 MHz
2402.8945 MHz
2402.8945 MHz
2459.4974 MHz
20
2459.6044 MHz
2403.0015 MHz
2403.0015 MHz
2459.6044 MHz
21
2459.7114 MHz
2403.1085 MHz
2403.1085 MHz
2459.7114 MHz
22
2459.8184 MHz
2403.2155 MHz
2403.2155 MHz
2459.8184 MHz
23
2459.9254 MHz
2403.3225 MHz
2403.3225 MHz
2459.9254 MHz
24
2460.0324 MHz
2403.4295 MHz
2403.4295 MHz
2460.0324 MHz
25
2460.1394 MHz
2403.5365 MHz
2403.5365 MHz
2460.1394 MHz
26
2460.2464 MHz
2403.6435 MHz
2403.6435 MHz
2460.2464 MHz
27
2460.3534 MHz
2403.7505 MHz
2403.7505 MHz
2460.3534 MHz
28
2460.4604 MHz
2403.8575 MHz
2403.8575 MHz
2460.4604 MHz
29
2460.5674 MHz
2403.9645 MHz
2403.9645 MHz
2460.5674 MHz
30
2460.6744 MHz
2404.0715 MHz
2404.0715 MHz
2460.6744 MHz
31
2460.7814 MHz
2404.1785 MHz
2404.1785 MHz
2460.7814 MHz
32
2460.8884 MHz
2404.2855 MHz
2404.2855 MHz
2460.8884 MHz
33
2460.9954 MHz
2404.3925 MHz
2404.3925 MHz
2460.9954 MHz
34
2461.1024 MHz
2404.4995 MHz
2404.4995 MHz
2461.1024 MHz
35
2461.2094 MHz
2404.6065 MHz
2404.6065 MHz
2461.2094 MHz
36
2461.3164 MHz
2404.7135 MHz
2404.7135 MHz
2461.3164 MHz
37
2461.4234 MHz
2404.8205 MHz
2404.8205 MHz
2461.4234 MHz
38
2461.5304 MHz
2404.9275 MHz
2404.9275 MHz
2461.5304 MHz
39
2461.6374 MHz
2405.0345 MHz
2405.0345 MHz
2461.6374 MHz
40
2461.7444 MHz
2405.1415 MHz
2405.1415 MHz
2461.7444 MHz
Simultalk 24G
Full Duplex
Wireless
Communication
System
09/2010
www.eartec.com
E
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S
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2
4
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F
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D
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x
W
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s
s
GENERAL
Dimensions
2.5”w x 1”d x 4.25”h
Weight
5 oz
Modulation
Frequency modulation
Tuning
PLL Frequency synthesizer
Power
4.8V NiMh Battery, 700 mAH
Battery life
Standby(70mA)=10 hours
Communication(150mA)=5 hrs
Charging time
150mA/hours fast,12 hrs for full
Range
Up to 150 yards
Antenna
Internal
TRANSMITTER
Output
50mV/m (FCC Part 15)
Deviation
30KHz/+-10KHz
Modular distortion
<5%
Spurious radiation
>50 dBC
RECEIVER
Sensitivity
<-100dBm @ 12dB SINAD
IF bandwidth
180KHz
Image rejection
>60 dB
Operating temp
-10 to +40
O
C
Switches
Off/Vol, Full/Standby
Specifications
Warranty
Eartec communication systems are warranted from malfunction due to manufacturing defects by the original purchaser for
the following periods after date of purchase:
Transceivers
Headsets
Digicom
1 year
Heavy Duty
1 year
MC-1000
1 year
Midweight
6 months
TD900
6 months
Lightweight
30 days
Simultalk 24G
6 months
Rechargeable batteries
60 days
What is Covered
If you require warranty service for your product within the warranty period ship your product pre-paid only to
Eartec. The end user is responsible for the initial shipping charges to our facility. Eartec will pay the return ground shipping charges if
the product is covered under the warranty.
This warranty covers defects in materials and workmanship in all Eartec products excluding:
(a) Damage from misuse, abuse, or general wear and tear.
(b) Repairs or product modifications by anyone not authorized by Eartec Co.
General Service / Returns
All repair work due to general wear and tear will be performed for the cost of replacement parts,
radio retuning and return shipping from the Eartec factory.
Service, Eartec Co.
145 Dean Knauss Drive
COD
or
Collect
deliveries will not be accepted.
Narragansett, RI 02882
1-800-399-5994 or (401) 782-4966
A letter explaining any problems and work to be performed must accompany each repair shipment with:
Name, Business, Complete
Address, Telephone Number, Email Address
Eartec products may be returned for credit or refund only if received in the original packing and in “As New” condition within 30 days of
date of purchase.
CH 1
CH 2
CH 3
CH 4
CH 5
CH 6
CH 7
CH 8
CH 9
CH 10
CH 11
CH 12
CH 13
CH 14
CH 15
CH 16
CH 17
CH 18
CH 19
CH 20
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
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1
2
3
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7
8
1
2
3
4
5
6
7
8
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
CH 21
CH 22
CH 23
CH 24
CH 25
CH 26
CH 27
CH 28
CH 29
CH 30
CH 31
CH 32
CH 33
CH 34
CH 35
CH 36
CH 37
CH 38
CH 39
CH 40
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down
U p
Down