JMA14S-50
1/4” Superflexible Coaxial Cable
1: Jacket 2: Outer conductor 3.Dielectric 4. Inner conductor	Contact technical support: 1-888-201-6073 techsupport@jmawireless.com Download this datasheet

Available options	Length (ft)	Packaging type
JMA14S-50-1000	1,000	Lightweight 22" spool
JMA14S-50-1640	1,640	Lightweight 22" spool

Construction				Associated Connectors
Inner conductor	Material	Copper clad aluminum wire		UXP-DM-14S	UXP-NRA-14S
	Diameter	0.075 in | 1.91 mm		UXP-4MT-14S	UXP-DF-14S
Dielectric	Material	Physically foamed PE		UXP-NM-14S	UXP-4F-14S
	Diameter	0.205 in | 5.21 mm		UXP-2MT-14S-01	UXP-NF-14S
Outer conductor	Material	Helical corrugated copper		UXP-1MT-14S	UXP-4MP-14S
	Diameter	0.255 in | 6.48 mm		UXP-1RT-14S-01	UXP-2RT-14S-01
Jacket	Material	PE, outdoor rated, black		UXP-DRA-14S-01
	Diameter	0.290 in | 7.40 mm		UXP-4RT-14S

Mechanical
Cable weight	0.040 lb/ft | 0.060 kg/m
Single minimum bending radius	0.984 in | 25 mm
Multiple minimum bending radius	0.984 in | 25 mm
Tensile force	153 lb | 680 N
Bending moment	7 lbf·in | 0.8 Nm
Flat plate crush strength	100 lb/in | 1.8 kg/mm
Recommended clamp spacing	3.3 ft | 1 m

Environmental
Storage temperature	-94 °F to +185 °F | -70 °C to +85 °C
Installation temperature	-40 °F to +140 °F | -40 °C to +60 °C
Operation temperature	-67 °F to +185 °F | -55 °C to +85 °C

Electrical properites
Impedance	50 ± 1.0 Ω
Dynamic PIM (dBc)	> -160 minimum
Nominal capacitance, pF/m	79.4
Inductance, mH/m	0.2
Propagation velocity	0.84
DC resistance, IC	3.0 Ω/kft | 9.843 Ω/km
DC resistance, OC	2.2 Ω/kft | 7.216 Ω/km
DC test voltage, kV	1.6
Peak power, kW	6.4
Insulation resistance	≥ 100,000 MΩkm
Screening attenuation, dB	>120
Max operating frequency, GHz	20.4

Frequency (MHz)	VSWR
617-960	≤ -28 (1.083)
1700-2200	≤ -28 (1.083)
2200-2700	≤ -27 (1.094)
3400-4200	≤ -23 (1.152)
5150-5925	≤ -20 (1.222)

Attenuation and average power*
Frequency (MHz)	Nominal attenuation, @ 20 °C (dB/100m)	Power rate @ 40 °C (kW)		Frequency (MHz)	Nominal attenuation, @ 20 °C (dB/100m)	Power rate @ 40 °C (kW)
1	0.595	6.400		3900	37.894	0.177
1.5	0.706	6.400		4000	38.452	0.174
2	0.801	6.400		4100	38.971	0.172
10	1.725	3.970		4200	39.426	0.170
20	2.452	2.800		5000	43.46	0.153
30	3.003	2.280		6000	48.258	0.138
50	4.052	1.760
85	5.238	1.367
88	5.336	1.320
100	5.688	1.230
108	5.921	1.190
150	6.94	1.000
174	7.505	0.929
200	8.018	0.865
204	8.123	0.861
300	9.86	0.701
400	11.383	0.603
450	12.13	0.567
460	12.24	0.561
500	12.763	0.537
512	12.95	0.530
600	14.028	0.488
650	14.632	0.428
700	15.195	0.450
750	15.753	0.435
800	16.725	0.419
824	16.538	0.412
894	17.302	0.395
960	17.93	0.380
1700	24.183	0.279
1794	24.898	0.271
1800	24.97	0.271
2000	26.386	0.256
2100	27.106	0.249
2200	27.753	0.243
2300	28.462	0.237
2500	29.763	0.229
2700	31.025	0.220
3000	32.903	0.204
3400	35.133	0.191
3600	36.309	0.186
3700	36.817	0.183
3800	37.415	0.180

* Note: Attenuation specifications are measured by free space method according to IEC61196.4-204. Maximum attenuation value shall be 105% of the nominal attenuation value.

04/17/25