1. Scope
1.1 Accordance
The specification is issued pursuant to paragraph 1 of Article 42 of the Telecommunications Acts.
1.2 Application
1.2.1 Frequency Range
This specification only applies to the operating frequency range from 1880 ~ 1895MHz.
1.2.2 Application Equipment
The cordless system terminal comprises two elements, according to the radio interface referred to as a Fixed Part (FP) and a Portable Part (PP), to connect a public telecommunications network.
FP contains subscriber-owned private branch exchange (PBX), central control fixed part, basestation and home basestation (cordless telephone with wired station).
PP contains cordless telephone portable handset, wireless network relay stations, wireless network terminal.
1.3 Contents and Reference
This specification is to ensure no disturbance occurs of radio interface to the public network and applies to indoor cordless system equipment within the operating frequency range from 1880 ~ 1895MHz. The normative reference of the test items, conformance requirement, method of tests and relevant requirements for such terminal equipment are based on ETSI TBR 6, ETSI 300 175, ETSI 300 176 and ETC TBR 6 test arrangements. These limits have been chosen to comply with the international standards for a complete technical regulation.

2. Abbreviations
2.1 Abbreviations
The abbreviations of these requirements are as follows,

3. Required Test Items

4. Frequency Range and Channel Space
4.1 Test purpose
To verify that RF carrier of EUT shall comply with the required operating frequency range and the channel spacing.
4.2 Conformance requirement
Operating frequency range:
1880~1895MHz (channel number c=2,3,4,5,6,7,8,9)
Non-operating frequency range:
1895~1900MHz (channel number c=0,1)
Channel space: 1.728MHz
(Fc= F0 c×1.728MHz, where F0 = 1897.344MHz , and c=0 to 9 )
4.3 Method of measurement
a. The Lower Tester (LT) shall place the EUT in a mode whereby the EUT is positioned in a LT specified slot and RF channel c =0,1,2,3,4,5,6,7,8,9. If so equipped, the handover function in the EUT shall be disabled. And EUT shall be placed in a test mode whereby it performs the loopback function with LT.
b. The LT shall transmit a packet with a test sequence in the loopback field of the packet to EUT when RF channel c=2,3,4,5,6,7,8,9, except for c=0,1.
4.4 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex B. The test shall take place at a test site or in a test fixture. If the EUT has an antenna connector then it shall be used to connect the EUT to LT.

5. Stability & Accuracy of RF Carriers
5.1 Test purpose
To verify that stability and accuracy of RF carrier of EUT relative to the absolute frequencies reference or nominal carrier central frequency shall comply with the conformance requirements.
5.2 Conformance requirement
RFP: 50KHz
PP: 100KHz, during the first 1sec, from transmit mode to non-transmit ting mode
PP: 50KHz, at any other time
5.3 Method of measurement
a. The Lower Tester (LT) shall place the EUT in a mode whereby the EUT is positioned in a LT specified slot and RF channel c=5. If so equipped, the handover function in the EUT shall be disabled.
b. The EUT shall be placed in a test mode whereby it performs the loopback function.
c. The LT shall transmit a packet with a test sequence in the loopback field of the packet. This test sequence shall be such that the sequence 0000 1111 0000 1111 is transmitted at the antenna of the EUT in the loopback field of the reply packet.
d. Using the sampling method to capture a representation of the EUT's transmitted RF signal after allowing the EUT to be in active-locked state for more than 1 sec.
e. The EUT's carrier frequency for above d. shall be assumed to be the average of the measured absolute frequencies reference of the loopback bits.
f. According to the EUT type, step c. to e. shall be repeated until the following number of measurements have been made:
g. Step c. to f. shall be repeated for RF channels c=2 and 9.
5.4 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex B. The test shall take place at a test site or in a test fixture. If the EUT has an antenna connector then it shall be used to connect the EUT to LT.

6. Packet Timing Jitter
6.1 Test purpose
To verify that packet timing jitter of EUT shall comply with the conformance requirements.
6.2 Conformance requirement
RFP & PP: 1 s
6.3 Method of measurement
a. The Lower Tester (LT) shall place the EUT in a mode whereby the EUT is positioned in a LT specified slot and RF channel c=5. If so equipped, the handover function in the EUT shall be disabled.
b. Select system simulator for the packet timing jitter test mode described as in TBR 6.
c. Using the sampled results of 2 consecutive frames of the positions of p0 in the slots (time of frame)
d. Repeated 1,000 for the averaging time of frames.
e. The deviation (jitter) of the sampled time of frames and mean of the values measured shall be less than 1 s.
f. Display the results on the screen and print the measurement results.
g. Step b. to f. shall be repeated for RF channels c=2 and 9.
6.4 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex B. The test shall take place at a test site or in a test fixture. If the EUT has an antenna connector then it shall be used to connect the EUT to LT.

7. Reference Timing Accuracy
7.1 Test purpose
To verify that reference timing accuracy of EUT shall comply with the conformance requirements.
7.2 Conformance requirement
Multiple Channel RFP: 5 ppm (nominal temperature)
10 ppm (extreme temperature)
Single Channel RFP: 10 ppm (extreme temperature)
7.3 Method of measurement
a. The Lower Tester (LT) shall place the EUT in a mode whereby the EUT is positioned in a LT specified slot and RF channel c=5. If so equipped, the handover function in the EUT shall be disabled.
b. Select system simulator for the reference timing accuracy test mode described as in TBR 6.
c. A minimum of one duplex bearer shall be setup between the LT and EUT.
d. Using a sample method, measure the time, tlong, between the transmission of 1,000 frames using the same bit in each slot as the point of reference in each frame.
e. Display the results on the screen and print the measurement results.
f. Steps b. to e. shall be repeated for RF channels c=2 and 9.
7.4 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex B. The test shall take place at a test site or in a test fixture. If the EUT has an antenna connector then it shall be used to connect the EUT to LT.

8. Packet Transmission Accuracy
8.1 Test purpose
To verify that packet transmission accuracy of EUT shall comply with the conformance requirements.
8.2 Conformance requirement
PP: 5ms 2 s and 5ms+2 s
8.3 Method of measurement
a. The Lower Tester (LT) shall place the EUT in a mode whereby the EUT is positioned in a LT specified slot and RF channel c=5. If so equipped, the handover function in the EUT shall be disabled.
b. Select system simulator for the packet transmission accuracy test mode described as in TBR 6.
c. A minimum of one duplex bearer shall be setup between the LT and EUT.
d. Sing a sample method, measure the time, tlong, between the transmission of 1,000 frames using the same bit in each slot as the point of reference in each frame.
e. Display the results on the screen and print the measurement results.
f. Step b. to e. shall be repeated for RF channels c=2 and 9.
8.4 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex B. The test shall take place at a test site or in a test fixture. If the EUT has an antenna connector then it shall be used to connect the EUT to LT.

9. Transmission Burst
9.1 Test purpose
To verify that transmission burst of EUT shall comply with the conformance requirements.
9.2 Conformance requirement
a. Transmitter attack time:
The time taken shall less than 10 s for the transmitted power to increase from 25 W to the time of bit p0 of physical packet.
b. Transmitter release time:
The time taken shall less than 10 s from the end of the physical packet, for the transmitted power to decrease to 25 W.
c. Minimum power:
From p0 to the end of the physical packet (p0 to the end of frame), the transmitted power as measured shall be greater than (NTP 1dB)
d. Maximum power:
From 10 after p0 to 10 s after the end of physical packet (p0+10 s to end of frame+10 s), the transmitted power as measured shall be less than (NTP+1dB)
From 10 s before p0 to 10 sec after p0 (p0 10 s to p0+10 s), the transmitted power as measured shall be less than (NTP+4dB), and shall be less than 315mW.
e. Maintenance of transmission after packet end:
The transmitted power as measured shall be maintained greater than (NTP 6dB) for 0.5 s after the end of the physical packet.
f. Transmitter idle power output:
For the time period starting 27 s after the end of the physical packet, and finishing 27 s before the next transmission of data bit p0, the transmitter idle power output shall be less than 20nW.
9.3 Method of measurement
a. The Lower Tester (LT) shall place the EUT in a mode whereby the EUT is positioned in a LT specified slot and RF channel c=5. If so equipped, the handover function in the EUT shall be disabled.
b. Select system simulator for the transmission burst test mode described as in TBR 6.
c. Using a sampling measurement method, capture a representation of the EUT's transmit burst's amplitude and modulation. The measurement bandwidth for RF power shall be 1MHz for the measurement of transmitter idle power and 3MHz for all other.
d. For the array of samples the LT shall calculate the position of bit p0 and the end of the physical packet in each sample to an accuracy of 0.1 s.
e. Steps b. to c. are repeated 60 times with intervals of 1sec or longer.
f. Display the results on the screen and print the measurement results.
g. Steps b. to f. shall be repeated for RF channels c=2 and 9.
9.4 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex B. The test shall take place at a test site or in a test fixture. If the EUT has an antenna connector then it shall be used to connect the EUT to LT.

10. Maximum Transmitter Output Power
10.1 Test purpose
To verify that maximum transmitter output power shall comply with the conformance requirements.
Conformance requirement
The maximum transmitter output power shall be less than 250 mW for both RFP and PP.
10.2 Method of measurement
a. The Lower Tester (LT) shall place the EUT in a mode whereby the EUT is positioned in a LT specified slot and RF channel c=5. If so equipped, the handover function in the EUT shall be disabled.
b. Select system simulator for the maximum transmitter output power test mode described as in TBR 6.
c. The LT shall command the EUT to operate on a single antenna.
d. A test antenna with a good directivity to limit reflections is connected to a calibrated receiver.
e. use the sampling method capture a representation of a physical packet transmitted by the EUT;
f. determine the position of p0 in the physical packet and the end of the physical packet;
g. make a measurement of the received power over the 1 MHz bandwidth centered on the EUT RF channel. This power shall be averaged from the start of bit p0 to the end of the physical packet;
h. the substitution antenna shall replace the EUT's transmitter antenna in the same position and polarization. The frequency of the signal generator shall be adjusted to the EUT's nominal channel frequency on which it was transmitting. The test antenna shall be raised or lowered as necessary to ensure that the maximum signal level is received. The input signal level to the substitution antenna shall be adjusted until an equal related level in the test receiver;
i. Display the results on the screen and print the measurement results.
j. Steps d. to i. shall be repeated for RF channels c=2 and 9.
10.3 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex B. The test shall take place at a test site or in a test fixture. If the EUT has an antenna connector then it shall be used to connect the EUT to LT.

11. Frequency Deviation of RF Carrier Modulation
11.1 Test purpose
To verify that frequency deviation of RF carrier modulation shall comply with the conformance requirements.
11.2 Conformance requirement
EUT's frequency deviation of RF carrier modulation shall be
Part 1: 259KHZ and 403KHz (peak)
Part 2: 202KHZ and 403KHz (peak)
Part 3: 202KHZ and 403KHz (peak)
Part 4: 17KHZ (average)
11.3 Method of measurement
a. The Lower Tester (LT) shall place the EUT in a mode whereby the EUT is positioned in a LT specified slot and RF channel c=5. If so equipped, the handover function in the EUT shall be disabled.
b. Select system simulator for the frequency deviation of RF carrier modulation test mode described as in TBR 6.
c. Part 1 measurement:
(a) The LT shall transmit a packet with a test sequence in the loopback field of the sequence of 0000 1111 0000 1111.
(b) The EUT shall be set in active-locked state for greater than 1sec.
(c) The measurement bandwidth shall be greater than 3MHz. The LT shall calculate the peak frequency deviation, f within each bit period of a single positive or negative deviation in the loopback field of the transmit burst of the EUT, relative to the measured carrier frequency fc.
(d) Steps (a) to (c) shall be repeated for EUT until the following number of measurements have been made:
d. Part 2 measurement:
(a) The test data pattern for the measurement shall be the following table of test packet structure:
(b) The measurement bandwidth shall be greater than 3MHz. The LT shall calculate the peak frequency deviation, f within each bit period of a single positive or negative deviation in the loopback field of the transmit burst of the EUT, relative to the measured carrier frequency fc.
(c) Steps (a) to (c) shall be repeated for EUT until the following number of measurements have been made:
e. Part 3 measurement:
(a) The LT shall transmit a packet with a test sequence in the loopback field of the sequence of 0000 1111 0000 1111.
(b) The measurement bandwidth shall be greater than 3MHz. The LT shall calculate the peak frequency deviation, f within each bit period in the first 16 bits of the synchronization field (preamble) and the loopback field of the transmit burst of the EUT, relative to the measured carrier frequency fc.
(c) Steps (a) to (b) shall be repeated for EUT until the following number of measurements have been made:
f. Part 4 measurement:
(a) The LT shall transmit a packet with a test sequence in the loopback field of the sequence of 0000 1111 0000 1111.
(b) The EUT shall be set in active-locked state for greater than 1sec. The measurement bandwidth shall be greater than 3MHz.
(c) The LT shall calculate the average frequency, fs of the last 14 bits of the first 16 bits of the synchronization field.
(d) The LT shall calculate the average frequency, fl of the last 14 bits of the first 16 bits of the loopback field.
(e) Steps (a) to (e) shall be repeated until 200 measurements have been made. Calculate the mean frequency drift for fl - fs.
g. Display the results on the screen and print the measurement results.
h. Steps b. to g. shall be repeated for RF channels c=2 and 9.
11.4 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex B. The test shall take place at a test site or in a test fixture. If the EUT has an antenna connector then it shall be used to connect the EUT to LT.

12. Unwanted RF Emissions due to Modulation
12.1 Test purpose
To verify that unwanted RF emissions due to modulation shall comply with the conformance requirements.
12.2 Conformance requirement
The unwanted emissions of EUT, as measured, shall not be greater than the power levels stated in table below:
M is the EUT transmit channel:
Y=M 1, emission power 160 W
Y=M 2, emission power 1 W
Y=M 3, emission power 40nW
Y= at any other channel, emission power 20nW
12.3 Method of measurement
a. If the EUT has an external antenna connector then this shall be used to connect the EUT to the LT. Otherwise, the transmitted signal shall be applied to the LT via a coupling device which provides the appropriate signal level to the system. The analyzing system in the LT shall be operated under the following conditions:
Frequency sweep: 1MHz
Resolution bandwidth: 100KHz
Video bandwidth: greater than resolution bandwidth
Peak hold: on
Sweep time: greater than 12secs
Filtering type: synchronously tuned
The total sample time used for measurement is 60% to 80% of the duration of the physical packet, starting before 25% of the slot time has expired but after the transmission of the synchronization word. The LT shall determine the start of the physical packet (bit p0) transmitted by the EUT.
b. The LT shall place the EUT in a mode whereby the EUT is positioned in a LT specified slot and RF channel c=5. If so equipped, the handover function in the EUT shall be disabled.
c. The EUT shall be placed in a test mode whereby it performs the loopback function.
d. Select system simulator for the unwanted RF emissions due to modulation test mode described as in TBR 6. A test modulation signal D-M2 is generated by the LT.
e. Using the analyzing system, a measurement of the EUT's transmitted power on channel M is made during the sampling time. This power measurement shall be called Pref.
f. Using the analyzing system, a measurement of the EUT's transmitted power during the sampling time on channel
M-3 shall be called Prm-3 and recorded in dB as a value relative to Pref.
M-2 shall be called Prm-2 and recorded in dB as a value relative to Pref.
M-1 shall be called Prm-1 and recorded in dB as a value relative to Pref.
M+1 shall be called Prm+1 and recorded in dB as a value relative to Pref.
M+2 shall be called Prm+2 and recorded in dB as a value relative to Pref.
M+3 shall be called Prm+3 and recorded in dB as a value relative to Pref.
g. Using the measured value of normal transmitted power, NTP. The LT shall calculate the power emissions on adjacent channel:
dB (P emissions on channel M-1)= dB (NTPm) + dB ( P rm-1)
h. The values calculated in g. shall be converted from dBm to Watts.
i. Display the results on the screen and print the measurement results.
j. Steps b. to i. shall be repeated for RF channels c=2 and 9.
12.4 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex B. The test shall take place at a test site or in a test fixture. If the EUT has an antenna connector then it shall be used to connect the EUT to LT.

13. Unwanted RF Emissions due to transmitter transients
13.1 Test purpose
To verify that unwanted RF emissions due to transmitter transients shall comply with the conformance requirements.
13.2 Conformance requirement
The unwanted emissions, as measured, shall not be greater than the power levels stated in the following table:
M is the EUT transmit channel:
Y=M 1, emission power 250 W
Y=M 2, emission power 40 W
Y=M 3, emission power 4 W
Y= at any other channel, emission power 1 W
13.3 Method of measurement
a. If the EUT has an external antenna connector then this shall be used to connect the EUT to the LT. Otherwise, the transmitted signal shall be applied to the LT via a coupling device which provides the appropriate signal level to the system. The analyzing system in the LT shall be operated under the following conditions:
Frequency sweep: 1MHz
Resolution bandwidth: 100KHz
Video bandwidth: greater than resolution bandwidth
Peak hold: on
Filtering type: 4 or 5 pole synchronously tuned
The total sample time used for measurement is 60% to 80% of the duration of the physical packet, starting before 25% of the slot time has expired but after the transmission of the synchronization word. The LT shall determine the start of the physical packet (bit p0) transmitted by the EUT.
b. The LT shall place the EUT in a mode whereby the EUT is positioned in a LT specified slot and RF channel c=5. If so equipped, the handover function in the EUT shall be disabled.
c. The EUT shall be placed in a test mode whereby it performs the loopback function.
d. Select system simulator for the unwanted RF emissions due to transmitter transients test mode described as in TBR 6. A test modulation signal D-M2 generated by the LT.
e. Using the analyzing system, a measurement of the EUT's transmitted power on channel M is made during the sampling time. This power measurement shall be called Pref.
f. Using the analyzing system, a measurement of the EUT's transmitted power during the sampling time on channel
M-3 shall be called Prm-3 and recorded in dB as a value relative to Pref.
M-2 shall be called Prm-2 and recorded in dB as a value relative to Pref.
M-1 shall be called Prm-1 and recorded in dB as a value relative to Pref.
M+1 shall be called Prm+1 and recorded in dB as a value relative to Pref.
M+2 shall be called Prm+2 and recorded in dB as a value relative to Pref.
M+3 shall be called Prm+3 and recorded in dB as a value relative to Pref.
g. Using the measured value of normal transmitted power, NTP. The LT shall calculate the power emissions on adjacent channel:
dB (P emissions on channel M-1)= dB (NTPm) + dB ( P rm-1)
h. The values calculated in g. shall be converted from dBm to Watts.
i. Display the results on the screen and print the measurement results.
j. Steps b. to i. shall be repeated for RF channels c=2 and 9.
13.4 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex B. The test shall take place at a test site or in a test fixture. If the EUT has an antenna connector then it shall be used to connect the EUT to LT.

14. Unwanted RF Emissions due to Intermodulation
14.1 Test purpose
To verify that unwanted RF emissions due to intermodulation shall comply with the conformance requirements.
14.2 Conformance requirement
The unwanted emissions due to intermodulation shall not be greater than 1 ?W as measured in the measurement channels.
14.3 Method of measurement
a. If the EUT has an external antenna connector then this shall be used to connect the EUT to the LT. Otherwise, the transmitted signal shall be applied to the LT via a coupling device which provides the appropriate signal level to the system. The analyzing system in the LT shall be operated under the following conditions:
Frequency sweep: 1MHz
Resolution bandwidth: 100KHz
Video bandwidth: greater than resolution bandwidth
Peak hold: on
Sweep time: greater than 12 seconds
Filtering type: synchronously tuned
The total sample time used for measurement is 60% to 80% of the duration of the physical packet, starting before 25% of the slot time has expired but after the transmission of the synchronization word. The LT shall determine the start of the physical packet (bit p0) transmitted by the EUT.
b. The LT shall place the EUT in a mode whereby the EUT is positioned in a LT specified slot and RF channel c=5. If so equipped, the handover function in the EUT shall be disabled.
c. The EUT shall be placed in a test mode whereby it performs the loopback function for both transceivers.
d. Select system simulator for the unwanted RF emissions due to intermodulation test mode described as in TBR 6. A test modulation signal D-M2 is generated by the LT.
e. Using the analyzing system, a measurement of the transmitted powers on channels M = 0 and M = 4 shall be made during the sample time for a transmitter in the EUT. These measurements shall be called Pref0 and Pref4.
f. The EUT shall be placed in a mode whereby two of the transmitters shall be made to operate on the same slot in the frame but on different RF channels. The RF channels shall be M = 1 and M = 3. If so equipped, the handover function in the EUT shall be disabled.
g. Using the analyzing system, a measurement of the power levels on channels c = 0 and c = 4 shall be made during the sample time for a transmitter in the EUT. These power measurements shall be called P m0 and P m4.
h. Display the results on the screen and print the measurement results.
i. Steps b. to h. shall be repeated for RF channels c=2 and 9.
14.4 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex B. The test shall take place at a test site or in a test fixture. If the EUT has an antenna connector then it shall be used to connect the EUT to LT.

15. Spurious Emissions for Allocated Transmit Channel
15.1 Test purpose
To verify that spurious emissions for allocated transmit channel shall comply with the conformance requirements.
15.2 Conformance requirement
The spurious emissions for allocated transmit channel of EUT, as measured, shall not be greater than the power levels stated in the following table:
1GHz (outside broadcast bands): 250nW
Broadcast bands (47~74MHz;
87.5~108 MHz; 108~118 MHz;
174~230 MHz; 470~862 MHz): 20nW
＞1GHz: 1μW
15.3 Method of measurement
a. The test equipment shall be calibrated for the minimum power level by the signal generator.
b. Select system simulator and EUT for the spurious emissions for allocated transmit channel test mode described as in TBR 6 to simulate the EUT in the operating mode.
c. The measurement of the maximum spurious emissions of the RF channels shall be made by a receiving antenna of EUT for horizontal and vertical polarization.
d. The substitution antenna and signal generator shall replace the EUT in the same position and polarization for the EUT's EIRP by the output of signal generator of adjusted RF channels.
e. Repeat step d. for adjusting the RF channel.
15.4 Test requirement
The test conditions are given in Annex A. The measurement arrangement is given in Annex C.